trimaran vs catamaran vs monohull

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Multihull vs Monohull: Advantages

We get these questions all the time: Are catamarans and trimarans really superior to monohulls? In what ways? Does it matter to me? What are the key differences between catamarans and trimarans? Here are the basics:

Reefing: Sailing catamarans and, to a lesser extent, trimarans too, require vigilance when it comes to reefing. Since they don’t heel much, almost all additional wind force is converted to load on the rig. That’s where the speed comes from. But since the pressure on the sails quadruples as the wind speed doubles, crews must keep an eye on the weather and reef in good time to keep the boat safe and sailing flat. In fact, a properly reefed cat or tri will sail faster too, in freshening breezes. All manufacturers supply written guidelines denoting apparent wind speeds that require additional reefing.

Safety – Unsinkability There are many aspects to safety where catamarans and trimarans shine. Often overlooked is the safety margin introduced with level sailing (see above). It is much easier to keep crew aboard in rough weather when the boat stays level and is pitching less. Large cockpit spaces keep crew well away from the lifelines as well.

The speed of a multihull is another safety factor, as with decent weather information it’s relatively easy to sail around severe weather systems before they can bear down on you. Should something go horribly awry, and the boat get flipped (VERY rare – see below), the lack of ballast, and additional positive flotation, means that nearly every catamaran and trimaran produced in the last few decades will remain on the surface of the water, rightside up or not, until a rescue can be made. Nearly all cruising cats and tris have a substantial amount of reserve buoyancy, in the form of closed-cell foam, stashed in the nooks and crannies of the boat. Because of this, most could literally be cut into pieces and all pieces would still float. This makes fire your biggest safety concern aboard a cat. And the anchor windlass, but that’s a story for another day.

Can my catamaran or trimaran flip over? This is theoretically possible, and has happened in very rare heavy-weather situations when EVERY vessel is in distress. It takes very high winds, too much sail (see reefing, above), and large breaking waves to flip a modern cruising cat or tri. Multihull sailors find it reassuring to know that their cat or tri will remain on the surface, as a big liferaft and spotting target, while ballasted monohulls caught in the same situation are more likely to end up on the bottom of the sea, with their crew bobbing around (if they are lucky) in an inflatable liferaft.

Motoring Performance/Maneuverability Cruising catamarans and trimarans, with their easily driven hull forms and light weight, enjoy excellent fuel efficiency when compared to monohulls, and track very straight. Cats almost always have twin engines, set many feet apart, which allow for tremendous control in tight situations. In fact, the boat can be spun in place or crabbed sideways without any way on. Try that on a monohull. Prop walk is minimal or nonexistent as well, and the redundancy of a second engine is appreciated should a mechanical issue arise underway. Nearly all trimarans have just one engine, so the differences there are slight.

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Catamaran vs. Trimaran: The Differences Explained

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Most boat lovers know the differences between a catamaran and a monohull. But when it comes to differentiating between a catamaran and a trimaran, things can get tricky because it’s not always clear how much difference the extra hull of a trimaran makes in performance, safety, comfort, and handling. If you’re trying to choose between the two, this is a post you’ll want to read before making a decision.

Besides the number of hulls catamarans(two) and trimarans(three) differ in speed, safety, accommodation, helming, and anchoring. Generally, catamarans are more manageable in a marina and provide better accommodation and comfort. Trimarans, on the other hand, are faster and more fun to helm.

In this post, we’ll cover these differences in greater detail to make it easier for you to choose between a catamaran and a trimaran. First, let’s quickly review each multihull type.

Table of Contents

The Lowdown on Catamarans

Informally dubbed a “cat,” a catamaran is a type of multi-hulled sailing craft with two equal-sized parallel hulls. Cats are typically geometry-stabilized, leveraging their wide beams for stability. That’s unlike monohull boats, which use ballasted keels for stability. Catamarans also have a smaller displacement, lower hull volume, and a much shallower draught ( draft ) than similarly sized monohulls.

The earliest forms of catamarans can be traced way back to the 17th century. They were primarily used for fishing by the Pavaras community in Tamil Nadu, who preferred them over other fishing vessels due to the extra balance and stability provided by the twin hulls. Later on, the British adopted the concept of twin-hulled boats and popularized it worldwide.

Modern catamarans are much more sophisticated than their ancestors. They’ve evolved in terms of the usage versatility, construction, and design, giving rise to two primary configurations:

Small-Waterplane-Area Twin Hull (SWATH)
Wave-piercing catamarans

The hulls in a catamaran with a SWATH configuration are typically submerged. That means they’re less affected by ocean waves , which is great for stability when sailing in rough waters. In the recent past, SWATH configurations have been used on research vessels and rescue ships.

Their wave-piercing counterparts, on the other hand, have low-buoyancy bows fitted on the twin hulls. The bows allow the hulls to puncture ocean waves instead of riding over them, making catamarans with such a design faster on rough waters than SWATH cats. In the recent past, wave-piercing cat designs have been used on passenger ferries, military vessels, and yachts.

The Lowdown on Trimarans

Also known as a double-outrigger, a trimaran is a type of multihull boat with one main hull flanked by two smaller “floats” (technically known as outrigger hulls) connected to the larger hull by lateral beams. Such a design makes trimarans incredibly stable, meaning they’re hard to capsize even in the roughest of waters.

The earliest forms of trimarans can be traced to the Austronesian people and are still the most common hull design you’ll find on traditional fishing boats in Maritime Southeast Asia. The majority of today’s double outriggers are yachts meant for racing and recreation, but some warships and ferries have this design.

The Differences Between Catamarans and Trimarans

The most apparent physical distinction between a catamaran and a trimaran is that it has three hulls instead of two.

But other than that, are there other differences between the two vessel types you need to know? Do those differences make one type better than the other?

To find out, let’s compare the two types of multihulls based on the following merits:

Comfort and Accommodation

A Cat’s geometry is ideal for comfort and accommodation. The two load-bearing hulls provide additional habitable space, and you can always create a sizable nacelle between them. Connected to this central living space is a large cockpit, and there are cabins on either end of the hulls. This arrangement is perfect when you’re looking to relax a bit as the party rages on in the saloon because it gives you a bit of privacy.

And with flybridges virtually standard on modern catamarans, you have extra space for entertainment and lounging. The deck area is safe for kids, and the fact that catamarans don’t heel much means that you can do things like cooking at ease. Also worth mentioning is that cats can carry a decent load, meaning you can stock up on food and gear when going away for an extended period.

While trimarans do provide a decent degree of livability, they fall short of catamarans in two regards. First, they heel more than cats, making it difficult to do things like cooking on board. Second, they support much less load than catamarans. To put things into perspective, some 45 feet (14 meters). Cats can carry nearly three tons of payloads, whereas similarly sized trimarans can barely support half that load.

Overall, catamarans provide better, more comfortable accommodation than trimarans.

One of the main concerns when choosing any water vessel is how easy it’ll capsize in the event of a storm. If you’re looking to spend more than just a couple of hours on the water, you want to sail on something that won’t capsize/sink easily because sea conditions can sometimes fluctuate within a short period.

When it comes to safety, three hulls are better than two. Having one main hull and two overhangs on each side makes a trimaran more stable because of two reasons. First, the side overhangs widen the beam of the vessel, which minimizes the chances of the boat flipping over when hit by a large breaking wave from the side. Second, trimarans are typically designed with the weight centered on the main hull, further enhancing stability.

Multihull stability is a complex topic and should be understood in detail if you want to stay safe at sea!

Why do catamarans capsize?

On the rare occasion that a trimaran flips over, it’ll stay afloat. That means if the worst happens, a capsized trimaran will turn into a potential life-saving raft that’s easier to spot from a helicopter. That’s because almost all trimarans designed in the last decade or so come with closed-cell foam distributed throughout the various parts of the boat to provide reserve buoyancy.

Thanks to this kind of construction, you could cut most trimarans into pieces, and each would still stay afloat.

While catamarans are typically more stable than monohulls, they’re no match for a trimaran in this regard. Hypothetically speaking, it would be easier to tip over a catamaran than a trimaran if both boat types were subjected to equal magnitude storms. That, however, doesn’t mean that catamarans aren’t safe. They’re still harder to flip over than monohulls and will stay afloat when that happens because they come with the same closed-cell foam found in a trimaran.

While on the subject of safety, it’s worth mentioning that trimarans require less vigilance as far as reefing is concerned . Since catamarans heel less, most of the extra wind force translates to more “push” on the rig, increasing speed. But because the pressure exerted on the sail nearly quadruples when the wind speed doubles, you need to be extremely careful when timing your reef to keep a cat sailing flat.

The same goes for reefing a trimaran, except that the slight heel gives you more room for error in terms of the timing.

Most people who’ve ever steered both a trimaran and catamaran will agree that the former is more fun to sail. Most light trimarans, especially tiller-steered ones, have a terrific response to the helm. They have a slight heel that somewhat feels like a monohull, but the angle is a bit limited.

A catamaran is stable, but it doesn’t heel. While heeling may be frowned upon by people who prioritize comfort and accommodation in a boat, it’s one of the most exciting parts of sailing. With three hulls to ensure stability, trimarans combine the heel of a monohull with a catamaran’s stability to deliver the best sailing elements of monohulls and multihulls in a single package.

Considering that trimarans are more stable, you may be better off with one if you’re looking to have some fun as you perfect your helming skills.

Speed is another area where trimarans outperform their twin-hulled counterparts. Typically lighter than catamarans, trimarans need less sail distance to hit double-digit speed averages. A trimaran can maintain a formidable course up-wind when fitted with centerboards/daggerboards (as is often the case for modern models).

While a catamaran is still faster than a monohull of identical size, it falls short of the trimaran in terms of sheer speed. Understand that this doesn’t make catamarans slow boats; it’s just that tris are typically designed with more emphasis on performance.

Why are Trimarans Faster Than Catamarans?

Trimarans are easier to anchor than catamarans because they allow you to keep the ground tackle in and deploy it from the main hull.

However, catamarans are more maneuverable and manageable in a marina. They also handle docking lines more conveniently.

Catamarans vs. Trimaran: The Verdict

In summary, here’s what the differences between a cat and tri mean for anyone trying to choose between the two: A catamaran is a better choice if you’re looking to accommodate many people on board for something like a party because it’s more spacious and comfortable than a trimaran. On the other hand, a trimaran is an ideal choice for speed junkies and individuals looking to push their sailing skills to the next level on every stable platform.

Hopefully, that has cleared the air and made it easier for you to pick a more suitable option for your sailing needs.

ResearchGate: A comparison of the motions of trimarans, catamarans and monohulls | Request PDF
Why are trimarans faster than catamarans?

Owner of CatamaranFreedom.com. A minimalist that has lived in a caravan in Sweden, 35ft Monohull in the Bahamas, and right now in his self-built Van. He just started the next adventure, to circumnavigate the world on a Catamaran!

Trimaran vs. Catamaran: What are the Differences?

Experience the thrill of sailing on a multihull – a boat with two or three hulls. Discover the unique features of the trimaran and the catamaran , and how they differ in performance and comfort. Want speed and excitement? Take the helm of a trimaran. Prefer a leisurely cruise? Relax on a catamaran. Don’t miss out on this exciting article uncovering the secrets of multihull sailing.

How to recognize a trimaran from a catamaran?

First up, the catamaran. Simple, sleek, and stylish, this craft boasts not one, but two identical hulls – making it a twin amongst ships. Its minimalist design is a thing of beauty, and it might just be the perfect float for solo explorers or couples seeking a romantic ocean adventure.

On the other hand, the trimaran is a multihull masterclass in innovation. With a total of three hulls, including two small outriggers, this vessel’s design is unlike anything you’ve seen before. In fact, some have compared it to a spaceship, and we can see why! The trimaran’s unique layout and engineering wizardry make it a worthy addition to any seafarer’s fleet.

So, whether you’re a catamaran connoisseur or a trimaran trailblazer, there’s no denying that these vessels are truly remarkable. Just don’t ask us to choose a favourite!

What are the trimaran main characteristics?

A trimaran’s three hulls are like the training wheels on a bicycle, making it incredibly stable even in choppy waters. These recreational boats are a sailor’s dream, offering a smooth ride and exceptional comfort. And when it comes to safety, trimarans are virtually unsinkable due to their triple-hull design – even the roughest storms won’t capsize them! Although compromising some sailing capacity, the security and stability of a trimaran are unmatched.

All about Neel trimaran here

What are the catamaran main characteristics?

Discover the one-of-a-kind world of catamarans – versatile vessels affectionately nicknamed “cats”. Offering an exciting and luxurious sailing experience, these boats come in a range of sizes, from cozy two-person cabins to expansive group accommodation for up to 20. Some catamarans are budget-friendly options perfect for families, while others provide the ultimate indulgence and can transport you to some of the most coveted destinations in the Caribbean and Mediterranean. With their roomy interiors and stable design, catamarans are perfect for exploring calm sea gulfs, lagoons or shallow waters.

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Trimaran vs. Catamaran: which one has the largest surface area?

Catarmarans surface area is known to be spacious

Catamarans have filled the world’s oceans in recent years with more huge and luxury versions, including sailing catamarans like the Lagoon Seventy 7, Fountaine Pajot’s Allegria 67, and motor catamarans like the Sunreef Power 70. The biggest catamaran known is Hemisphere, and you may want to have a look at Douce France available for charter with WI.

Catamarans are well-known for their large living quarters, which are divided between the two hulls and the central platform.

Trimarans surface area are constantly improving

Among some of the cruising, habitable trimarans, the DragonFly boasts a unique Swing Wing system and a plush interior, while the Vietnamese-made Rapido Trimaran is the brainchild of the esteemed Morrelli & Melvin design house. But what really sets the Naval NEEL shipyard trimarans apart is the incredible “Cockloon” living area above the central hull – it’s like staying in a floating hotel! With cabins located solely on the floats, the central kitchen, panoramic saloon, and lounging areas are all linked together for an unbeatable sense of space and luxury. And don’t forget the expansive flybridge, too!

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Trimaran vs. Catamaran: Stability and Performance

The Trimaran stability made it famous

With three hulls, including one main and two overhanging, a trimaran is built for stability even in the roughest waters. In fact, it’s nearly impossible for a trimaran to capsize, making it a safer option for the adventurous seafarer. And if by some chance or circumstance the boat does flip, fear not – it’ll stay afloat! The only downside? The trimaran provides both the comfort of a monohull and the safety of a multihull, but hey, no boat is perfect. Did we mention it’s also one of the fastest boats out there? Sounds like a win-win to us.

The Catamaran performances aren’t as versatile as trimaran

Catamarans are incredible vessels that offer not only a smooth sailing experience, but also a comfortable ride. Ranging in size from cozy cabins for two to massive ships that can fit 20, catamarans are top-notch for stability. However, they aren’t particularly cut out for rough seas, preferring calm waters like tranquil gulfs and shallow lagoons. Keep in mind that while they may not excel in upwind sailing and lack the heeling abilities of other boats, catamarans will still take you on a sailing adventure like no other.

Trimaran vs. Catamaran: Distinct Sailing Experiences

Sailboats rely on wind speed to move forward, but stability is crucial to avoid capsizing. Monohulls have a keel underneath to prevent this, making them more durable in heavy winds. Meanwhile, multihulls such as catamarans offer greater stability with their floats, resulting in a smoother ride even in rough seas. However, trimarans are more similar to monohulls and may tip more, offering advantages in rougher waters but less comfort on calm days. Overall, multihulls have an edge in stability compared to their monohull counterparts.

Trimaran vs. Catamaran: Safety

Trimarans are very safe boats.

You might be surprised to find out that Trimarans are extremely safe; in fact, many trimarans, are almost unsinkable. They have a core made up of foam, and the materials’ buoyancy is extremely high in comparison to the boat’s displacement. Trimarans are safe because of their breadth. The trimaran is the safest of the multihulls because of its three-hulled design, weight centering, and complete anti-drift scheme.

Moreover, even if the trimaran were to overturn, the structure would keep it from plummeting into the water, making it an extremely safe boat.

Catamarans safety is still very good

Catamarans are a safe way to travel the ocean. Offshore, catamarans are often far safer than monohulls of similar size. Enhanced resilience, speed, steadiness, and motion ease due to a lack of ballast all contribute to safety.

A large modern catamaran has an outstanding resilience and roll inertia. The mix of these factors makes invasion or capsizing extremely unlikely. When a 20-foot wave hits a catarmaran’s beam, the boat will just surf sideways.

Trimaran vs. Catamaran: Racing

Catamarans are very fast downwind

Catamarans are recognized for their velocity, and some of them are capable of breaking world sailing records. Catamarans may travel at a pace of 15 to 30 mph, with the best reaching speeds of well over 60 knots.

Cruising catamarans may reach high speeds of 15 knots, or 17.3 mph, on average (27.84 kph). In the right wind conditions; however, some outstanding racing catamarans can reach a pace of up to 30 knots.

On downwind runs, reaches, and broad reaches, catamarans are typically quicker than trimarans. Sailing a catamaran is less exhausting than sailing a trimaran. Sailing flat has a number of benefits. Carrying tanks and other diving equipment is significantly simpler on a cat if you are a SCUBA diver.

Catamarans are lighter than trimarans because they do not require a heavy keel. This, along with the fact that their sails are placed equivalent to the wind, allows them to sail quicker than trimarans, particularly on a run or broad reach.

Trimarans are the usual racing winner

Trimarans are frequently preferred in racing these days, especially in the previous decade or so.

For long offshore races, racing trimarans’ speed and safety qualities have significant benefits. Even in severe seas, they can be pushed harder and are more forgiving than other racing catamarans. These are the primary reasons why trimarans have become so popular in recent multihull competitions. Trimarans, for example, have won the Jules Verne Trophy every year since 2010.

Trimarans can often increase their monohull sailing speed on almost every point of sail while cruising catamarans are usually 25-30 percent faster than a sailing monohull of the same length. Of course, when the boats are filled for cruising, these comparisons vary drastically.

A trimaran is more suited to sail upwind than a catamaran, which is more vulnerable to drifting. Trimarans are; therefore, quicker than catamarans, and this benefit is especially noticeable when cruising against the wind due to the weight centering in the middle hull, which lowers pitching.

The third hull really makes trimarans considerably quicker than any other hull form at a given extent based on the relation between a boat’s waterline length and speed i.e. that more hull distance in the water leads to higher speeds.

Which is Better: A Trimaran or a Catamaran?

If you want to spend less time on deck, a catamaran is a great option. Catamarans are also ideal for hosting gatherings and parties while maintaining their stability on the water.

A trimaran is a more ideal boat for you if you want to develop your sailing talents on something more difficult. Moreover, if you’re a speed demon, keep an eye out for the fastest trimaran boats and pick the one that best meets your needs.

While picking between a catamaran and a trimaran appears simple on paper, it becomes more challenging when you see them in front of you. Check out our page for more details in order to make a more informed decision.

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Catamaran vs. Monohull: We Changed, Should You?

There are two schools of thought when it comes to monohull versus catamaran . We have done extensive cruising and lived aboard two monohulls and four catamarans over the past 25+ years . We experienced the good and the bad for both single hull and multihulls first hand. Quite honestly, the pluses for catamarans far outweigh the minuses. There are multiple benefits of catamarans. They are faster, more stable and spacious, and have shallower drafts allowing safer anchorage closer to shore. Being on a stable platform with no heeling cuts down on crew fatigue and seasickness leaving the crew more alert and in control of the vessel. Even novice sailors feel more confident on catamarans.

When we built our monohull Royal Salute in the early 90s, catamarans were not established and were looked upon with extreme suspicion by most cruisers, including ourselves. “Safety and the capsize” issue were always the first things to come up against sailing catamarans. It is a fact that monohulls can get rolled in heavy seas but will right themselves because of the heavy lead keel, and while crew and vessel will be battered, the roll is survivable.

However a catamaran once capsized, will remain upside down (jokingly referring to this state of the catamaran as “reaching its most stable position when upside down”). The inability of a catamaran to self-right was and still is a major bone of contention. However, what is not often discussed is that a monohull has about a 5,000 pound keel of lead that is constantly trying to drag the boat to the bottom of the ocean versus a catamaran that has no ballast and is in most cases with modern catamarans, unsinkable.

So the options are to either sail the world on a boat that, if it springs a leak, will sink like a stone or a vessel that cannot self-right in the event of a capsize but will not sink no matter what. So from a practical point of view, here are our observations over the last 25+ years of living aboard, on the advantages and disadvantages of a catamaran.

ADVANTAGES OF A CATAMARAN

1. speed equals safety.

The speed of a catamaran makes it possible to outrun bad weather. While catamarans do not point as high into the wind as a monohull (or if it does, it makes more leeway or slides sideways), it is about 20% faster than a monohull. This means that even if you sail upwind at a slightly wider angle to the wind than a monohull and have to cover more distance, you will still arrive at your destination long before a monohull.

A modern performance catamaran with daggerboards and good quality sails will point as high as a similar sized monohull. It will point the same as a comparable monohull and sail much faster and therefore arrive at an upwind position much sooner than a the monohull. It is important to note that most of the production catamarans on the market are under-powered and are equipped with standard smaller sails. In lighter breezes many of these designs perform poorly unless fitted with bigger headsails, a Code Zero and a square-top mainsail.

While we believe that more comfortable and safer in rough weather , we have to concede that when the weather gets really bad (60 knots of wind or more) we would personally prefer to be on a monohull from the standpoint of surviving. I would say that a monohull is preferable for serious offshore single-handed sailing because you can more easily hove-to in a monohull. We have been in some extreme weather on a number of catamarans and never really felt that we were in danger, although it takes some nifty seamanship.

A monohull could capsize in extreme weather or even roll in a storm, but they generally come back upright. A catamaran on the other hand, will not right itself. But the cat will generally stay afloat, offering a good place to survive while you wait out the storm or until help comes along. Well-designed modern catamarans are very hard to capsize though.

Having said all that, most catamarans can do 200 to 250 miles a day and with modern technology allowing one to pull down weather at will, there is no good reason why you should get caught in extreme weather. A faster boat is a safer boat as it will in many cases be able to outrun bad weather. With good weather routing information a catamaran can avoid most serious weather and, at worst, place itself in the most favorable position to avoid the brunt of a storm.

2. A Catamaran is a Stable, Safe Platform Underway

Catamarans have no ballast in the keels like monohulls do and therefor it relies on beam and buoyancy for stability. Typically cruising catamarans will have a beam to length ratio of roughly 50%, although many designs nowadays exceed the 50% rule of thumb. So, a 45-ft long catamaran will be about 22-ft wide, providing a very stable platform when sailing. Unlike catamarans, monohulls cannot overcome the rolling and pitching with their narrow beam and the lead ballast for stability.

This rolling and pitching makes the deck on a monohull very unsafe whereas on walking around on the deck of a catamaran while underway is far easier since the boat is much more stable, and it doesn’t heel. This makes sail changes and reefing much easier and a lot safer for the crew. Without the rolling and pitching motion, the danger of falling overboard on a catamaran is considerably less than on a monohull.

3. Crew Fatigue Reduces on a Catamaran

Because a catamaran does not heel over like a monohull, it offers far more comfort underway because the motion is mostly fore and aft pitching and very little beam-to-beam rolling. On all points of sail, a catamaran tracks upright and significantly reduces crew fatigue and seasickness. Seasickness is usually caused by things like anxiety, fatigue, hunger and cold, which all add to a sense of disorientation. This leads the crew to making bad decisions and seamanship errors that could be fatal to the crew and vessel. The more stable platform of the catamaran will hugely keep those issues at bay, making the crew more alert and energized.

Every action and chore including cooking is much easier on a catamaran when underway. It is much more pleasant to be on the deck level looking out rather than being stuck “down below.” It is also much nicer to sleep on a boat that doesn’t heel. I remember nights at sea in our monohull when I was rolling around in my bunk unless I was properly wedge in a little corner. That is simply not the case on catamarans.

All these factors ensure that your crew will not expend unnecessary energy to simply try and stay upright, onboard and safe on a long passage. Your crew on a catamaran will be well rested and alert and will be able to function well if a stressful situation arises.

4. Comfort at Anchor

Catamarans provide a wide platform and therefore offer lovely spaces to relax at anchor without the rolling motion that monohulls have a tendency to do in a swell. During our 15 years of cruising on a monohull, we have often had to leave anchorages that we really were not finished exploring because of a rolly, uncomfortable anchorage. Big rollers or swells coming into an anchorage can make conditions in an anchorage very uncomfortable and unsafe.

We were anchored off Funchal on the island of Madeira in our monohull Royal Salute once, when we were forced to leave our anchorage. The rolling became so bad, we were rolling from gunnel to gunnel. The anchorage became untenable to remain anchored, forcing us to go out to sea in foul weather in the middle of the night. This is an extreme case but believe me, we have left many an idyllic anchorage because of a rolling swell into the anchorage. Catamarans, on the other hand, do not roll from like monohulls have a tendency to do and are far more comfortable at anchor.

5. Anchor Bridal Setup

Catamarans are fitted with a bridle, attached to both bows and down to the anchor chain, resulting in a very stable position at anchor. What we found with our monohull was that because the bow acts as a sail (because of the high freeboard), the boat tended to sail at anchor in high winds. It sailed in one direction until the chain snatched and tacked over and sailed in the other direction, feeling like it might dislodge the anchor altogether. The catamaran on the other hand sits at anchor a lot more stable and doesn’t sail around as much.

6. Ease of Boarding on a Catamaran

Thank goodness we were much younger and more agile during our monohull days. Royal Salute and most monohulls of her generation or older, have high free-boards, making it quite a feat to get onto the boat from the dinghy. It was one of the most challenging things to do because unlike the more modern monohulls that have a scoop at the back, we had to climb up on the side of the boat to get on and off. We, of course rigged steps, etc. but it was always a hassle compared to the ease of getting on and off a catamaran from a dingy or from the water.

7. Shallow Draft Equals Better Anchorages

Catamarans have significantly shallower drafts than monohulls, allowing for safer anchorages closer to shore. Most catamarans in the 40-ft to 50-ft range draw between 3-ft to 4.5-ft, so they can anchor in places that a monohulls can not even consider. In the shallow waters of the Bahamas for example, the catamarans have a big advantage. We often anchor our own catamaran just a few feet away from a beach. It definitely allows one to be able to explore areas where the water is shallow without the fear of running aground.

The shallow draft also allows for emergency repairs in shallow water and even doing the bottom job when the tide goes out as we have done in places like Mtwapa Creek in Kenya, East Africa. The catamaran easily rests on her keels on the sand without help making it a breeze to do the “annual haul out” even in remote locations.

8. Dinghy Davits & Dinghy Size

All catamarans have a set of davits that make it very easy to raise and lower the dingy. Our monohull and most cruising monohulls do not have an efficient or easily accessible set of davits. This makes raising and lowering the dingy an elaborate production. Catamarans on the other hand, has davits systems easily accessible and some even have platforms to rest the dinghy on.

The lack of beam and difficulty of lifting the dinghy also limits the size and type of dingy that one can reasonably carry on a monohull. As we all know, the dingy is your transport to and from shore and diving or fishing spots, so the bigger and faster the dingy, the better off you are. A catamaran can carry both a heavier and bigger dinghy which makes the popular center consul dinghy so much more possible.

9. Interior Space and Comfort on a Catamaran

We sailed 32,000 NM on our 45-ft monohull, happy as clams, not realizing that sailing does not have to be done lying on your ear 24/7 while on passage or sitting knee-to-knee in the cockpit at anchor with your two other guests at the dinner table! One can liken sitting in a monohull cockpit to sitting in an empty Jacuzzi, you are always nice and close to the other folks.

Now that we are on our fourth catamaran, there are a few things that have become more evident to us than the incredible space and comfort of a catamaran, not only at anchor but also underway. The cockpit and living space in general are huge compared to a monohull, making for very comfortable and spacious living conditions. It feels more like you are at home, rather than just on a camping trip.

Knowing that one spends at least 90% of one’s cruising life at anchor, it’s important to have good open living space, which most modern cats nowadays offer. A lot of cats have walk around beds, lots of storage, every modern appliance including washer/dryer, etc. However, one has to fight the urge to fill the space if you want to keep the cat light and fast.

Sailing with guests onboard for extended periods of time, in close quarters can become claustrophobic but on a catamaran people are spread out and separated. With guests sleeping in one hull and the owners in another, catamarans offer much more privacy and separation. Some cats even have privacy doors that will close off the entire hull and has a separate entrance onto the deck, which really separates you from the guests completely.

There is very little heeling on a catamaran, so there is no need for hand grips and safety harnesses inside the boat. There is nothing better (and safer) than being able to walk from the cockpit into the living room (saloon) on one level or one step down at most. In a monohull, when heeling at a severe angle, you would have to claw your way from the companionway steps down to the living area, while fighting to stay upright, significantly tapping your energy.

Unless you hit extreme conditions, everything stays put on a catamaran reducing the anxiety before doing passages of having to stow and secure everything. This very issue makes a lot of cruisers reluctant to weigh anchor and explore more often. It is just too much effort to pack away all your stuff once comfortable in an anchorage!

One thing you will notice is that the stove on catamarans are not gimbaled like it is on monohulls and this should tell the story in itself. The stability and comfort on a catamaran is far superior. Cooking is easy and safer. I often open a nice cold beer, put it down to do something and forget about it only to find a warm beer later in the same place I left it. This is not something that happens on a monohull.

10. Redundancy on a Catamaran

Unlike monohulls, catamarans have a lot of critical redundancies. That of course means two hulls to clean and anti-foul, double the engine maintenance, etc. but having two of the critical equipment like engines for instance, outweighs the downside.

With two engines, if one fails you still have adequate propulsion to go anywhere. If by some fluke the second engine also fails, you have a full set of spares to fix at least one of them. Our friends once hit a sleeping whale off Tanzania, and when it dove, it hit the prop, bending it. They limped into the narrow channel on the one engine but at least they could make it to a safe harbor where we surveyed and repaired their damage.

We often only use one engine when motoring while making passage in order to conserve our fuel. The one engine is totally capable of moving the boat along at a good speed unless you are in heavy seas and you may need more power. Other than that we only use two engines to dock or maneuver the boat in close quarters.

Because there are two engines there are also two independent charging systems via the alternator on each engine. If one alternator goes out, there is still another complete charging system. There are two rudders and if one fails or falls off (as has happened to our friends on a monohull off Columbia, where they almost lost their boat) you have a second rudder that is completely capable of steering the boat by itself indefinitely. That holds true for several things on a catamaran!

11. Maneuverability

The engines are spaced far apart on a catamaran and it makes maneuvering much easier and more precise than monohulls, unless the monohull has a bow thruster. We did not have a bow thruster (not many monohulls do) and had to rely on prop-walk and using prop wash on the rudder. A modern catamaran can do a 360 turn on her own axis. A monohull cannot do this and have a bigger turning circle. However, a monohull under sail is much more maneuverable and certainly will tack a lot faster than a catamaran. The ease in maneuverability under engine on a catamaran in close quarters specifically, is vastly superior comparatively.

12. Rigging

Because of the beam on a catamaran the spinnaker pole has become unnecessary equipment. Hallelujah, I say. That pole on our monohull was a pain the behind and I always hated having to use it. On a catamaran, one can fly an asymmetrical cruising chute or spinnaker, using the bows to tack the clew or run a guy through a block so it is very much simplified, easier and safer.We also sail wing-on-wing with twin headsails when we sail downwind. We use our furling jib and furling Code Zero. It is as easy as one, two, three.

DISADVANTAGES OF A CATAMARAN

1. bridgedeck slamming.

One advantage most monohulls do have when underway is that they don’t slam. Catamarans with a low bridgedeck clearance can experience significant slamming in confused seas sailing upwind. This slamming can be quite disconcerting when you first experience it as we did on a Shuttleworth 44 design, our first ever catamaran experience, 20+ years ago. At times, it felt as though the boat was falling apart. Of course the boat was fine but nevertheless, the stress on the crew from the constant noise and discomfort was significant.

Monohulls don’t have a bridgedeck which means no slamming and are therefore a bit more comfortable than l ow bridgedeck catamarans when beating into severe confused conditions or “washing machine” conditions as we call it. Modern catamarans mostly have better bridgedeck clearance and the slamming is significantly less. However, not all cats have a good clear tunnel under the bridgedeck. Some manufacturers build beds into the bridge deck in order to make more space in the chest of the catamaran where the slamming occurs. These protuberances into the bridgedeck tunnel will likely increase slamming. So be mindful of that when selecting a catamaran. We currently own a Bali 5.4 and the bridgedeck clearance on this boat is more than adequate and the tunnel is clear. We therefor experience very little slamming compared to our Prout 45 that we previously owned (picture of sister ship below) with a much lower bridgedeck.

We Explain Bridgedeck Clearance

In the pictures below, the Bali 5.4 has very good clearance from the water to the bridgedeck and has a nice clean tunnel versus the very low bridgedeck of the Sunreef 50.

2. Sailing Downwind

Monohull spreaders are set at 90 degrees to the mast whereas a catamaran has to have backswept spreaders. The reason is that, on a monohull, there is a backstay and using this, plus the intermediates you can get a nice pre-bend in the mast (the pre-bend is to flatten out the main sail and allow for better performance).

On a catamaran with no back stay, you need to use the back swept spreaders and the diamonds to pre-bend the mast. The reason I point this out is because on a catamaran, if you want to broad reach or run, the mainsail cannot be let out all the way because the backswept spreader tips could punch holes in the fabric.

On a monohull, the spreaders are at 90 degrees so you can let the main and the boom out much further which is, of course, much more effective. This is one of the reasons it is better to broad reach and tack downwind on a catamaran.

Whether a monohull or multihull, sailing dead downwind doesn’t usually make great VMG. Therefor a regular cruising cat, much like a monohull, needs a lot of sail area and has to sail deep downwind if it is to achieve a decent speed made good (VMG). This video demonstrates how we achieve this by sailing wing-on-wing downwind.

It is more difficult to find a dock either as a transient or a permanent slip for a catamaran in general because of the wide beam. But this is changing fast and will soon not be too much of an issue. In the USA dockage is charged by the length of the boat in feet, so there is no disadvantage there but, in some places, (the Mediterranean for example), dockage is charged at length times one and a half because of the additional beam.

Since the catamaran is stable at anchor, we mostly anchor out. We have more privacy, a better breeze and usually a stunning view.We have a nice dinghy with a good outboard engine and is big and comfortable enough to get to shore fast and together with the modern conveniences like the generator, watermaker and washer/dryer, docking becomes a non-issue.

It is definitely more difficult to find a travel lift with enough beam for a catamaran for a haulout, while, for a monohull, there are absolutely no problems anywhere. The wide beam of cats also greatly limits the number of shipyards that can haul them out. Most catamarans over 40-ft must be hauled out with a 50-ton travel lift. This not only increases the cost of the haulout, but greatly limits the choice of the shipyards for repairs and maintenance. With limited choice, prices are high for shipyard services.

Catamarans do tend to have a lot more windage than monohulls. This can be an issue especially when maneuvering in close quarters with a strong wind. But I have found that, provided the engines are powerful enough for the size of catamaran, that twin engines negate this problem. Also, many modern large catamarans now have a bow thruster fitted. It is super easy to dock.

The cost of getting into a catamaran is much higher than that of monohulls. That could put a serious dent in your cruising kitty or require you to put your dream on hold a little longer. Pre-owned monohulls on the other hand are very cheap to buy comparatively, because the supply presently far outweighs the demand.

Catamarans are in high demand and they typically hold their value much better and longer and the trend is now heavily in favor of the catamaran market. When prospective buyers contact us for catamarans under $250,000 the choices are very limited and catamarans under $100,000 is near impossible to buy. In this case, your best bet is to go with a monohull unless you go with much older boats like the Prouts or the less expensive Geminis.

Our Own Catamarans & Monohulls

FYI: Royal Salute , a Bruce Roberts 45 monohull, was the first boat we owned and sailed approx. 30,000NM on. Mythral, a Seafarer 30, was our “toy boat” while we were waiting for our catamaran to be built. Even though this classic little monohull sailed around the world, it didn’t have much in modern conveniences like running water. Siyaya was an Island Spirit 40 catamaran that we sailed from Cape Town to Florida on and then taught live-aboard sailing classes for several years. Zuri I was a Prout 45, a beautifully crafted catamaran but by today’s standards is considered old technology. Our Lagoon 450 SporTop ( Zuri II ) is a fantastic live-aboard catamaran. We lived and taught aboard her for three years but sold her last year and we currently own a Bali 5.4 ( Zuri III or Z3 as we call her now). Read about our various boats .

CONCLUSION: CATAMARAN vs MONOHULL

We were dyed in the wool monohull sailors for 15+ years. We loved the pretty lines of monohulls, the sailing ability and what we believed at the time to be much safer vessels. However, now that we have been avid catamaran enthusiasts, we simply can never go back to monohulls. Catamarans have come of age and with modern technology have overcome most objections that sailors of old had against them. They are well designed and built, are safe, and we simply love that they sail fast and upright. There is not a whole lot to dislike about a catamaran when you live aboard. We have weighed all the pros and cons of catamarans and found that the pros far exceed the cons. We made the change to a catamaran and do not regret it one bit!

We hope that this article will clear things up for all the prospective catamaran owners out there.

Contact us if you have any questions regarding catamarans, Fractional Yacht Ownership or our Charter Management Programs .

Estelle Cockcroft

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4 thoughts on “Catamaran vs. Monohull: We Changed, Should You?”

I read that the engineering on the catamarans were improved over the years. Whats the oldest year would you recommend designwise?

Scott, my apologies for the late reply. We’ve been traveling in Africa. Anyway, catamarans have come a long way and improvements in technology is happening at lightning speed. I reckon that even the older model catamarans are good. It depends on what your needs are. If you want something a little better performance wise, I would go for something no older than 15 years.

After buying a catamaran what is the difference in expense of a catamaran vs a monohull. Many articles state that not only the initial cost of a catamaran is more it the operating cost as well.

Hi Todd, it is more expensive. The annual dockage and haul out as well as maintenance will be more expensive. You obviously have two engines to maintain and various other pieces of equipment to service in both hulls. While there is more equipment there is also more redundancy and of course you have the comfort factor. So, depending on your situation, it’s probably worth it.

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Catamaran vs Monohull: Pros, Cons & Main Differences

By: B.J. Porter Editor

The choice of catamaran vs monohull ultimately comes down to preference. What’s critical for one buyer may mean little to another. If your partner refuses to set foot on a boat which heels, that’s a deal-breaker for a monohull. But if you’re passionate about classic looks and styling, your quest for beauty may override other considerations and rule out catamarans.

We can’t tell you whether a catamaran or a monohull is right for you. But we can help you with the pros and cons of each for your search.

The Strengths and Pros

No matter your choice of monohull or catamaran, there are safe, comfortable, and excellent sailing boats of both types. Neither has an exclusive lock on any strength, and both sail safely and comfortably. But there’s a different emphasis on how they do it. No matter what you are trying to do – sail fast, cruise the world, or just host a crowd at the dock, there are monohulls and catamarans that can work for any requirement.

Catamaran advantages

Space and comfort: Two hulls and a wide beam make a very stable platform with lots of volume in the saloon and cockpit. Most living space is above the waterline, with wonderful light and airflow. Cabins in the hulls offer better privacy and isolation, usually with standing headroom.

Straight line speed: Most catamarans are faster in straight-line sailing speed (1) that similar sized or even longer monohulls. Without a lead keel, they’re lighter, so more driving force from the sails converts to speed, and narrower hull forms may have less drag than wide hulls with deep keels. Some heavier cruising catamarans may not be faster, especially if they keep rig size small for ease of handling.

Stability : The beam of two hulls with a bridge deck leads to much higher stability and resistance to roll (2). Waves in an anchorage that induce violent roll in a monohull may make a catamaran bounce or bob. Under sail, catamarans do not heel appreciably even when powered up.

Twin engines. : With one engine in forward and balanced in reverse, most catamarans can spin in a circle in place and make sharp adjustments to the boat’s direction. If you have an engine failure, you also have a second engine, giving a safety edge when you can’t sail.

Monohull advantages

Upwind sailing performance: While catamarans have the edge at straight-line speed, monohulls sail closer to the wind. When you’re racing or you have to sail upwind to get to the next island, this can get you there faster.

Sailing feel and responsiveness : The “feel” of sailing a monohull is much better. With a single hull, you’ll feel wind pressure and trim adjustments immediately for a more responsive helm and a better ability to sail to the wind.

Maneuvering under sail: Monohulls are quite nimble tacking and turning under sail, and there’s less risk of slow or missed tacks.

Righting Moment: The primary offshore safety argument for monohulls is their ability to right when capsized. The heavy keel keeps the boat deck up when sailing, and most monohulls will come back upright even after a complete capsize.

Cargo and Loading: A higher displacement boat with thousands of pounds of lead hung from the bottom isn’t going to be as affected by loading as a relatively light multihull.

Aesthetics: This is subjective, as many catamaran enthusiasts love how they look. Classic sailboat styling, with swept sleek looks, springy sheer lines, and all the “right” proportions are more common on monohulls.

Also read: The 5 Best Electric Anchor Winches

Weaknesses and Cons

Like strengths, weaknesses are relative; just because one class has a strength doesn’t mean the other doesn’t. There are spacious monohulls and beautiful catamarans, just like there are cramped catamarans and unattractive monohulls. The differences have to be highlighted relative to each other, and the weaknesses of one are most apparent compared to the strengths of the other.

Catamaran Cons

Upwind performance: Cats don’t sail as close to the wind, but they make up for it by sailing faster off the wind. You’ll sail a less direct course upwind. Even if you get in at the same time, you’ll have to sail farther.

Less responsive sailing: Two hulls with two rudders and a very broad platform reduce the helm feel when sailing, cutting responsiveness sailing in shifting wind and wave conditions. It also makes tacking slower.

No-flip zone: It is very difficult, but not impossible, to flip a large catamaran (3). But if a catamaran capsizes, it will not flip back over by itself.

Large in marina/close quarters: You have two problems in marinas. Beamy cats are tough to maneuver in tight spaces because they’re big and visibility is tough over the hulls. And many marinas charge extra because the wide beam extends into the next slip. The good news is that twin engines make tight maneuvering easier.

Price point: Catamarans are more difficult to build and need more materials. This is directly reflected in the cost of the boats.

Monohull Cons

They are heavier: Every large monohull needs a keel for stability (4). They can not sail or stay upright without thousands of pounds of ballast, and this makes them heavier and slows them down. Tiny monohulls can use a centerboard or daggerboard for stability, but most boats big enough to sleep on need ballast.

Darker interiors : Most monohull living space is lower in the boat, where you can’t put enormous windows for light and circulation. It’s very hard to get space as bright and airy as catamaran saloons.

Less living space: With one hull and no bridge deck saloon, most monohulls feel cramped compared to spacious catamarans.

More prone to rolling motions : Only one hull makes monohulls susceptible to rolling in waves, and the movement can be quite uncomfortable.

Heeling: Tipping is just part of sailing monohulls upwind and is unavoidable. It can be reduced on some other points of sail, but not eliminated. Many people, especially non-sailors and new sailors, find this movement uncomfortable or distressing.

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Catamaran vs Monohull - 6 Points To Consider Before Choosing Your Boat

Multihull or monohull? It’s an age-old (and ongoing) debate, and each option certainly comes with its own set of pros and cons. Whether you’re thinking of investing in a boat of your own, or planning on chartering one for a sailing holiday, one thing’s for sure: the type of vessel you select will have an impact on your cruising experience. Ultimately, what you intend to use it for will determine which type of boat would be best suited for the job. In this article, we considered the aspects of space & design; safety; stability; speed; manoeuvrability and cost, so do read on for our comparison of the multihull catamaran vs the monohull sailboat.

THE CATAMARAN VS THE MONOHULL – A COMPARISON

1. stability . which is more stable, a catamaran or a monohull.

Fact – by virtue of having two hulls, both under sail and at anchor, catamarans are more stable than monohull boats. If you are sailing with young children, seniors – or anyone who’s not all-too steady on their feet – a catamaran will provide you with a much smoother and stable cruising experience than a monohull. Being multihulled, catamarans are not nearly as susceptible to the action of the ocean’s waves. This prevents them from heeling as much as monohull vessels would under the same conditions. As anyone who suffers from seasickness will tell you, this can be an enormous bonus. What’s more, a cat’s multihull stability will also be highly appreciated by anyone prepping food in its galley (two hulls make for a somewhat more pleasant dining experience, too). Lastly, because of its superior stability, walking around the deck (and moving around the interior) of a catamaran is much easier than it would be on a monohull. The verdict? Catamarans are more stable than monohulls.

2. SAFETY . WHICH IS SAFER – A CATAMARAN OR A MONOHULL?

The inherent stability and natural buoyancy of a catamaran automatically increase its safety while out at sea. As catamarans don’t have heavy, lead-loaded keels, they will remain afloat, even when (heaven forbid) they are holed. This is because most modern catamarans have such a large amount of buoyancy built into them that they are almost unsinkable, making them much safer than monohull sailboats in this regard. Sure, catamarans can capsize, but being rescued from an upside-down, still-floating multihull is definitely preferable to sinking to the bottom in a monohull! The verdict? Contemporary catamarans are incredibly buoyant and virtually unsinkable, making them safer than monohull sailboats.

3. SPACE & DESIGN . WHICH IS MORE SPACIOUS AND PRACTICAL – A CATAMARAN OR A MONOHULL?

Due to the boat's shape (and the amount of usable space each design allows), when compared square-foot-for-square-foot, every area of a monohull vessel is usually smaller than its catamaran counterpart. Generally, catamarans offer more room to move in its galley, cockpit and saloon areas than similarly priced monohull boats. Often, catamaran cabins are more spacious too, with cabins of even the smallest cat offering stand-up headroom. Catamarans are also generally more private than monohulls, and more straightforward when it comes to separating living spaces. This can be a significant advantage when you are cruising with children or guests. As most of a cat’s living spaces are above the waterline (on a monohull, only the cockpit is above the waterline), you’ll also enjoy superior airflow through ventilation on a catamaran. If you’re a scuba-diving enthusiast, carrying all of your diving equipment will be easier on a cat. What’s more, catamarans have trampolines, which make them perfect for onboard sunbathing as well as stargazing in the moonlight – a big, romantic plus for sure! Catamarans also have shallower drafts, allowing you to drop anchor closer to the beach than a monohull would. The verdict? Compared square-foot-for-square-foot, catamarans are more spacious than their monohull counterparts. In terms of design, a catamaran is perfect for onboard sunbathing and stargazing and will allow you to anchor closer to shore.

4. MANOEUVRABILITY . WHICH IS EASIER TO STEER, A CATAMARAN OR A MONOHULL?

Most catamarans can turn 360 degrees within their own length, something very few monohulls are capable of doing. However, generally speaking, monohulls are quick to tack, more manoeuvrable, and quicker to respond to the helm than catamarans. At the helm of a catamaran, you’ll get less feedback from the wheel than you would from a monohull. This will require you to be vigilant in rough conditions, and you’ll also have to know when to reduce sail. Compared square-foot-for-square-foot, catamarans are much lighter than monohulls, which means they also slow down a lot quicker. For the most part, catamarans are easier to dock than monohulls, as they have two motors and two rudders which simplify things a lot. This also does away with the need for a bow thruster. The verdict? We’re calling it a tie. Although monohulls are generally more manoeuvrable than catamarans, thanks to their two motors and two rudders, cats are easier to steer than monohulls.

5. SPEED . WHICH IS FASTER, A CATAMARAN OR A MONOHULL?

Although catamarans cannot sail as close to the wind as monohull sailboats, most cats do sail faster than a monohull on a reach. On downwind runs, reaches, and broad reaches, in particular, catamarans usually beat monohulls when it comes to speed, going about 20% faster than a monohull (even outrunning bad weather when necessary!). Another plus is that sailing a catamaran requires less physical exertion than sailing a monohull. The verdict? Even if they don’t point as high into the wind, catamarans are faster than their monohull counterparts.

6. COST . WHICH IS MORE EXPENSIVE, A CATAMARAN OR A MONOHULL?

Generally speaking, catamarans with similar sleeping capacity and equipment are more costly than their monohull counterparts (both to own or to charter). Just keep in mind that catamarans typically hold their value better and longer (and tend to be in higher demand) than monohulls. Comparatively, previously owned monohulls are cheaper to purchase than cats, as supply tends to outweigh demand by a large margin. The verdict? Catamarans are more costly than monohull sailboats. However, a read-through of Points 1 to 5 might convince you that they are worth the extra expense.

CATAMARAN OR MONOHULL? – YOUR NEEDS WILL DETERMINE YOUR CHOICE

Looking at the list of pros and cons above, it would seem that the catamaran comes out the clear winner – at least when judged on aspects of safety, space & design, speed and stability. However, your budget, the requirements of the people in your sailing group, as well as your own needs and preferences will all play a significant role in the boat you end up choosing. Both catamarans and monohulls offer unique advantages, and whichever choice you go with, we wish you many happy ocean voyages and an abundance of adventure! Ps. If you’re still unsure which option is the right one for you, why not check out the verdict from ocean adventurers who have lived aboard two monohulls and four catamarans over the past 25 years?

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Trimaran vs Catamaran: What are the Differences?

The debate between trimarans and catamarans has been raging for years, with no clear victor in sight. Despite their long-standing popularity as cruising vessels, trimarans have seen a resurgence recently – but what sets them apart from catamarans? The subtle differences lie mainly within the hulls; while monohulls are distinguishable several yards away, distilling one multihull from another requires closer examination of characteristics such as living space size accommodations, seaworthiness ratings , speeds achieved on test runs.

With these variables to consider – along with personal preference – deciding which vessel is right may be difficult indeed!

Performance and Stability: two distinct sailing experiences

The stability of a catamaran vs a trimaran.

When sailing on a monohull in strong winds, the boat can potentially capsize due to its single hull and lack of floatation. On the other hand, multihulls such as catamarans are more buoyant because they have two floats that help prevent immersion; however it still may be uncomfortable when navigating heavy seas. For the most optimal sail experience with great stability even through rough waters–pleasure trimarans provide an ideal combination! Three connected hubs act like small wheels over rippling waves while providing excellent comfort aboard no matter what conditions lie ahead!

The wind and its influence on the performance of multihulls

In sailing, trimarans outperform catamarans in a headwind situation. Their unique hull design features both daggerboards and central weight focus which allows them to counteract the thrust of wind better so as to stay on course rather than drifting away like their counterparts do. This subtle difference makes significantly more efficient vessels resulting in overall faster speeds when heading into the wind – making trimiras an ideal choice for less experienced sailors seeking reliable performance!

Looking beyond traditional catamaran styles?

Trimarans such as DragonFly boast amazing features thanks to its “Swing Wing” system while Rapido Trimaran offers “an experience like nothing else”—thanks in part due to Morrelli & Melvin architect firm constructing this Vietnam built masterpiece!

For those seeking a luxurious floating lifestyle, the trimarans from shipyard NEEL are second to none! These vessels feature ‘Cockloon®’ areas which seamlessly connect saloons and cockpits – providing uninterrupted living spaces with breathtaking panoramic views. Alongside this is an expansive flybridge offering extra room along with comfortable cabins nestled within their own designated floats for ultimate relaxation. You could say that these modern marvels of engineering provide all you need in one single package – now it’s just down to choosing your destination!

Looking for the perfect blend of stability, comfort and interior space? Look no further than the NEEL 65 – a unique trimaran that boasts roomy cabins thanks to its enlarged volume. Not only does it offer more living area compared with typical catamarans – but also features an optimally aligned central hull which provides extra safety at anchor! So if you’ve been in two minds between these nautical vessels; perhaps this could sway your decision once and for all…

Trimaran vs catamaran safety: the width of trimarans makes them safer

The trimaran stands out as the most secure of its multihull contemporaries. Its superior design consisting of three hulls, effective anti-drift strategies and centre-mounted weights combine to provide it with a groundbreaking 27° righting moment – allowing for excellent stability in even gusty weather or choppy waters. In comparison, catamarans offer just 12° degrees protection against capsize – meaning that the trustworthiness offered by a trimaran is hard to match! Further punctuating this remarkable level of security are features such as buoyancy tanks which ensure that if capsizing does occur, sinking will not be an issue: making trimarans perfect vessels for sailing’s safety conscious connoisseurs.

Racing trimarans

In the last decade, trimarans have surged in popularity for racing purposes due to their enhanced speed and safety capabilities. Their stability on rough seas allows them to be pushed further than catamarans can go without sacrificing control of the vessel; this is why most multihull races since 2010 have been captured by a trimaran! The Jules Verne Trophy has not seen any different – all winners since its start in 2010 are proud owners of these three-hulled vessels.

How to make the right choice between a monohull, a catamaran, and a trimaran?

No matter what sailing adventure you have in mind and the destination, it is essential to select a vessel that will fulfill your dreams while meeting all of your demands. Make sure to pick wisely!

Choose a monohull sailboat if you like sailing!

Nothing quite compares to the feel and freedom of a sailing adventure aboard your own monohull sailboat. With its large, retractable keel, you can explore shallow waters where other boats may not venture while taking in stunning vistas from beyond the coastline. Enjoy an unforgettable experience with every rustle of wind across your sails!

Read also : Monohull vs Catamaran, which one to choose?

Pick a catamaran if you like volume and calm seas

TThe catamaran is perfect for adventurers seeking the tranquility of sailing with family and friends. With a spacious interior, multiple cabins equipped with bathrooms, and an enviable amount of storage capacity above 12m in length – it’s easy to see why these boats have become so popular! However when navigating more turbulent seas keep in mind that their windward grip may make maneuvering tricky; but Catana’s boat selection has you covered thanks to its range featuring daggerboards allowing captains ultimate control over any situation.

Pick a trimaran for a good combination of volume and performances

For those looking for a sailing experience like no other, trimarans are the perfect answer. They offer lightning-fast speeds and truly exhilarating performances on open waters – all while providing plenty of roomy living space comparable to catamarans of similar size! Whether you’re attempting an adventurous transatlantic crossing or simply want to enjoy some pleasant cruising around the world, selecting a recreational trimaran could be your best bet.

Enjoy cruising on the NEEL 51 , a unique charter yacht that offers plenty of space without sacrificing performance. This trimaran-inspired vessel is perfect for travelers who want to explore new destinations quickly and safely — with speeds twice as high as other options!

Read more: LEEN 72′: The Future of Hybrid Trimarans is Here .

After looking into the differences between catamarans and trimarans, we can conclude that they each offer distinct sailing experiences. Catamaran sails offer a sense of comfort and stability for extended cruising trips and luxurious living spaces, while trimarans are better on performance, safety – due to the increased width of their hulls – and speed when racing. Ultimately though, it all comes down to personal preference when it comes to choosing between a monohull, a catamaran or a trimaran. If you want to gain speed and enjoy the thrill of racing, then a trimaran may be your best option; however if you prefer comfort and more space while cruising, then a catamaran may be more suited for your needs. Whichever you ultimately decide to purchase, just make sure that it fits your specific circumstances and requirements.

If you’re looking to buy a trimaran, don’t miss this opportunity to learn about the latest models and their features. Get the inside scoop on what to look for in a trimaran and what you can expect to pay. Find out how to choose the right size and style to meet your needs and budget. And if you’re looking to sell your trimaran, don’t miss this chance to connect with a global audience of interested buyers. Showcase your boat’s unique features and benefits and reach a wider audience of potential buyers.

So don’t wait any longer! Take advantage of this opportunity to learn more about buying or selling trimarans. Whether you’re a seasoned sailor or just starting out, this is your chance to dive deeper into this exciting world of boat ownership. Click the link below to get started today!

Whether you’re a fan of stability or speed, there’s one boat that can give you both – the trimaran vs catamaran. Catamarans provide plenty of living space and comfort in calm waters but struggle with choppy seas, while modern trimarans deliver excellent performance even on rough days yet still offer good room to relax onboard. But if vintage sailing is more your style opt for an older-style tri since it won’t be equipped with as much creature comforts!

Catamarans and trimarans are two types of watercraft that rapidly cut through the waves, but when it comes to speed one stands out above the rest. Trimarans have gained a reputation for being fast enough to take on any other vessel in a race – making them an excellent choice for anyone looking to shave precious seconds off their time!

When it comes to safety on the sea, two of the most popular vessels are Trimarans and Catamarans. Thanks to their side hulls, trimarans offer a much greater heeling angle compared with catamarans – meaning they’re less likely to capsize or sink in rough waters. However don’t let that put you off taking out a catamaran – while not as secure as its three-hulled cousin – these craft still provide plenty of stability for your seafaring adventure!

If you’re looking for an affordable seafaring vessel, the choice between a catamaran or trimaran can be daunting. With numerous factors that impact cost – from age and length to comfort levels and desirability – it’s often hard to tell which of these two sailing vessels will fit your budget best. But with some research, you’ll find just the right combination of affordability and quality suited perfectly to your needs!

Catamaran vs. monohull: Navigating the waters in style and comfort

Catamaran vs. Monohull: Navigating the waters in style and comfort

Embarking on a journey across the open waters has long captured the human spirit of adventure. The realm of sailing offers a plethora of options, each delivering its own unique experience. Among these, catamaran sailing stands out as a modern and luxurious way to navigate the seas. In this article, we delve into the world of catamaran sailboats, compare them to monohull counterparts, and help you discover the ideal choice for your maritime dreams.

Unveiling catamaran sailboats

Catamarans, known for their twin hulls and spacious decks, have redefined the sailing experience. These impressive vessels offer stability, ample space, and a comfortable layout, making them a favorite among sailing enthusiasts. Whether you're a seasoned sailor or a beginner, a catamaran promises a remarkable adventure on the water.

The thrill of sailing a catamaran

Sailing a catamaran brings a new level of excitement. The feeling of gliding through the water with minimal heeling is exhilarating. The wide deck areas provide plenty of space for relaxation, sunbathing, and socializing. Catamarans are also well-equipped with modern amenities, ensuring a comfortable journey.

Read our top notch articles on topics such as sailing, sailing tips and destinations in our Magazine .

Monohull sailboats: A classic choice

Monohull sailboats, with their single hull design, embody tradition and elegance. These boats are known for their responsiveness to wind and waves, offering an authentic sailing experience. While they may have less space compared to catamarans, their sleek design and maneuverability make them a beloved choice for purist sailors.

Choosing between catamaran and monohull

Deciding between a catamaran and a monohull often boils down to personal preferences. Catamarans excel in stability and space, making them suitable for larger groups and extended trips. Monohulls, on the other hand, offer a classic sailing feel and perform well in various weather conditions. Consider your priorities and the type of adventure you seek.

Sailing catamaran: A luxurious experience

Catamarans offer more than just a sailing experience; they provide a luxurious way to explore the waters. With spacious cabins, well-appointed kitchens, and modern bathrooms, catamarans feel like floating vacation homes. The comfort and opulence they offer have elevated the world of maritime leisure.

Navigating choppy waters: Monohull vs. catamaran

In rough seas, the design of a catamaran shines through. Its twin hulls provide excellent stability, reducing the rocking motion common on monohulls. If comfort during challenging weather is a priority, catamarans have a clear advantage.

Sailboat catamaran: Best of both worlds

For those who desire a mix of tradition and modernity, sailboat catamarans offer the best of both worlds. These vessels combine the classic aesthetics of monohulls with some of the space advantages of catamarans. Sailboat catamarans cater to sailors who value both performance and comfort.

Setting sail: Monohull yacht adventures

Monohull yachts, especially those designed for racing, offer a thrilling experience on the water. The feeling of harnessing the wind's power to glide through the waves is unparalleled. Monohull yachts are favored by competitive sailors and those who relish the art of traditional sailing.

Exploring the multihull sailboat

Beyond catamarans, the realm of multihull sailboats includes trimarans, which have three hulls. Trimarans offer a unique combination of stability and speed, making them suitable for both leisurely cruises and exhilarating races. They are perfect for those seeking a balance between comfort and performance.

Catamaran sailing yachts: Unmatched elegance

Sailing yachts built on the catamaran platform exude elegance and sophistication. These vessels are designed to provide a lavish experience, with spacious cabins, gourmet kitchens, and lavish lounging areas. Catamaran sailing yachts redefine luxury living on the open sea.

Catamaran landing near Anse Severe on La Digue Island, Seychelles

Monohull vs. multihull: Making the right choice

Choosing between a monohull and a multihull depends on your preferences and intended use. Multihulls, including catamarans and trimarans, offer stability and space. Monohulls provide a classic sailing feel and are favored by those who appreciate tradition. Consider your priorities and aspirations to make an informed decision.

Catamaran sailing safety and tips

Safety is paramount when sailing, regardless of the vessel type. Catamarans' stability reduces the risk of capsizing, but it's essential to follow safety guidelines and weather forecasts. Proper training, regular maintenance, and responsible navigation contribute to a safe and enjoyable sailing experience.

Catamaran sailing offers a blend of luxury, comfort, and adventure on the open waters. Monohulls continue to captivate with their classic charm and sailing prowess. Both options cater to different tastes and aspirations, ensuring that the world of sailing remains diverse and inviting.

So what are you waiting for? Take a look at our range of charter boats and head to some of our favourite sailing destinations .

FAQs about catamaran vs. monohull

Boats , Marine Engineering

What is a Catamaran? Catamaran Boats Vs Monohull Vs Trimaran

Olivia benjamin.

July 2, 2023

Diving into the world of catamarans, those magnificent vessels revolutionized the boating industry with their stability, speed, and remarkable spaciousness. The secret to their superiority? It’s all in the design, with two sleek hulls, side by side, linked by a bridge deck. That’s the design secret that set them apart from traditional single-hulled vessels.

Catamarans have become the first-choice vessel for sailors, cruising fans, and yacht chartering enthusiasts with their exceptional stability, unparalleled comfort, and outstanding performance, even under challenging weather conditions.

So, get ready to reveal the charm and brilliance of these awesome watercraft.

What is a Catamaran?

A catamaran is a type of yacht or boat characterized by its unique design featuring two parallel hulls connected by a bridge deck. This twin-hulled structure sets catamarans apart from traditional monohull boats and offers a range of advantages that have made them increasingly popular in the boating world.

Stability sits at the top of a catamaran’s list of advantages. The two hulls offer a broad base, significantly enhancing stability even in rough waters.

In addition to stability, catamarans hold a reputation for their spaciousness; a feature monohull boats find hard to match. A catamaran offers an inviting living space above and below the deck thanks to the wide spacing between the dual-hull structure.

Catamarans come in various sizes, from compact versions perfect for a day’s sail to larger variants designed for extended cruising or fishing. This versatility enables each boater to find a catamaran that fits their specific needs and desires.

Catamaran vs. Monohull

In the world of boats, the choice between a catamaran and a monohull is pivotal. Both boats offer unique advantages and face their challenges. Being aware of these differences can guide you in making a well-informed decision. Let’s explore some of these differences:

Sailing Performance

Thanks to their dual-hulled design, catamarans are known for their speed and stability. This configuration enables them to move through the water with minimal resistance, resulting in higher average speeds.

Conversely, Monohulls have one hull to navigate through the water, which may result in a marginally slower sailing experience.

Maneuverability

Catamarans gain the upper hand in shallow waters with their twin hulls. The twin hulls allow it to have a shallower draft, meaning that it can sail in waters that are too shallow for monohulls.

This grants catamaran owners access to exploring remote coves and anchoring in secluded bays, mostly inaccessible to monohulls.

Catamarans are appreciated for their tight turning circles and easing handling in marinas and tight spaces. However, monohulls boast superior maneuverability under sail due to their single-keel design.

Catamarans offer ample space due to their wide beam. The dual hulls facilitate generous living space on the deck and below, providing room for multiple cabins, saloons, and well-equipped kitchens.

In contrast, monohulls offer a traditional sailing experience with their characteristic lean and heel, which some sailing purists prefer.

Catamarans, especially larger ones, are often costlier than monohulls. This is due to the increased materials and labor required to build a catamaran’s twin hulls. Furthermore, the larger sail area and rigging of catamarans can lead to increased maintenance costs.

However, catamarans typically have higher resale values due to their popularity and demand in the market.

Catamaran Vs Trimaran

For sailing enthusiasts ready to explore the open waters, multiple choices for the type of boat with varied options. Among these, catamarans and trimarans are two popular choices that offer distinct features and benefits.

Both catamarans and trimarans are designed with multiple hulls. These boats have unique features catering to different sailing preferences and conditions.

Let’s explore some of differentiating factors between these two unique vessels:

Number of Hulls, Performance & Stability

As its name implies, a catamaran features two parallel hulls, while a trimaran three hulls. The hull count influences the boat’s stability, maneuverability, and overall performance on the water.

Catamarans are widely recognized for their exceptional stability and sailing performance. The twin-hulled design provides a large and stable platform on the water. With a wide beam and low center of gravity of a catamaran make it less likely to tip or heel dramatically during sailing, contributing to an overall sense of safety and stability onboard.

In contrast, trimarans, with their three hulls, offer a unique combination of stability and speed. The central hull, or the “ ama ,” is typically larger, offering buoyancy and stability. Two smaller hulls, known as the outriggers or “ amas ,” further contribute to stability and help counterbalance the forces acting on the boat. This tri-hulled design allows trimarans to sail at high speeds while maintaining stability.

While both catamarans and trimarans offer exceptional stability, catamarans generally have a wider beam. The twin-hulled catamaran design provides ample living space above and below the deck. Nonetheless, the narrower beam of trimarans may restrict the space available for living and other features. However, trimarans are still ideal for those prioritizing performance and exhilaration on the water.

With their dual hulls, catamarans have a distinct edge in shallow waters and constrained spaces. Their design provides a shallower draft, opening up exploration opportunities in shallow anchorages and exploring areas inaccessible to monohulls or even trimarans.

The twin-hulled design enables catamarans to efficiently deliver tight turning circles, making them highly maneuverable in marinas and crowded harbors.

Despite showcasing excellent maneuverability, Trimarans may experience comparatively deeper drafts due to the additional hull, potentially restricting their access to certain shallower areas.

Sailing Experience

Due to their wide beam and sturdy build, catamarans generally experience minimal heeling or leaning while sailing.

In contrast, trimarans might experience slight leaning during sailing, giving sailors a more traditional sailing experience that may be attractive to some sailors.

Assessing the cost between catamarans and trimarans can be complex. The final price tag usually depends on factors such as design intricacies, construction complexity, and the equipped amenities on the boat.

With their multi-hulled design, both catamaran and trimaran often demand more materials and craftsmanship, which can escalate the total cost. These boats typically have larger sails and rigging, increasing maintenance expenses.

Nonetheless, the cost will hinge significantly on the quality and sophistication of the design and equipment involved; hence, categorically declaring a cheaper option may be challenging.

Types of Catamarans (Sailing Catamarans Vs. Power Catamarans)

Catamarans are available in various shapes and sizes, catering to boating requirements and preferences. Sailing and power catamarans are the main types, each having distinct features and advantages.

Sailing Catamarans

Sailing Catamarans are designed with the thrill of cruising the sea under wind power. They offer excellent stability, a desirable trait for those seeking a smooth experience even in rough waters. The wide beam minimizes seasickness risks and lends itself well to overnight cruises.

Regarding propulsion systems, Sailing Catamarans use wind force captured by sails for movement. This natural, renewable energy source offers an eco-friendly and tranquil boating experience.

However, modern sailing catamarans also have auxiliary engines that assist during calm winds or intricate maneuvering in harbors.

Power Catamarans

Power catamarans are designed for those who prioritize speed and efficiency. These particular catamarans are equipped with powerful engines that facilitate them to reach high speeds effortlessly.

While the fundamental design of Power Catamarans mirrors that of Sailing Catamarans – the wide beam with dual hulls – the power source differs dramatically. The twin-engine setup (one per hull) allows for higher cruising speeds and improved maneuverability.

Power catamarans are known for their superior fuel efficiency, an essential consideration for day-long expeditions. Despite prioritizing speed, they don’t sacrifice comfort; the power catamaran’s design boasts spacious interiors similar to Sailing Catamarans.

Advantages of Catamaran Boats

Catamaran boats offer numerous benefits, making them an attractive option for experienced sailors and those new to boating.

1. Stability : Catamarans offer increased stability over monohull boats due to their wider base and even weight distribution. This stability is noticeable during sailing, anchoring, and even when exploring shallow waters, providing a more comfortable experience for passengers.

2. Shallow Draft : Catamarans can easily navigate in shallow waters due to their low draft. This feature allows for exploring narrow coastal areas, coves, and bays that may be inaccessible to larger monohull boats.

3. Comfort and Space : The parallel hulls of a catamaran create more living space. This includes a spacious kitchen or galley, comfortable sleeping quarters, generous storage space, and a large multipurpose deck area.

4. Power and Speed : Catamarans are known for their speed and performance. Their twin-hull design reduces wind and water resistance, allowing for increased speed. Their shallow draft also allows faster navigation in shallow waters or narrow paths.

5. Fuel Efficiency : Catamaran’s design contributes to their fuel efficiency. The wider base reduces drag, while its stability allows for constant sailing without extensive adjustments, leading to less fuel consumption.

6. Redundant Equipment: With duplicate systems and backup options for essential systems such as engines, steering, and electrical systems, ensuring uninterrupted functionality and safety even in the event of a failure or mechanical issue.

Drawbacks of Catamarans

While catamarans have unique design advantages making them popular, they also present certain limitations.

1. Responsiveness : Catamarans have less responsiveness due to their wider beam and twin hulls. This means they require more effort and time to turn, particularly in tight spaces or crowded marinas.

2. Pounding in rough seas : Catamarans may experience a pounding sensation when encountering large waves, causing discomfort and potentially increasing damage risk.

3. Wider beam challenges : The wider beam of catamarans can make finding suitable docking spaces difficult in crowded marinas or tight anchorages. Navigating through narrow channels or under bridges can also prove challenging.

4. Fuel efficiency at high speed : In strong headwinds or rough seas, the reduced drag of a catamaran increases speed but requires more fuel to maintain the higher speed.

5. Higher purchase and maintenance price : Catamarans often have higher purchase prices. The double hulls and equipment lead to increased maintenance costs and potential failures. Also, catamarans often require wider slips or specific berthing arrangements, resulting in potentially higher costs.

6. Sailing Performance : Due to their wider beam, Catamarans struggle to sail close to the wind. Their larger wetted surface area can create more drag when sailing upwind, impacting their performance in stronger wind conditions.

It is important for potential catamaran owners and operators to carefully consider these factors and choose a vessel that aligns with their specific needs and intended usage.

Tips for Sailing a Catamaran

Sailing a catamaran is an exciting experience but demands unique handling skills & knowledge. For a smooth sailing adventure with a catamaran, keep in mind the following tips:

1. Know Your Catamaran’s Design : Familiarize yourself with the boat’s layout, controls, sails adjustment, handling the rigging, and engine operation before setting sail. If necessary, understand how to operate the engines to ensure a safe journey.

2. Monitor Weather Conditions : Always check the weather forecast before departure. Remember, a catamaran’s wide beam makes it susceptible to strong wind gusts, so adjust your sails and course accordingly to maintain control.

3. Practice Maneuvering : Operating a catamaran requires skill and caution, particularly in tight spaces like marinas or crowded harbors. Practice maneuvering skills in open waters before docking or anchoring in challenging areas. Know how to use the engines efficiently for forward, backward, and sideways movements, keeping the boat’s draft in mind to avoid grounding or hitting reefs that could harm the hulls.

4. Know Your Depths : One of the major considerations when sailing catamarans is their draft – the minimum depth of water a boat sinks to when loaded. Being aware of the draft of your catamaran prevents you from running aground or damaging the hulls on underwater obstacles or shallow areas. Regularly use your depth finder, follow up-to-date nautical charts, and remember that conditions can change rapidly.

5. Harness the Wind : To maximize your sailing efficiency, understand and use the best sailing angles for your catamaran since this varies among different catamaran models. Learn how to trim your sails properly to harness wind power effectively and constantly watch for wind direction and speed changes to adjust accordingly.

6. Maintain Your Catamaran : Regular maintenance of your catamaran is crucial to ensure its optimal performance and longevity. Establish a routine check for potential issues, including regular hull inspections, rigging wear and tear, and engine checks if applicable. Cleaning the vessel regularly prevents algae build-up and exposes hidden potential issues that might otherwise be overlooked.

7. Plan Your Berthing: The increased beam size of a catamaran compared to monohull sailing yachts means you’ll need a wider space for berthing. Pre-planning your berthing locations can save you from avoidable berthing complications. Always approach the berth safely and slowly, and be mindful of surrounding boats and hazards.

8. Prioritize Safety : While the stability of catamarans can make them feel exceptionally safe, it’s important never to compromise on safety standards. Ensure everyone on board is familiar with basic safety protocols, knows how to use lifesaving equipment, and knows where it’s stored. Regular checks and upkeep of safety gear, including lifejackets, fire extinguishers, and flare kits, are essential.

Remember, these starting tips merely scratch the surface regarding sailing catamarans. Continuous learning and accruing experience on the water are crucial to becoming a skilled catamaran sailor.

Catamaran Boats FAQs

When it comes to catamarans, several questions are often circulating in the minds of novice and seasoned sailors. Let’s address some of these commonly asked questions:

What is the difference between a catamaran and a monohull boat?

The most significant differences between a catamaran and a monohull boat are their hull design. Catamarans feature two hulls connected by a bridge deck, while monohulls have a single hull.

Key advantages of catamarans include greater stability, spacious living areas, and a shallower draft. Conversely, monohulls are typically known for their traditional sailing experience and ability to slice through waves.

How does the cost of a catamaran compare to a monohull?

Catamarans are generally more expensive than monohull boats of similar size and features due to the increased materials, labor, and engineering necessary to build them.

Furthermore, catamarans might have higher maintenance and operating expenses due to their dual hulls and larger living spaces. However, it’s important to remember that catamarans provide more living space and stability for those who value comfort and spaciousness.

What is the typical draft of a catamaran?

A catamaran’s draft refers to the hull’s depth below the waterline. Catamarans are known for their shallow draft, which allows them to navigate in shallower waters compared to monohull boats.

The specific draft varies depending on a catamaran’s size and design but typically ranges from 2 to 5 feet. This shallow draft is advantageous in coastal areas, island hopping, or exploring shallow-water destinations.

Can catamarans be used for racing?

Yes, catamarans have become increasingly popular in the realm of sailing races. Racing catamarans are designed with lightweight materials and streamlined hulls that enable them to reach remarkable speeds.

They also feature advanced sail systems that boost performance, such as rotating masts and asymmetrical spinnakers. Catamaran racing is both exhilarating for participants and a fascinating spectacle for spectators.

Are catamarans suitable for long-distance cruising?

Catamarans are well-suited for long-distance cruising due to their stability, spacious living areas, and efficient sailing capabilities. With their wider beam and dual hulls, catamarans offer abundant living space above and below the deck.

This makes them comfortable for extended periods on the water, providing ample room for supplies, equipment, and socializing. Furthermore, the impressive stability of catamarans allows for a smoother ride, even in rough seas.

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Trimaran vs catamaran: Which one to go for

Nov 27, 2020

less than a min

Trimaran vs catamaran: Which one to go for

There is a lot of commotion in the marine world when it comes to the discussion of trimaran vs catamaran. Both vessels are part of the multihull category . A catamaran is a yacht with two hulls while a trimaran has three hulls.

First of all, it is important to note that both trimarans and catamarans are more popular than monohulls lately as they are easier to control. In addition, monohulls can capsize more easily in difficult weather conditions, and sometimes, they even have space limitations. Moreover, speed is a big advantage of trimarans and catamarans. Typically, these multihulls are 25-30% faster than a monohull of the same size.

Trimarans vs catamarans: which one is better

Both trimarans and catamarans have their advantages and disadvantages which means that picking one over the other is not only hard but probably impossible. The choice is based not solely on their properties but also on weather conditions, destination route, and most importantly, personal taste.

Let’s have a look at both yachts in more detail.

Catamarans are very interesting boats. They are also known as cats, an abbreviation of their name but also a tribute to their versatility. These boats are fun to sail and also provide a good level of comfort. Their size varies between a few cabins that can accommodate 2 people, to a large group of 20. While many catamarans are affordable and family-friendly, some of them also display extra luxury and can sail to the most beautiful and expensive destinations around the Mediterranean and the Caribbean. Last but not least, catamarans are very good yachts when it comes to stability, but they are mainly designed to sail in shallow waters, lagoons, or calm sea gulfs.

Trimarans have three hulls – the main one, and two overhangs. As a result of this geometry, trimarans are unsinkable. They do not capsize even in the worst of storms, and even in the rare case that they flip over, trimarans manage to stay afloat. The big disadvantage a trimaran has is that it combines the comfort and sailing capacity of a monohull boat with the security to stay afloat that a multihull provides. In addition, trimarans are some of the fastest boats out there. They can be used as chartered vessels as well as racing boats.

Trimaran vs. catamaran: which one to choose

A catamaran is a better choice if you are looking for minimal work on deck . Also, catamarans are perfect for holding events and parties on board while still maintaining their stability on the water. Here is a list of the best catamarans under 50 feet .

If you are looking for something more challenging where to practice your sailing skills, then a trimaran is a more appropriate boat for you. In addition, if you are a speed junkie, look out for the fastest trimaran boats and pick the one that best suits your needs.

While making a choice between a trimaran vs a catamaran seems easy on paper, it is harder when you are in front of the fact, or better yet, in front of the boat. To make a more informed decision, compare any boat you are looking at TheBoatDB . Find out all their features and get a better picture of what life would be like if you purchased that vessel.

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Trimaran VS Catamaran – Which Boat Is Best?

If you’re planning to buy or charter a multihull boat, you might be wondering which one is better: trimaran or catamaran. Both have their pros and cons, and the decision ultimately depends on your needs and preferences. In this article, I’ll explain the differences between these two types of vessels to help you make the best choice for your needs.

Post updated: 10 November 2023

Table of Contents

Differences Between Trimarans and Catamarans?

If you’re in the market for a new vessel or plan a family vacation on the water, you might wonder what the differences are between a catamaran and a trimaran.

Let’s see what they are:

A catamaran is a multihull vessel with two or twin hulls that are parallel to each other and fixed to a wide beam.

This design offers stability and speed, making it a popular choice for cruising long distances comfortably and even racing.

They also provide more interior space than trimarans, allowing for larger cabins and more storage.

When it comes to sailing performance, catamarans are known for their speed and agility.

Their twin hulls allow them to easily glide over the water, making them popular among boaters.

Cats are stable, fast, spacious, and super comfortable and are more stable at anchor than trimarans. However, catamarans tend to perform better in downwind conditions than in upwind conditions.

A trimaran is a multihull vessel that has three hulls. The two smaller outrigger hulls are attached to the center hull, which is larger and used for most of the boat’s functionality.

This design offers even more stability than a catamaran, making it a great choice for those who want to sail in rough waters safely.

The three-hulled design makes them super stable, and as mentioned above, they can easily handle rough waters. They also have a smaller turning radius, making them easier to maneuver in tight spaces.

Another important thing to know about Trimarans is that they provide a decent degree of livability, but they fall short of catamarans in two regards. First, they heel more than cats, making it difficult to do things like cooking on board. Second, they support much less load than catamarans.

Pros and Cons of Catamarans and Trimarans

Before making a decision whether to sail a catamaran or a trimaran, there are pros and cons you must consider. Let’s see what there are:

Stability: Catamarans have two hulls, which makes them extremely stable. This means that you are less likely to experience seasickness or feel the boat rocking in rough waters.
Space: Catamarans have a lot of space both inside and outside the boat. This makes them great for large groups or families who want to spend time together without feeling cramped.
Speed: While not as fast as trimarans, catamarans are still faster than monohulls . They perform better in downwind conditions than trimarans and are great for long-distance cruising in calm waters.
Shallow Draft: Catamarans have a shallow draft, which allows them to enter shallow waters and anchor closer to shore.
Cost: Depending on how well the Catamaran is equipped, it can be more expensive than trimarans. Not always, though.
Harbor Cost: As catamarans have a very large beam, this means that a berth at the marina will be higher.
Navigation: Catamarans tend to struggle sailing close to the wind .
Speed: Trimarans are known for being faster than cats and single-hull boats. They can easily reach high speeds and are great for racing or long-distance cruising.
Stability: Trimarans are more stable than catamarans due to their three hulls.
Space: Trimarans are wide, but the interior is less spacious than catamarans.
Safety: Provide exceptional buoyancy. If a trimaran capsizes, there is almost no chance it will sink.
Navigation: Trimarans can sail in any weather condition and perform much better upwind than cats.
Berthing: Trimarans are more difficult to maneuver in harbors, making finding a berth in crowded marinas more challenging.
Maneuverability: Trimarans require more ability from sailors to beach without difficulty than catamarans.
Loading: Trimarans struggle to carry as much weight as catamarans.
Sailing: Trimarans require more effort and work on the deck.

Design and Structure

When it comes to design and structure, there are significant differences between trimarans and catamarans. Below, I’ll walk you through these two multi-hull vessels’ geometry, hydrodynamics, weight, and materials.

Geometry and Hydrodynamics

One of the most significant differences between trimarans and catamarans is their geometry. A trimaran has a central hull with two outriggers connected to a large beam, while a catamaran has two parallel hulls connected by a central platform.

This twin-hull design gives catamarans a unique sense of balance and stability. On the other hand, trimarans offer superior stability and adaptability in various water conditions thanks to their three-hulled design.

The central hull of a trimaran is typically longer and narrower than the hulls of a catamaran, which leads to better hydrodynamic performance.

Both trimarans and catamarans have different hydrodynamic resistance characteristics.

For instance, trimarans have less wetted surface area, which means they experience less drag as they move through the water. This feature makes trimarans faster than catamarans in rough weather conditions and high winds.

Performance and Speed

When it comes to performance and speed, there is a clear winner between trimarans and catamarans . Trimarans are known for their speed and are often faster than catamarans of the same size and weight. This is because of their unique design, which has speed and safety qualities that provide significant advantages over catamarans.

Trimarans have less hydrodynamic resistance than catamarans due to their narrower central hull, which allows them to slice through the water more efficiently in rough seas.

While catamarans are also fast, they often fall short of trimarans in terms of speed and performance. But that’s not always true in downwind conditions because cats are light, and their sails are positioned equivalent to the wind, making them faster than tris in downwind conditions.

Heeling and Capsizing

One of the biggest concerns when it comes to stability is heeling and capsizing. Heeling means the boat leans from one side to one side, while capsizing is when the boat flips over completely.

Both trimarans and catamarans heel, but trimarans provide greater stability and are less likely to capsize due to their three hulls. However, this doesn’t mean a trimaran can’t capsize.

In rough conditions, if a wave gets higher than half the size of the beam, the boat can flip over, but because trimarans have exceptional buoyancy, they float on the surface of the water and can serve as a rescue platform, but they won’t sink!

Comfort and Space

One important factor to consider when choosing between a cat and a tri is comfort and space. So, let’s look at these two types of boat’ accommodation: storage, cockpit, and living quarters.

Accommodation and Storage

One of the main advantages of catamarans over trimarans is the amount of space they offer. Catamarans typically have larger cabins and more storage space than trimarans. This makes them a great choice for longer trips, as you’ll have plenty of room to store all your gear and personal belongings.

Trimarans, on the other hand, have smaller cabins and less storage space. This can make the passengers feel a bit cramped, especially on longer trips.

However, some trimarans do offer creative storage solutions, such as under-bunk storage compartments or overhead storage racks. Note that the latest models of trimarans are extremely spacious and offer as much comfort and space, if not more, than catamarans do.

Another difference between trimarans and catamarans is their weight. While trimarans can potentially be built lighter than some catamarans, catamarans are lighter on average due to having one fewer hull requiring structure and ballast.

The weight distribution of a trimaran is also different from a catamaran, with more weight concentrated in the central hull. This feature provides better stability and performance in rough seas and upwinds.

Catamarans, on the other hand, can support more load than trimarans. This feature makes them ideal for long-distance cruising and liveaboard lifestyles.

Frequently Asked Questions

Q: which has better resale value – trimarans or catamarans.

Resale values for both trimarans and catamarans can depend on factors such as the boat’s age, maintenance, and overall condition. Generally, catamarans have a larger market and may hold their value better due to higher demand, especially among cruisers and charter companies. However, a well-maintained trimaran can still attract buyers who value speed and performance.

Q: Which type of boat is more suitable for long-distance travel: trimaran or catamaran?

Both trimarans and catamarans are fantastic for long-distance travel. Still, catamarans are often preferred among sailors for extended cruising due to their larger living spaces and privacy on board. However, if speed is a critical factor for your journey, a trimaran might be a more attractive option.

Q: What factors should I consider when choosing between a trimaran and a catamaran?

When deciding between a trimaran and a catamaran, some key factors to consider include your intended use, performance expectations, available space, and budget.

You should ask yourself:

What are your primary sailing goals – speed, comfort, cruising, or racing?
How much living and storage space do you need for your crew and equipment?
What kind of stability and performance characteristics do you value most?
Are you willing to compromise on space or speed for the sake of your preferred multihull design?

Final Words!

So, what’s the best boat? Well, both are great. The choice between a catamaran and a trimaran will depend on your needs and personal preferences. If you are looking for a peaceful trip at a slower pace with plenty of space for the whole group, a catamaran will be your best bet. On the other hand, if you want to zip through the water and get your blood pumping, a trimaran is what you need!

Want More Tips?

Have you sailed a catamaran or a trimaran? If so, please share your experience in the comments below.

Daniella has been passionate about travel, the sea, and nature for many years. As a child, she frequently traveled throughout the Mediterranean and continued with her journeys throughout her adult life.

Her experiences have created the desire within her to share her love for traveling with other passionate and adventurers who want to discover beautiful horizons and new cultures.

26 thoughts on “Trimaran VS Catamaran – Which Boat Is Best?”

Hey, well I’m definitely the Catamaran girl. I love my space and don’t really need the thrill of the ride as much as I value the relaxation and holiday-type feeling. What’s your personal choice? Well since I’m more the sailor’s wife than the sailor, those other problems don’t really apply to me, do they? hahahaha what’s your personal choice?

We have something in common, because I am not a fan of racing . I love comfort and space, so I would go for a Cat!

Have a great day:)

I would go for the trimaran as it’s more stable in tough conditions as I would like to explore the world, not that I want to race. Catamaran is my go to option if I just want a nice vacation boat or something I agree that that one is better if you don’t want to race. I won’t buy a boat in the near future though, I certainly have not got the money, and I live at the wrong location, not far from the sea but still, I can’t even drive (no license). Great article though and I love boats. Wondered what the difference about these 2 are and now I know.?

Hi Stephanie, Sorry for the late reply. I had a minor technical issue:) Yes, trimarans are extremely stable and are faster than catamarans. However, those beautiful boats are quite expensive and if you plan on sailing around the world, you’ll need a small crew with you to handle the boat:). I am glad this article helped you know what’s the difference between a trimaran and a catamaran. Let me know if you need more info. I am always happy to help. Thank you for the comment and I wish you a lovely day.

This is a very informative comparison of the trimaran vs. catamaran style sailboat. They look similar on the exterior to the untrained eye – but it seems like the differences are pretty dramatic. If someone was looking to charter one for a vacation – do you have a specific experience or preference for one or the other?

It will depend on your personal preferences!

What are your needs? Can you be more precise?

I personally love to sail in comfort, I also need a lot of storage, so a cat is my favorite yacht!

Have a wonderful day:)

I have sailed ON a cat but never sailed one myself. Certainly a wonderful experience unlike a single-hulled vessel that rocks and rolls with the swells. That leads me to ask: if caught in rough weather (large swells and strong winds), how reliable is the trimaran? Does either configuration have limitations in this regard?

For the same size of boat, a trimaran have higher sailing performance ,a better ability to tack and go windward. So to answer to your question, a trimaran will handle better in strong winds and will go faster! But! Bear in mind that no matter if it’s a cat, trimaran, or monohull, the safety will all depend on when the sail will be shortened and how the boat will be handled in bad weather.

I hope it helped and if you have any other question , please feel free to get in touch:)

Have a great day!

Awesome write up on the differences between the two beauties. I have learned something new here. I am more of the adventure like person and your quick analysis of the Trimaran, tells me that I probably would lead to this option when choosing between the two.I will certainly browse around your site to check out other interesting articles you have on offer.Take Care, Roopesh.

Hi Roopesh,

Thank you for the compliment and you are very welcome to stroll around my website.

Take care too and wish you an awesome day!

Itâ€™s interesting to see the different opinions shown concerning of a debate. I donâ€™t know about these vessels but I enjoyed reading it.

To me, Iâ€™ll go for Trimaran because of the modern interiors. I mean, itâ€™s the modern feel that Iâ€™m looking for. Thatâ€™s my main, personal factor.

Still, overall, I think itâ€™s also suffice to say that these two cannot be compared because itâ€™s not like with like. But thatâ€™s just my opinion. Trimaran for the win anyways!

So nice to see you again on my website:)

Yes, the trimaran Neel 45 has a modern look, but not every trimaran. Also, they are much faster than catamarans, sailors usually use them more for racing and catamarans for cruising.

Thank you for the comment, I really appreciate:)

I wish you a wonderful day!

I think now the Neel have brought out the 51 the game has changed somewhat. Lots more room ,walk around bed in master room. Lare shower in main head, the inside outside Cocloon as they now call it. Heaps of space below, fantastic headroom down below in central Hull. Much more classic looking boat on the exterior. Add the speed, stability and affordability compared to similar sized Cats and there really does not appear to be any more to be said. Of course it’s just my opinion and if money was not an option i think the Gunboat 60 would be the final choice, but for around 600k the Neel 51 has definitely set the standard. Take a look https://www.youtube.com/watch?v=1-997AEXfsk

Well, that’s a beautiful trimaran you have here, effectively, this one looks much more comfortable and wider than the Neel 45! I would definitely choose the 51 over the 45! I’ve really enjoyed watching the video, and it would be interesting to write an excellent review on the 51:). I agree with you, the Gunboat is such a beautiful cat, and now it makes it even harder to choose between the two of them:) Thank you for the comment and wish you a wonderful day!

Late arrival here but after reading and watching so many negative reviews about the Neel trimarans and the Neel 45 images of one build showing their train wreck quality, there is absolutely no way you can compare a Gunboat and a Neel. You’d be better off comparing it to the Yugo automobile.

The “Sailing Yacht Ruby Rose” did a recent video review of the newer Neel 47 posted on July 18, 2019 showing very clearly that its build quality is extremely lack luster. Although it was the Neel Trimaran that gave me the sea bug, one probably couldn’t purchase a poorer quality boat at any price. It’s an awesome concept but it’s a manufacturer no individual should consider buying from. I’m hoping one of the premium Cat builders will take on the task of providing a similar concept when I’m ready with my money.

Hello Eso, The beautiful thing in life is that everyone has different taste and opinion. I am glad to have you here and thank you for sharing your experience with the readers, this will certainly be useful to many people. I wish you a fantastic day!

Yes I’ve been looking at the Neel 51, Its turning my attention some what. It would make world cruising just that little bit faster and with room and comfort. PS I like the engine room.

Hi Mercury,

Thank you for the comment! The Neel 51 is a beautiful boat. She is more spacious and comfortable than the 45 Neel, but the 65 is even better! However, the 51 is an ideal cruising trimaran to sail in comfort. She provides everything sailors have ever dreamed of such as speed, stability, space, and luxury. What more to ask for:)

Thank you again for the comment and wish you a wonderful day!

I own a Catana 47 with one owner and two guest cabins. I and my wife want four cabin boat so that We can sail with our two daughters and their family including grand children. Should I buy Catana 53, Outremer 51 or Neel 51?

Thank you for commenting!

I am not a boat seller, but I will be more than happy to answer your question. The Catana 53, Neel 51, and Outremer 51 are fantastic boats. And to be honest, I would personally buy the Neel 51 because she is extremely spacious, lightweight and more stable than any catamaran out there.If you bring children, then you would want the boat to be safe. The other boats are also great but tend to perform less well in strong winds and heavy seas than the Neel 51. So yes, the Neel 51 is unbeatable in all categories! At least to me:)

I hope it helped and, please, feel free to contact me if you need to know further information. I am always happy to assist!

Thank you again for the comment and wish you a lovely day!

It’s really a good Information. I have never been in any one of the rides but I feel personally Cat is better. Do you guys know anything similar to this other then Cat trimaran like Semi-Submersible, drone etc. as I am doing a project that will help you to ride Cat Yourself alone!. Wish me good luck and please help me achieve my goal fastly, by sharing your precious knowledge and time. thank you in advance.

Hi Mohammed,

We would like to help you, but we didn’t really understand your question, could you be more specific, please?

Thank you for the comment!

Hello Daniella, Firstly thank you very much for your kind response. I would like to have some info about the Stability equation of Catamaran and different steering Mechanisms.

You are very welcome!

Please, check out these articles, I am sure you will find all the answers to your questions: file:///C:/Users/gofri/Downloads/6962-1-10720-1-10-20130718.pdf

http://www.sailingcatamarans.com/index.php/faqs/19-sailing-and-performance-questions/109-which-steering-system-should-i-use

I hope it helped! Don’t hesitate to contact me if you need more information, I’ll be more than happy to assist!

Dear Daniela Thankyou very much for your Kind help. Could you please give some Information about the construction guidance of Catamaran. I want to construct my own for my experimental purposes. Thankyou Regards Moulasaheb Md

Hi Mohamed,

I would like to help you, but you are not in the right place for this. If you are looking for sailing holiday, then I’ll be more than happy to help!

If you want to construct your own boat, I highly recommend you to check other websites.

Thank you for the comment and wish you a great day!

Catamaran vs Monohull: The Great Sailboat Debate

16th jun 2023 by john burnham.

Do you love the natural sounds of water sliding past the boat’s hull and a breeze blowing across your rigging and sails while gliding ahead powered only by the force of the wind? If yes, you are well-suited to spending plenty of time on a sailboat, like so many generations of boat people before you.

But do you take your lead from the Egyptians who rigged sails on their boats built of reeds along the Nile River or follow the path of the Polynesians, who used an outrigger for extra stability and sailed from one Pacific island to the next in the earliest catamarans?

The question of which is better for sailing, one hull or two, has been a matter of debate over thousands of years. Today, let’s explore these two basic types of sailboat, and while we may not settle the argument once and for all, hopefully in the process you will begin to discover which option is better for you.

What Are the Differences Between Catamaran and Monohull Boats?

The monohull and the catamaran (often referred to as “cat”) are the two most common categories of sailboats, and of the two, the monohull far outnumbers the catamaran in popularity due to its simplicity and sturdiness. Advocates of the catamaran, however, are typically even more convinced than monohull sailors that their boats are best due to performance potential and overall spaciousness.

What are catamaran-style boats?

Catamarans are easily identified by their two-hull design. Two hulls sit side by side with an interconnecting deck or structural beams across the bap in the middle. Catamarans have been around since Pacific Islanders and other Austronesian people sailed them centuries ago, and they continue to gain popularity in a wide range of designs both as high-performance racing boats and ocean-cruising designs.

Although not part of this debate, a third sailboat type comparable to a catamaran is a trimaran. Trimaran sailboats are constructed similarly to catamarans but have three parallel hulls rather than two. Collectively, catamarans and trimarans are referred to as multihulls, and sailors of both types often refer lightheartedly to monohulls as “monomarans.”

What are monohull-style boats?

Monohull sailboats are the most common boat type because they feature a single hull, typically with a single mast and two sails. Rather than maintaining stability with a second hull creating a wider beam, monohull boats usually carry lead or other heavy ballast in their keel, or are stabilized by human weight as their crews lean out to counter the force of the wind. Monohulls can also be excellent racers and cruisers, depending on their size, volume, sail area, and displacement or weight.

Where Catamarans and Monohulls Excel

Each type of boat has its advantages, depending on what the owner wants in a boat. Here are the main advantages of each type.

Catamaran advantages

• More space . Catamarans have greater beam for a given length, which provides more space for the crew on a daysailer and larger living quarters on cruising designs, which are often laid out with berths in each hull and living quarters across the bridgedeck between hulls.

• Faster hull . If they are light enough, the sleeker shape and reduced wetted surface of two narrow, shallow hulls can produce quicker straight-line sailing speed than a single, deeper and wider hull.

• Comfort and stability . Two hulls provide better initial stability and generally heel less than monohulls, especially in light- or medium-strength winds and waves.

Monohull advantages

• Upwind sailing . When sailing against the wind, monohulls often sail at a closer angle to the wind and arrive more quickly at their destination.

• Easier motion . Heavier monohulls often have a slower, gentler motion in waves than a lighter catamaran.

• Load carrying capability . A monohull’s performance is reduced less than a catamaran’s when the boat is loaded heavily with cargo or crew.

• Righting characteristics . Larger monohulls have weighted keels that provide increased resistance to a capsize when the boat is heeled far over by wind or a wave and if capsized will return the boat to an upright position.

Catamaran vs. Monohull Sailing Speed

There are several reasons why a catamaran is often faster than a monohull boat. These include the fact that most catamaran hulls have less water resistance than monohulls, they are often lighter, and they can be more easily driven by a relatively small sailplan. At similar lengths, a catamaran can be dramatically faster than a monohull under similar sea conditions. However, weight is the enemy of a catamaran’s speed; a heavy or heavily loaded catamaran may be much slower than a lightweight monohull.

Catamaran vs. monohull power

A monohull under auxiliary power may be faster than a catamaran in certain conditions, like powering against a strong wind. In other wind and wave conditions, the catamaran is often faster. Also, with an engines on each hull, the cat is often much more maneuverable in close quarters or at the marina. While it may seem counter-intuitive, turning and controlling the boat is often less challenging than when sailing a monohull boat with the typical single engine. Monohull boats require more finesse when in tight quarters like berthing in a marina.

Catamaran vs. Monohull Efficiency

A sleek monohull may sail against the wind super efficiently, pointing close to the wind and making an excellent speed. However, the power-to-weight ratio of the catamaran allows it to make good use of whatever wind it has. Some fast, light catamarans can travel at speeds equal to or faster than the wind, something very few monohulls can achieve. When the wave action increases and you start sailing into the wind, the catamaran may lose its advantage, and in strong winds, the greater windage of the wide catamaran may have a pronounced slow-down effect compared to the sleeker monohull.

Catamaran vs. Monohull Stability

Despite not having a weighted keel, a catamaran design is able to avoid heeling over in strong winds or bad weather due to its greater width or beam. As a result, the multihull also tends to be more stable at anchor and any time in calmer seas. However, if the winds are strong and the waves are large, a monohull, with its keel weight and ability to sail against the wind while controlling the sails, is sometimes the steadier of the two types. While a monohull with weighted keel can be knocked down by strong gusts of wind, it will only capsize in extremely large waves. Likewise, a cruising catamaran can only capsize in large ocean waves, unless it is a fast, lightweight catamaran, that can more easily tip over in gusty winds and waves.

Catamaran vs. Monohull Safety

Power catamarans and power monohulls are relatively comparable in terms of safety. But depending on the size of the mast and sails, the weight of the boat, and the wind and wave conditions experienced, many sailors believe that a monohull configuration is safer than a catamaran for a sailboat. That’s mainly because while a monohull will initially heel over further in a strong gust of wind, the weight of its keel provides increasing stability as described above and if completely capsized, the keel typically helps the boat self rescue.

It should be clarified that many sailing catamaran designs are conservatively configured and difficult to capsize except in extreme ocean wave conditions—and the same can be said for larger power catamarans.

In terms of ultimate safety in the event of a capsize, however, the catamaran is considered safer because even should it turn once upside down, even if damaged, the catamaran with its two hulls and minimal ballast typically remains buoyant and provides a safer configuration in which to await rescue. By contrast, if a monohull’s hatches and port windows suffer damage in a knockdown, the boat can more quickly take on water and, weighed down by its keel or other ballast, be more difficult to keep afloat in extreme conditions.

Photo credit: Fountaine Pajot

Monohull vs. Catamaran Maintenance

Depending on size, age, and type of hull construction, maintenance costs will vary, but when comparing two fiberglass sailboats of similar length, the catamaran typically costs more to maintain. That’s because there are two hulls to care for, two engines, connecting structures that align the two hulls, and an overall larger boat due to the catamaran’s greater beam. Hauling and launching a catamaran can be more expensive at many boatyards, as well.

However, smaller catamarans of about 20 feet in length or less are often more comparable and sometimes cheaper to maintain than a similar length monohull. That’s because cats are often lighter and suitable for keeping on a trailer rather than in a slip or on a mooring.

Catamaran vs. Monohull Cost

Compared to similar length monohulls, a catamaran will likely cost more than a monohull boat. That’s mainly because when you purchase a 40-foot catamaran, you are buying two hulls and two engines, but you are also buying a bigger boat that typically has much more volume. In the case of a 40-footer, you end up with a boat that has a large saloon and three or four private cabins, whereas in the monohull, the saloon is smaller and you’ll have three smaller sleeping cabins. Annual maintenance will also be greater, as described above.

Among smaller catamarans and monohulls, pricing will vary, and a lightweight beach cat may be less expensive than a heavier monohull keelboat of similar length.

Catamaran vs. Monohull, Pros and Cons

Depending on a variety of factors, there are plenty of catamaran and monohull pros and cons. These are some to keep in mind when comparing the two boat types.

Catamaran pros

• Comfort . On a cruising designed catamaran, two hulls with a wide beam create a stable and comfortable living environment with open spaces and plenty of standing room.

• Speed . Smaller, lighter catamarans are speed champions, especially in a moderate wind and modest waves. Cruising cats are often fast when sailing at reaching angles.

• Maneuverability . When equipped with two engines, a catamaran is highly maneuverable under power.

Monohull pros

• Upwind sailing . Although catamarans are often faster when sailing in a straight line, monohulls typically perform better against the wind.

• Self-righting . Except for unballasted monohulls that rely on crew weight for stability, the ballasted keel of a monohull prevents capsizing in most circumstances and the keel makes the boat self-righting.

• Maneuvering under sail . Monohulls turn more easily due to their shape, maneuvering in close quarters or tacking when sailing against the wind.

Catamaran cons

• Lack of feel when steering . Except in lighter, more performance-oriented catamarans, the broad platform with two rudders and two hulls sometimes isolates the sailor and provides little feedback through the helm when under sail.

• Sailing against the wind . Upwind sailing is generally not a catamaran’s best point of sail, but its straight-line speed can be such that it may arrive quickly at its destination, even though you will have traveled much farther than in a monohull.

• Pricing . Catamarans are typically more expensive than monohull boats due to their two hulls and other required build components and complexity.

• Not self-righting . Thanks to its wide beam and two-hull design, a catamaran is more difficult to flip, but it is not designed to right itself except for small beach cats where the crew can use their weight to re-right the boat.

Monohull cons

• Weight . Most monohulls have thousands of pounds of weight in the keel for ballast that is vital to its stability but can degrade performance.

• Wave motions . Monohull boats are much more susceptible to rolling wave motions.

• Cabin . With the monohull cruising design, you'll typically find a darker interior with smaller port windows and fewer space options.

• Heeling effect . Monohulls will heel over in a moderate wind, which is normal but often uncomfortable for newer sailors.

Written By: John Burnham

John Burnham is a marine editor and writer with decades of journalism experience as Chief Editor of boats.com, Sailing World, Cruising World, and other boating websites. As a competitive sailor, he has led teams to world and national titles in the International One-Design, Shields, and other classes. Based in Newport, Rhode Island, John is a PCC leadership coach, a member of the America’s Cup Hall of Fame Selection Committee, and a past board member of Sail America and US Sailing. For more, see johnsburnham.com .

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Monohull vs Catamaran: A Deep Dive into Design and Performance

The genesis of two designs.

In the world of sailing, the debate between monohulls and catamarans is a tale as old as time. The history of these two iconic designs stretches back to antiquity, reflecting the evolution of human innovation and our insatiable desire for exploration.

The monohull's genesis lies in the early days of human seafaring. Traditional cultures from the Mediterranean to the South Pacific have all used some form of monohull craft for fishing, trade, and exploration. The monohull's sleek, single-hulled design, characterized by a deep keel and distinct bow and stern, offers an efficient shape for cutting through waves. Over centuries, the monohull design has been refined and perfected, culminating in the magnificent yachts we see gracing our waters today.

On the other hand, the catamaran, a vessel with two parallel hulls, boasts a legacy equally steeped in seafaring history. Its origins can be traced back to the outrigger canoes used by ancient Austronesian cultures.

The word 'catamaran' itself is derived from the Tamil word 'kattumaram', which loosely translates to 'logs tied together'.

These innovative sailors discovered that by adding a second hull, they could greatly improve the stability and speed of their vessels, a design principle that holds true to this day.

Exploring the Monohull Design

Stepping into the present, let's delve deeper into the modern monohull design. Its traditional single hull offers a quintessential sailing experience that's hard to match. Monohulls are typically seen as the embodiment of the romantic sailing ideal, thanks to their elegance and the graceful way they heel under sail.

One of the major benefits of monohulls lies in their seaworthiness. Their deep keels provide excellent stability, allowing them to handle heavy seas and high winds effectively. In addition, the keel acts as a counterbalance, enabling the boat to right itself after being heeled over by a gust of wind. This 'self-righting' characteristic is a significant safety feature exclusive to monohulls, adding a level of reassurance when navigating challenging sea conditions.

Monohulls are also known for their responsive handling and satisfying sailing performance. The mono-hulled design cuts cleanly through waves, resulting in a smooth and predictable ride. If you're the type of sailor who enjoys feeling the wind and waves' raw power, the visceral connection that a monohull provides is unparalleled.

However, as with everything in life, monohulls also have their downsides. For one, space can be at a premium. The deep keel and the rounded hull shape necessary for stability and performance take up much of the interior volume, leaving less room for living space compared to a similarly sized catamaran.

Another consideration is the heeling motion. While some sailors love the feeling of a boat leaning into the wind, others may find it uncomfortable or disorienting, especially during prolonged passages.

Despite these trade-offs, monohulls continue to hold their charm for many, offering a blend of tradition, performance, and adventure that has stood the test of time. In the next part of this deep dive, we'll shift our focus to the twin-hulled wonder of the sailing world: the catamaran.

The Catamaran Conundrum

As we switch gears to catamarans, it becomes apparent how contrasting they are to their monohull counterparts. Catamarans, with their dual hulls connected by a central platform or cabin, present an entirely different set of strengths and challenges.

Let's start with one of the most prominent features of catamarans: their stability. The wide beam of a catamaran provides a significant increase in stability over a monohull, reducing the boat's tendency to roll. This stability not only enhances the comfort of your crew but also allows for safer and easier movement on deck and below. If the notion of preparing a meal in a level galley while underway appeals to you, a catamaran might be the perfect fit.

Space is another major advantage of catamarans. With essentially two hulls worth of volume, catamarans typically offer much more living space than a similarly sized monohull. This makes them an attractive option for those planning extended cruises or living aboard. The additional space also allows for separate, private cabins in each hull, perfect for accommodating families or groups.

When it comes to performance, catamarans have a distinct edge in certain areas. Their dual-hulled design and lack of a ballasted keel result in less drag, allowing them to often outpace monohulls in moderate conditions. However, this speed advantage may be offset in heavy weather, where the ability to cut through waves (rather than ride over them) can make a monohull's ride smoother and faster.

But, just like monohulls, catamarans aren't without their drawbacks. While their stability and flat sailing characteristics are often seen as benefits, they can also create a false sense of security, leading some sailors to push their boats beyond safe limits. Additionally, while catamarans are significantly harder to capsize than monohulls, if they do flip, they generally won't self-right like a monohull would.

Furthermore, catamarans can be more challenging to handle in confined spaces due to their wider beam. Docking, in particular, can be trickier, especially in marinas designed with narrower monohulls in mind. Also, the increased beam and dual hulls often lead to higher mooring and maintenance costs.

Monohull vs Catamaran: Performance Parameters

Before we take this deep dive to its conclusion, it's important to touch on a few key performance parameters. These can greatly influence whether a monohull or catamaran would be a better fit for your sailing needs.

For starters, how a boat handles various wind conditions is critical. Monohulls, due to their keeled design, tend to excel upwind. Their ability to 'point' into the wind is usually superior to that of a catamaran. On the other hand, catamarans, with their lighter weight and reduced drag, often have the upper hand in downwind and lighter wind conditions.

Another factor to consider is load carrying capacity. While catamarans have more space for storing gear and provisions, they can be more sensitive to overloading. Additional weight can significantly impact a catamaran's performance, whereas monohulls tend to be more forgiving in this regard.

In the final part of this blog, we'll wrap up our deep dive by considering these and other factors to help determine which design might be the best fit for your sailing needs.

Choosing Your Vessel: What Suits Your Sailing Style?

Now that we’ve explored the design principles and performance traits of monohulls and catamarans, it’s time to consider what kind of vessel will best cater to your personal sailing needs and preferences.

If your sailing plans involve long passages in open waters, especially in rougher seas or challenging wind conditions, a monohull's sturdy and seaworthy design might be the most fitting choice. Their excellent upwind performance and smoother ride in heavy weather will provide you with both comfort and safety on lengthy oceanic voyages.

For those attracted to the exhilaration of speed, catamarans, with their swift downwind capabilities, can offer a thrilling sailing experience. They can be the ideal choice if your sailing adventures are primarily focused on coastal cruising, island-hopping, or participating in sailing races where their speed advantage can shine.

Lifestyle preferences play an essential role as well. If you value space and comfort, and perhaps are contemplating living aboard or planning extended family cruises, the spacious interior of a catamaran, with its level sailing and private cabins, may be the superior option.

However, if you're a sailing purist who enjoys the classic feel of a boat that heels under sail, the thrill of mastering the art of balancing a boat in various wind conditions, a monohull will likely provide the sailing experience you're seeking.

As for cost considerations, remember that while catamarans offer more living space and stability, they can also come with higher purchase, maintenance, and mooring costs.

Closing Thoughts: Your Ideal Adventure on the Water

If you're looking to buy or charter a sailboat , the choice between a monohull and a catamaran ultimately boils down to your sailing goals, personal preferences, and budget. There's no definitive answer to which is better because it's subjective to the individual sailor.

Whether you're lured by the traditional appeal and seaworthiness of a monohull or the comfort, stability, and speed of a catamaran, the most important thing is to choose a vessel that will provide you with many memorable and safe adventures on the water.

At Sailing Virgins , we love them both and appreciate their unique characteristics. Whatever you choose, the sea will always be an ever-changing playground that continually challenges and rewards those who embrace the sailing lifestyle.

If you're still unsure about which one is for you, why not join one of our sailing courses or adventures? It's the perfect way to gain hands-on experience and discover what type of sailing brings you the most joy. Feel free to press the button below to check out our courses.

Fair winds and following seas to all prospective boat buyers out there!

Catamarans vs. Monohulls

Which is better, a monohull or a catamaran.

This question gets asked a lot in sailing. Especially...

Yachting Monthly

Digital edition

Monohull or multihull: which is best for blue water?

Chris Beeson
March 29, 2016

As former editor of Yachting World, David Glenn has plenty of experience of both monohull and multihull cruising. Here he weighs up the pros and cons

One hull, or two? Your choice will define your life afloat Credit: David Glenn

Through the binoculars I could see masts off Basil’s Bar on Mustique. Their lack of movement suggested a fine anchorage, sheltered from the tradewind-driven swell that builds up in the channel between Mustique and Bequia. It soon became apparent that most belonged to cats, immune from the rolling monohulls like ours would endure if we were to stop in this otherwise enticing bay.

More anchorages in a multi

Cats galore off the Soggy Dollar Bar, Jost van Dyke: too shallow for a fixed keel monohull of similar size

Stability is one of the truly great advantages of a cruising multihull. Not just at sea where the tiresome business of heeling is something that simply doesn’t – or shouldn’t – happen to any great extent, but at anchor too. It dramatically widens one’s choice of anchorages to include those affected by swell – not uncommon in the Caribbean, for instance, where a subtle change in wind direction can make a previously flat calm anchorage unbearable in a monohull. Its comparatively shoal draught widens the choice still further.

I grew up with monohulls, own one, and frankly wouldn’t consider a multihull for the sort of sailing I do. In northern European waters, marina berthing is a regular necessity and completely safe open anchorages are few and far between.

No rolling or heeling, 360° views and one-level living, as here on a Lagoon 52, appeal to many

But if I were to undertake some serious blue water cruising and I wanted family and friends genuinely to enjoy being afloat, particularly those less experienced, a multihull would have to be a consideration. I would have to put aside the question of aesthetics – let’s face it, they’re ugly beasts – and forego that unique and satisfying sensation of a yacht sailing well, because to date I have not experienced it in a cruising multihull. And that’s quite a sacrifice.

More space in a multi

My attitude changed after chartering catamarans in the Caribbean and Mediterranean. The need to accommodate two families comprising largely of teenage children made the choice of a multihull a no-brainer. In a 46-footer we could accommodate a party of 10 in comfort and the paraphernalia demanded by youth, like surfboards, windsurfers, kites and snorkelling kit, without feeling jammed in.

One-level living makes a big difference when sailing as a famly

The cavernous berths in the ends of the hulls, the wide saloon-cum-galley with its panoramic view and the inside/outside lifestyle made possible by the juxtaposition of the big aft deck and the same level saloon, got the entire crew onside instantly.

As an outside living space, with a trampoline at one end and a massive aft deck at the other, there is simply no comparison with a monohull of the same length. So space, linked to stability, makes for an experience that everyone, even the timid and novices, will find hard not to enjoy.

No speed difference

A multihull, like this Moorings 46, has abundant stowage on deck and below, but filling it all will slow her down

Load-carrying ability is a double-edged sword. On the up side there is room for a big crew and its kit, much more fresh water tankage than a monohull, eliminating the need for an expensive, temperamental watermaker, and finding space for a generator should be easy.

On the down side the temptation to overload will probably cancel out any perceived performance advantage. Multihulls can be relatively quick in the right offwind conditions, but if they are heavily laden – as they will be for blue water cruising – there really is no significant speed advantage.

The Gunboat 66 Phaedo 1 piles on the speed, but for blue water cruisers, comfort and stowage is more important than pace

Some new designs such as Gunboat and Outremer have concentrated on performance, but most clients aren’t overly concerned about outright speed and are happy to trade performance for the considerable comfort offered by brands like Lagoon, Broadblue, the Fontaine Pajot stable, Leopard, Catana, Privilege and others.

Mono sails better

Monohulls, like this Amel 55, sail better upwind, and her ballast keel adds displacement, which means comfort when it’s rough. Multihulls can develop an unpleasant motion in a big sea

Upwind, most cruising multihulls won’t point like a monohull with a deeper keel, and when it gets lumpy and fresh, the motion can become distinctly unpleasant. You have to keep a particularly careful eye on sail area too, but more of that in a moment.

In 2011 I was involved in a test of three cruising catamarans and among my fellow judges was multihull design legend Nigel Irens. He pointed out that catamaran buyers have voted for accommodation (which means weight) over performance, so the dilemma of mixing the two has largely disappeared. With it went the spectre of capsize because, relative to their displacement and beam, the modern cruising catamaran is under-canvassed. But that doesn’t mean that sailors can simply set sail and go in any weather.

‘Speed limits’ on a multi

On a multihull, it’s more important to know when to reef. Set speed limits and stick to them

Also on the panel was Brian Thompson, the lone Brit on board the 130ft French trimaran Banque Populaire V that sailed around the world in under 46 days. He told me that the tell-tale signs for knowing when to reef are far more subtle on a multihull. Apart from instinct, Brian suggested monitoring boat speed closely and having a speed limit to trigger reefing. It is easy to overlook a building breeze when bowling along downwind in a multihull, which is going faster and faster. ‘Keep your boat speed within safe limits you should not get into too much trouble,’ he said.

People often ask about anchoring a multihull, which is important as a multihull will spend a lot of time at anchor. Squeezing into a marina can be nigh on impossible, and expensive if you can get in. An essential piece of kit, which should be standard with a new boat, is a bridle that runs from either hull and keeps the anchor cable on the centreline. In many ways this is easier than anchoring a monohull as it prevents the ground tackle from fouling the hulls.

If you do get alongside a marina pontoon you will soon discover another modern cruising multihull issue: excessive freeboard. It’s worth investing in a portable ladder for those marina moments. Of more concern is MOB recovery. There are bathing platforms on both hulls of most new boats, but it’s not the place to be if a yacht is pitching in a heavy sea. So considerable thought needs to be applied to retrieving an MOB if the worst happens.

The recent and dramatic increase in numbers of multihulls going blue water cruising is certainly testament to their appealing ‘lifestyle’ attributes, but one must bear in mind that they are not a fix for all liveaboard cruising challenges. It’s just a different way of doing things. The elements remain the same and can inflict just as much punishment for the unwary on a multihull as they can on a monohull.

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Catamaran vs Monohull – Which is Better?

Which is better a catamaran or a monohull.

I’m often asked by my students why one would choose a sailing monohull or a sailing catamaran for their adventures. The simple answer is: There is no simple answer — it depends on a lot of things, perhaps the most important one is your preference. “Yeah, well, this is my first week sailing ever, so how do I have a preference?” Let’s explore the differences and discuss the ins and outs of sailing, chartering, performance, and living aboard either vessel.

Notice that I don’t say “pros” and “cons” when considering the differences between the two vessels. To some, the gentle rocking of the monohull elicits nostalgia for a bygone youth spent sailing dinghies in the bay. To others, it represents sleepless nights, banging kitchenware, and angry spouses.

Short Summary – Catamaran vs Monohull

Generally, I describe my preference as follows: If I want to invite guests that are not frequently on the water, have less tolerance for “bumpy” nights, or expect a more “luxury” experience (you’ll see why I put it in quotes shortly) then I select a sailing catamaran. There is more room to spread out (vs the same length mono), rocking at anchor/mooring is minimized, and the kids love playing on the trampoline. Or perhaps phrased differently, “If you want to drink from beach to beach…”

DO NOT DRINK ALCOHOL WHILE OPERATING ANY VESSEL. EVER.

If, however, you want to put some miles down sailing from port to port in the Med (or wherever you have variable wind direction), then the mono is probably the better option. It has better upwind performance and costs less in marinas.

Let’s get into the details. We’re going to compare a suitable, common charter catamaran ( Lagoon, 40 ’) with a good, common charter monohull (Beneteau, 41’).

Sailing and Performance

The monohull total tacking angle is about 90-100 degrees apparent wind angle (AWA). This means that the closest close-haul sailing angle achievable is approximately 45-50 degrees off the wind. The comparable catamaran has a total tacking angle of about 110-120 degrees (55-60 degrees AWA off the wind). This loss is due to the extra leeway experienced in the catamaran. This is a significant difference when trying to beat to windward and can mean the difference between sailing the entire distance vs putting the sails up for show only. For those interested in math, the progress into the wind is determined by the cosine of the close haul sailing angle (angle of the wind) times the length of the leg on that tack.

windward distance = cosine(𝜶) x leg length

Where α is the close haul sailing of the vessel. Table 1 compares the windward distance achieved of 3 sailing angles over a leg length of 1 unit (nautical mile, km, etc). For example, if the leg length is 1 nm, and 7 legs are sailed, a total distance of 7 nm is covered. However, the progress to windward is not 7 nm, but

cosine(𝜶) x leg length = cos(45°) x 7 nm = 0.71 x 7 nm = 5.0nm

for a monohull sailing 45° to the wind, and 4.0 nm for a catamaran sailing 55° to the wind. The final difference after 7 tacks each is 1.0 nm, which would take the catamaran an additional 2 tacks (and just shy of 2 nm distance sailed) to make up the difference.

Table 1. Sailing Angle and Distance Comparison Sailing Angle (off the wind) Windward Distance Achieved % loss from 45°

Figure 1. Sailing Angle Mono vs Cat

A real-life example

Sailing from Mallorca on a new Lagoon 40. We needed to sail directly upwind in about 20 knots of wind, 3 miles from Cala Mondragó to Cala D’Or. It took over 2 hours and we sailed over 7 nm. As you can see, the tacking angle is far from 90º typical to a monohull.

Additionally, the loss to each tack must be considered. Speed and headway is lost with each tack – the mono carries its momentum much better (minimal speed loss) through the tack and has minimal leeway loss compared to the catamaran. The cat loses a tremendous amount of its momentum and experiences significant leeway loss. And it has to take more tacks to make the same windward distance, rendering the loss greater than that just lost to having to sail a greater distance due to the tacking angle.

Daggerboards greatly reduce leeway and give catamarans excellent upwind performance on par with monohulls. There are reasons why all cats don’t just have daggerboards. Especially on charter boats, one mistake, leaving the boards down, in shallow water can destroy the boat.

Across the wind (most reaching situations), the catamaran is faster. Upwind, the mono makes better progress due to the tacking/sailing angle. Downwind is a competition.

Downwind is where catamarans really shine. The stability and smooth ride is no comparison to a monohull. We sailed Never Say Never, our Lagoon 400S2 from Hilton Head SC to Ft Lauderdale, we had a NE wind of 20-25 knots. For us to stay inshore of the Gulf Stream to avoid rough conditions, we were wing-on-wing for over 24 hours, surfing down gently at over 7 knots. We covered over 160 miles in 24 hours. Escorted by dolphins, this was one for the books —non-stop 3-day delivery.

Comfort & Stability

The catamaran doesn’t heel (well, it shouldn’t. I guess if that’s the case we’re having another conversation ). No heeling can mean easier walking about while underway: we’re all familiar with walking on level ground; walking with the ground at an angle is a less-common experience. However, there is an oft-missed discussion about the mono’s stability on a heel. Waves tend to roll under the mono’s hull. Once sea legs are found, the motion of the hull on the water is predictable and smooth.

The cat’s motion on waves tends to bounce between two “stable” states: one resting on the starboard hull, the other resting on the port hull. You get a slight, but sudden rock to starboard when the wave passes under the port pontoon, then a sudden return to port as the wave passes under the starboard hull. This tends to be a jarring motion all day. So while some argue that mono heeling is tiring, others will argue that this cat phenomenon is tiring. A sarcastic captain often says:

“One benefit of a cat, you get each wave twice!”

Each vessel has its own quirks for sail trim, so that is a wash. I can read a mono’s sails much easier than a cat’s, but I sailed monos for 20+ years before trying cats so I may be biased.

Catamaran vs Monohull Safety

The mono gives lots of feedback about being overpowered long before it becomes a problem: heel angle and weather helm are the loudest. The cat is much more subtle: mast and boom groans, light windward pontoon, lack of steerability. Experiment with the main traveller position and reefing on a schedule per the owners manual to find the optimum sail configuration on a cat.

When the seas pick up, catamarans do much better downwind. Monohulls tend to roll, yaw and wallow in the troughs and round up on the face of the waves. Catamaran’s tend to surf straight down the waves. A force 7-8 blow can be enjoyable. Stow your main and run with just the jib downwind on a cat and you’ll see the beauty and ease to steer this configuration.

“When the seas pick up, catamarans do much better downwind. Monohull’s tend to roll, yaw and wallow in the troughs”

Chartering and Living Aboard Considerations

Charter cost – cats are 30-60% more expensive than the equivalent mono.

In marinas, the cat rate is usually 50% greater than the mono rate. And, unless you get a reservation long in advance, they might not have room for you.

On moorings, depending on the bow cleat location, the mooring lines can run over or along portions of the hull of the cat. This leads to line stretch-and-relaxation noise all night long. For anyone in the forward cabins, this is a nightmare. Or worse since you can’t even get to sleep to have a nightmare.

Cats tend to have shallower draft and therefore can anchor closer to the beach. If wind and swell are from the same direction, cats tend to weather it better at anchor. Due to the bridle, cats do not swing on anchor. Older monos used to swing a lot, modern designs have reduced this swing tremendously.

There is lots more room on a cat to house the luxury amenities like A/C, water makers, and generators. Though, modern design is allowing for clever locations for these items in the mono, so there will probably be more monos becoming available with these options.

Cats tend to carry more potable water than the mono. They also carry more fuel. And burn more. Our weekly mono fuel bill ranges from $80-150 USD. Our weekly cat fuel bill ranges from $180-300 USD. (1.) Though you pay more for a catamaran, most systems are redundant. Two engines are better than one.

Catamaran vs Monohull Maneuverability

Cats are far easier to maneuver under power due to the two engines being separated by such a great distance. This makes picking up moorings, dropping and weighing anchor, and docking a breeze.

I would argue that monos are easier to manoeuvre under sail due to large rudders and heavy keels. The heavy keel maintains its momentum through manoeuvres much better than the cat. The large rudder means a small helm adjustment is quickly experienced in the respective heading. This large rudder also reduces steerage way to about 0.75-1.0 kts, whereas the cat is about 2.5 kts. While I doubt we’ll see cheaters , I mean bow thrusters, on 40’ monos, I have seen them on 44’ monos before. This added amenity makes up for greatly increased manoeuvrability while docking or weighing anchor.

Dinghy Storage

Storing the dinghy on the davits is a wonderful location for passages of any length. The reduced drag from not towing it is immediately seen in increased sailing speed. Monos must carry theirs on the bow or tow it astern. And you have to take the engine off too. Usually by hand, so you are not going to see a 20HP electric start engine on a dinghy for a 40’ mono. Not that you’d see that size for a 40’ cat either, but a 9.9 – 15 HP isn’t out of the question.

Ultimately, it boils down to what your preferences are. Do you like the extra space and amenities the cat provides? Do you like the sailing performance of the mono? Again, I choose a cat to sail from island to island in the Caribbean, where having a water maker or A/C is nice, fairly flat water is expected at all times, and anchoring close to the beach is a cool experience for everyone on board. I choose a mono to sail greater distances, go offshore, or hop from one marina to another in the Med.

1. This article was written in the spring of 2022, just before the crazy increase in fuel prices. As of publication date, these numbers need to be adjusted higher by about 50-100%

Ben Martin is a long-standing instructor at Nautilus Sailing. ASA 201, 203, 204, 205, 214 Certified Instructor, RYA Yachmaster Offshore, USCG 100 Ton Captain. Ben grew up in Northern Maine sailing dinghies on a lake. He graduated from University of Maine with a Master’s in Electrical Engineering. After working for the US Navy for a few years, he decided to pursue his passion on the water and worked as a charter yacht captain for several years in the Caribbean and the Mediterranean. Eventually, his career led to sailing instruction and he hasn’t looked back since.

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Monohulls or Catamarans – Which is Best for the Cruising Sailor?

The debate between catamarans vs monohulls still rages, and most boaters are firmly on one side or the other. The truth is, either a catamaran or a monohull can provide a wonderful way to enjoy sailing, traveling, and being on the water.

Both have advantages and disadvantages, and both have large and loud fan clubs. The choice between a catamaran and a monohull depends on your budget, lifestyle, and personal preferences.

My wife and I have owned both types of vessels over the years. After five years of cruising on a Lagoon catamaran, we decided to go old school and bought our current boat—a heavy, full-keel monohull. The catamaran was fun, for sure—but it wasn’t for us in the end. Here’s a look at all of the differences we learned about during our journey.

Life at anchor, life at a dock, life underway, living space, storage space, ride comfort and motion at sea, maintenance time and costs, docking and maneuvering, capsize risk, hull breach scenarios.

Rigging Safety

Rigging Strength and Configuration

Monohull vs catamaran speed, thoughts on catamaran vs monohull for circumnavigation, deciding monohull vs catamaran, faqs – catamarans vs monohulls.

Life on Sailing Catamarans vs Life on a Monohull Vessel

At anchor, a catamaran provides superb comfort and living space. The “upstairs” cockpit and salon mean that boaters can enjoy non-stop wrap-around views. Monohull boaters are stuck in their caves and must peek out of their small portlights or climb into their cockpits to view the world.

A modern catamaran will also have swim steps that make it easy to get on and off the boat and provide easy access to dinghies and water toys.

If there’s an uncomfortable roll or swell in the anchorage, the catamaran’s stability will make the roll a bit less noticeable. Monohull boaters are more likely to be adversely impacted in a rolly anchorage. This does not mean that the cat owners are getting a perfect night’s sleep every evening, however. Catamarans just have a different motion in rocky anchorages, not a lack of motion.

Life at a dock gets a little more tricky for catamarans. Most marinas were built long before the catamaran trend and feature traditional slip sizes meant for monohulls. Marinas have to put catamarans on t-heads or make other accommodations. Therefore, it can be harder and more expensive to find a catamaran-friendly dock.

Once at a dock, the massive space of a catamaran can be harder to heat and cool efficiently. Catamarans usually need several air conditioners or heaters installed, whereas a monohull can get by with only one or two. That also means that cats might need more power (50 or 100 amp service instead of 30 amp) than some marinas can provide.

Monohulls will have fewer issues finding marinas that can accommodate them, and they pay standard rates.

When sailing in protected waters, catamarans usually speed past their monohull friends. A catamaran provides a flat ride and sailors can move around their boats easily to make sail changes as needed. Walking on a catamaran’s deck is undemanding.

Catamaran sailors also have many options to rest comfortably underway. Because catamarans don’t heel over, catamaran sailors can sleep in their usual cabins. They can move about the interior of the boat with ease. Cooking in the galley doesn’t usually look any different underway.

In similar conditions, a monohull will heel over. Some sailors love the feeling of being heeled over and feeling the wind in their hair. Some don’t. It can be more challenging to walk the decks and work sails on a monohull vs a catamaran. While in the cockpit, monohull sailors will want to sit on one side and may even need to brace themselves to stay comfortable. For long trips, there is no doubt that living while heeled over for days at a time is exhausting.

Moving around the interior of a monohull boat at sea is also more challenging. Monohull sailors usually sleep in sea-berths with lee cloths instead of their usual quarters. It would be very uncomfortable to sleep in a v-berth underway, as the bow may be continuously pitching in seas. The lee-cloth in the sea-berth helps keep a resting sailor in their berth instead of falling onto the floor.

Monohull boats have gimbaled stoves. Even while the boat is heeled over, the galley stove will remain level. However, cooking in a monohull while underway is still more challenging than cooking in a catamaran since the cook needs to constantly brace themselves against the heel and rolling motion.

At the same time, none of this is to say that catamaran sailors have it easier at sea. In reality, catamarans may be more level, but they feel every wave in the ocean twice. The result is a choppy, bumpy ride with no rhythm. It can be just as tiring as being heeled over in a monohull.

Catamaran vs Monohull Sailing Compared

Here are just a few ways that catamarans differentiate themselves from monohulls as platforms for living aboard.

Living space—quantity and quality
Storage space and weight
Budget—purchase and routine maintenance
Maintenance
Catamaran vs Monohull for Circumnavigation
Docking and close-quarters maneuvering

Catamarans have significantly larger and often more attractive living spaces. On the other hand, the living space on a monohull is usually small and can be dark due to small windows.

A monohull’s cockpit tends to be small and focused on safety. Families are more likely to feel in each other’s way, and moving around while others are seated can be awkward. On a catamaran, the cockpit is likely to be large and social. Catamaran cockpits have large tables and lots of lounging space in the cockpit.

Catamarans have large trampolines forward, which provides another comfortable, social lounging space that monohulls lack. Many catamarans also feature additional lounge space via the large cockpit roof.

The salon on a monohull is located in the main cabin. A monohull’s salon will be smaller than a similarly-sized catamaran. Often there is a small table, room for several people to sit, and a single sleeping berth.

Catamarans feature a wide bridge deck that crosses both hulls. This large living area features great visibility, ventilation, and natural light. On some catamarans, the galley is located on the bridge deck (called “galley up”), and on others, the galley is located in one of the hulls (called “galley down”).

Monohulls have sleeping quarters in the bow and stern of the boat. On smaller monohulls, the main sleeping area is usually a v-berth. Older, smaller monohulls usually have just one head.

On a catamaran, the sleeping quarters are located in each hull. These cabins often feature regular-sized boat beds and large en-suite heads. Cabins on a catamaran usually offer more privacy than monohulls.

Catamarans are popular with charter companies because large families or groups of friends can enjoy living on a boat together in style and comfort. Each will have a private cabin and a private head. In addition, if you want to find space to exercise, do yoga, or watersports, you’ll find these activities much easier and more comfortable on a catamaran.

Catamarans have more space in general and certainly have more storage space. The additional deck space catamaran designs offer lends to easy storage for larger items, such as paddleboards and kayaks. Catamarans can often hoist and store larger dinghies than monohulls can. Large compartments make storage easy.

However, many catamaran owners are very cautious about storing too much. Additional weight can slow down a catamaran’s performance speeds. With so much space to put things in, it’s remarkably easy to overload a cruising catamaran. Many owners complain about the performance of smaller cats, when in reality they are often just badly overloaded.

Monohulls have less space and less storage. Finding space for big items like water toys can be challenging. But monohullers worry less about weight and freely carry around their cast iron skillet collections—because weight doesn’t impact performance on a monohull nearly as much.

This is a consideration when cruisers consider adding additional equipment. For example, a catamaran owner will have to consider the added weight of a generator and its detriment to sailing speed. In contrast, a monohull owner will have to consider finding space for the new generator.

Some prefer the motion of a monohull while sailing. Monohulls heel over but are steady, and sailors usually get used to the heeling motion. On a catamaran, if conditions are good, the boat won’t heel and will provide a comfortable ride.

When sailing upwind, some catamarans experience bridge deck slamming. Waves get caught between the two hulls and create a slamming motion and sound. It’s hard to predict the timing and strength of each slamming motion, so some catamaran sailors can find it tiresome.

The amount of bridge deck slam varies from boat to boat. Catamarans with higher bridge decks will experience less slamming, while boats with bridge decks closer to the water experience more.

Beyond that often-discussed issue, there is also the issue of the boat’s motion. It’s very difficult to imagine how different the motions are when compared to one another. The monohulls slice through the waves, usually with a predictable rhythm. A catamaran, built lightly to sail fast, feels more like it bounces over the tops of waves. The crew will feel each impact as each hull hits each wave. The result is a choppy, unpredictable motion—but it’s generally flat and level.

Monohulls have been around for ages. Therefore, sailors just starting out can find inexpensive, older monohulls. If you have a tight budget, you’ll probably start looking for a monohull.

Catamarans are newer to the market. Therefore, the initial purchase price of a catamaran is likely to be higher. Monohull buyers can often find a used, well-equipped, comfortable monohull for less than $100,000. Catamaran buyers usually spend upwards of $250,000 for a used cruising catamaran.

Because monohulls have been produced for so long, there is much more supply. The catamaran’s more modern pedigree means that there are always fewer catamarans on the market than monohulls. As more and more customers are drawn to the attractive living space and stable sailing offered by catamarans, demand keeps going up, while supply remains low.

Besides the higher up-front costs, catamarans are more expensive to keep and maintain. A monohull usually just has one engine. A monohull might have one head (bathroom) and will generally have less equipment. Monohulls have less space and storage, after all. Catamarans have twin engines, multiple heads, more hatches—more everything.

With more equipment, catamarans have higher maintenance costs. When a monohull owner services their engine, they have just one engine. A catamaran owner will need to service twin engines. Furthermore, each hull on a catamaran usually has separate and independent systems like bilge pumps, plumbing, fuel, water tanks, holding tanks…the list goes on.

A monohull owner will paint one hull bottom and wax only one hull. A catamaran owner will do everything twice. Therefore, the effort and cost of maintenance are often doubled on a catamaran.

Not only does it cost more money, it can also be harder to accomplish maintenance on a catamaran. You see, catamaran owners have fewer options to haul out. Most older boatyards have travel lifts that only accommodate boats up to 18 or 20 feet wide. Therefore, catamarans need to find a boatyard that has a large enough travel lift or a trailer to haul them. Because there is less supply and more demand for these larger travel lifts, the cost of hauling out a catamaran is often higher.

While some monohulls have lifting or swing keels and can reduce their draft, most catamarans have a shallow draft. This allows them greater flexibility while choosing anchorages. Even if a catamaran and monohull boat choose the same anchorage, the catamaran can get closer to shore and get better wind protection.

One final big difference between these two types of vessels is their ability to maneuver in tight spaces. Monohull sailboats are notoriously difficult to maneuver around docks and marinas. They often have poor visibility from the helm and difficult handling, especially in reverse. The single-engine design often requires a bow thruster, even on smaller boats.

The contrast that catamarans offer is pretty stunning. Even though they appear massive and ungainly in comparison, their twin engines mounted far outboard enable them to spin in their own length. Catamarans can be maneuvered in pretty much any direction using only differential thrust from the engines–all without a bow thruster.

Safety Considerations — Are Cruising Catamarans Safe?

Since most people have only limited experience with these vessels, many people wonder are catamarans safe. Even though they have been making large cruising cats for decades now, most of us have only really played on Hobie cats at the beach. And if there’s one thing we know about Hobie cats, it’s that they’re a lot of fun until you flip it over!

Here’s a look at a few safety considerations and how catamarans stack up against monohulls.

Catamaran stability — capsize potential
Hull breaches and sinking risk
Rigging failures
Designing for speed
Redundancy on board

So, can you capsize a cruising catamaran? The answer is yes, no matter what the fanboys and girls say. It is technically possible but highly unlikely. Cruising cats are massive, and in all likelihood, you’re more likely to break the rigging than flip the boat. But in rough seas and extreme conditions, it does happen even on modern catamarans.

If a monohull encounters strong winds and rough weather, it will heel and roll significantly—but it will keep righting itself. In dire conditions, the vessel could suffer a knockdown. But a monohull will always right itself after a roll—it has tens of thousands of pounds of heavy keel to ensure that it does. Of course, the rig and anything on deck will sustain serious damage in the process, but the boat will be upright in the end.

In the same scenario, while unlikely, a catamaran can capsize. And the catamaran will then remain capsized, with no possibility of righting itself.

One of the scariest risks at sea is that of a serious hull breach, one that a bilge pump couldn’t keep up with. For example, a boat could be holed by an errant floating object or suffer a stuffing box or through-hull failure.

If a monohull sailboat is holed, it could sink straight to the bottom of the ocean. The crew would be left with only a liferaft and whatever they were able to recover before the sinking.

But a catamaran is filled with foam and is (more or less) unsinkable. If a catamaran experienced a hull breach or capsizes, it would take on water and may become less habitable. However, it will still float. In many cases, not much of the boat is left above the water—but it’s still at the top of the water.

Boaters may be able to perform emergency repairs and get the boat to port themselves. Or, they may have to stay with their vessel until help arrives. In either scenario, the crew maintains access to supplies and can stay with a much larger vessel, increasing the likelihood of being found and rescued.

Some catamaran sailors are so certain of their vessels floating in all scenarios that they don’t even carry a liferaft aboard. This is fool-hearty, to say the least, given the crazy and unpredictable things that can happen to any boat on the ocean. But one scenario is equally scary for the monohull or the catamaran sailor and should convince everyone that any offshore vessel should have a liferaft—the possibility of an uncontrollable fire.

Rigging Safety

When wind speed increases, a monohull will heel over. This heeling motion sheds the excess power of the wind. Monohull boaters should pay attention to the weather and reduce sail to ensure they aren’t overpowering the boat. This is why knowing how to reef a sail is so important for all sailors.

However, on a catamaran, the sails and rigging take the increased load when wind speed increases. Catamarans don’t heel, and therefore, don’t shed excess power. If the weather becomes gusty and a catamaran has too much sail up, all that extra power is transferred to the sails and rigging.

This can cause a dangerous situation. For example, there have been reports of catamarans being de-masted in sudden gusts of wind. In a worst-case scenario, a catamaran could capsize if they are over-canvassed when experiencing extreme wind conditions.

Most monohulls have strong standing rigging. The forestay is connected to a solid structure, the hull. This means that the forestay has a strong, stable platform and gives a monohull better upwind performance. Monohulls also usually have backstays, which provide rigging redundancy.

On a catamaran, the forestay is attached to a crossbeam. Because the platform is not as rigid as a monohull’s hull, the forestay is not as strong. In addition, catamarans usually don’t have backstays, and therefore have less rigging redundancy.

The configuration of the rigging is another rigging consideration. On a monohull, the spreaders and shrouds are perpendicular to the mast. Most catamarans come with fractional rigs that don’t have backstays, and their shrouds are set far back. Because of this configuration, catamaran sailors can’t let their mainsails out all the way on a downwind run because the shrouds are in the way. This leads to less efficient sail shapes when sailing downwind.

However, catamaran sailors can rig their sails to sail wing-on-wing. While monohull sailors can also use this configuration with the help of a whisker pole, catamaran sailors have a nice, wide, stable platform to fly large downwind sails.

There’s no doubt about it–catamarans sail faster. Most articles and comparisons state that catamarans are about 20% faster than a similarly sized monohull. Catamarans have a lower wetted surface area and less drag than monohulls. They’re especially nice to sail in light winds, conditions that heavy cruising monohulls tend to not do well in.

While most cruising cats can’t sail upwind as high as monohulls can, they still win the race. However, if a catamaran has daggerboards and a good sail inventory, it can point as well as a monohull.

Many boat owners believe that speed equals safety, as you might be able to outrun an impending storm. That’s a debatable strategy since weather systems often move faster than any cruising boat can move. It has a lot more to do with planning and the decisions made by the skipper, in the end.

Furthermore, more speed means a rougher ride. A heavy, full-keeled monohull might not move very fast, but the sea-kindly and forgiving ride means a more comfortable and better-rested crew. This only goes to illustrate that the “more speed” argument is far more of a personal preference than many sailors admit—especially when it comes to long-distance cruising.

A faster boat provides a skipper with more options, but it does not ultimately equal inherent safety. That will always come down to the skipper and the crew, and the choices they make. A slow boat in the hands of an experienced and careful crew will always be safer than a fast racer under the command of an inexperienced and green crew. In other words, there is no replacement for seamanship and careful planning.

"Dragonfly" heads downwind in the lead during The Prince of Wales Trophy race sponsored by The Royal Nova Scotia Yacht Squadron, the oldest yacht club in the Americas.

Catamarans have two of everything. While this does equal double the cost and maintenance, it also provides redundancy. If a monohull’s single engine dies and there is no wind, they may have to call for a tow or wait for wind. If a catamaran’s left engine dies, sailors can just continue on the right engine.

Twenty years ago, the majority of boats completing circumnavigations were classic bluewater monohulls. Monohulls are considered safe and capable circumnavigators.

But today, catamarans are establishing themselves as the more desirable choice for many circumnavigators. Catamarans are fast, stable, and capable of crossing oceans. In addition, catamarans can carry significant supplies and offer redundancies. Plus, the extra space that catamarans provide also means that the crew will enjoy watersports like diving, paddle boarding, and surfing.

Since nearly all traditional routes are downwind “milk runs,” catamarans naturally excel along the way. If you take a look at the competing boats for the World ARC rally for the last few years, a definite trend is growing. More catamarans compete every year. Common entrants include Lagoon 450s and Antares 44s.

Shots from a boat trip to Orak Island Bay near Bodrum, Turkey. The Aegean Sea / Mediterranean

One of the most significant decision points when thinking about catamarans versus monohulls is your budget. If your budget is under $100,000, a monohull will be your best bet. If your budget is between $100,000 and $250,000, you can consider a smaller, older catamaran. Catamarans such as PDQs, Prouts, and Geminis will be in your budget. If you have a budget of over $250,000 and can afford higher dockage and maintenance costs, you can consider a catamaran.

Next, consider your comfort level. To try it out, you might want to charter both a monohull and a catamaran. Check out a sailing vacation in the BVI or with a company like Cruise Abaco. Taking classes at our local sailing school might also be helpful. https://cruiseabaco.com

Many folks are attracted to the larger, more comfortable spaces of a catamaran. However, some people feel more seasick on a catamaran and can’t get used to the motion. So a lot of your decision will come down to personal preference.

If you can’t imagine squeezing into a darker, smaller cabin in a monohull, then a catamaran might be calling your name. On the other hand, if you are a traditionalist who loves heeling and boats with a lot of teak, a monohull might be your dream boat. It’s just impossible to know how a boat will make you feel until you’ve experienced both.

Boaters often discuss the compromises involved in boat choices. Whether you choose a monohull or a catamaran, there will be some compromises involved. However, no matter which boat you choose, you can enjoy smooth sailing, beautiful anchorages, and some adventure along the way.

Worried about getting caught in severe storm conditions in your boat ? Visit our guide!

Which is better monohull or catamaran?

Both monohulls and catamarans are popular choices for cruising sailors. Which one is better depends entirely on your personal preferences and which boat is more comfortable and appealing to you. If you are on a tight budget, a monohull is your best choice. On the other hand, if you love large open living spaces, a catamaran will be the better option.

Which is safer catamaran or monohull?

When wondering are catamarans safe, always remember that the primary determinant of the safety of a vessel is its captain, not the vessel itself. Both monohull sailboats and cruising cats have important limitations that their skippers must know and abide by.

Some consider catamarans safer because they are virtually unsinkable. If it has a hull breach or capsizes, it will still float.

Others see the sea-kindly monohull to be the safer bet, as they are better designed to protect their crews from the elements in severe weather. They also cannot capsize, as their ballast provides a righting moment in all conditions. But on the other hand, if a monohull experiences a hull breach, it can sink.

Can catamarans handle rough seas?

Modern cruising catamarans are built strong enough to cross oceans and survive in all kinds of conditions. It might be an uncomfortable ride, but not an unsafe ride. In the end, it is the skipper of the boat who ensures its safety at sea. Good seamanship makes a far bigger difference in how a boat handles rough seas than the design of the boat does.

In extreme conditions, such as hurricanes or sudden gusty winds, catamarans can capsize. Once a catamaran has capsized, it won’t right itself. However, it will still float, although upside down. Heavy seas are more likely to cause maintenance and chafing issues on both catamarans and monohulls.

Matt has been boating around Florida for over 25 years in everything from small powerboats to large cruising catamarans. He currently lives aboard a 38-foot Cabo Rico sailboat with his wife Lucy and adventure dog Chelsea. Together, they cruise between winters in The Bahamas and summers in the Chesapeake Bay.

Catamaran Vs Monohull

Last Updated by

Daniel Wade

August 30, 2022

Monohulls and traditional sailboats, once ubiquitous, are giving way to modern catamarans. But how do these designs differ?

Monohulls have a single hull, and catamarans have two hulls side-by-side. Catamarans are faster than monohulls of the same length and displacement, but monohulls are stronger and more spacious. Monohulls are also cheaper and easier to build than multi-hulls.

In this article, we’ll cover the differences between catamarans and monohulls, along with the benefits and drawbacks of each design. We’ll also cover the sailing characteristics of each and why catamarans so easily outrun equivalently-sized monohulls.

We sourced the information used in this article from trusted sailboat design resources, along with manufacturer specifications and boat market analysis.

Table of contents

‍ What is a Catamaran?

Catamarans are a kind of multi-hull sailboat with two hulls joined together. They are often short and wide, resembling a square or rectangle from above.

Catamarans are colloquially distinct from outriggers, which are double-hulled vessels with one large primary hull and a small outboard stabilizing hull.

Catamarans usually have hulls that mirror each other, both in size and arrangement. Sometimes, the interior layouts are mirrored, too—but this varies between designs and manufacturers. Catamaran hulls are narrower and taller than most monohull designs of equal lengths.

Catamarans have limited commercial and military utility, as these applications favor space and ease-of-construction over handling characteristics. That said, there are some commercial uses for catamaran designs—most commonly passenger and car ferries.

What is a Monohull Sailboat?

A monohull is probably what you traditionally think of as a boat. Monohulls are longer than they are wide. It features a single hull—it’s that simple. Sailing monohull designs have evolved over the centuries into many distinct types, usually distinguished by keel type.

Monohulls come in many shapes and sizes . For example, sailing monohulls designed for offshore use have long keels that sometimes extend much further below the waterline than the freeboard and cabin extend above it.

Monohull sailboats are also designed for other purposes, such as inland sailing and racing. These vessels have more contemporary characteristics, such as rounded shallow ‘canoe’ bottoms, V-bottoms, and fin keels.

Monohulls aren’t just sailboats. Virtually every cargo and container ship, warship, and many passenger ships are monohulls due to their strength, ease of construction, and high cargo capacity.

Are Monohull Sailboats More Common?

Monohulls are more common in every application, though multi-hulls are becoming more common for ferries. Monohulls have numerous benefits over multi-hulls, and these benefits only increase with scale.

Monohulls are easy to construct. They’re also cheap. Large monohull ships, such as container ships, can be built with very little material and effort. This is because the vast majority of the length of a monohull is just a box, with a bow and stern welded onto the end.

Sailboat construction is more intricate, but the costs are still lower. Plus, monohull designs are robust, and cabin space is plentiful. There’s a lot more study in the field of monohull design, which was the universal truth until somewhat recently.

But all in all, the reason why monohull sailboats are more common is that they work just fine. Most sailboat owners aren’t interested in breaking speed records or hosting dozens of people aboard their boats. As a result, a standard, simple, and easy-to-control monohull are more than sufficient.

Are Catamarans Faster than Monohulls?

Catamarans are most certainly faster than monohulls. This is almost always the case. Even the fastest production monohulls can’t hold a candle to the average cruising catamaran.

But why is this the case? Aren’t catamarans restricted by the same hydrodynamic forces as monohulls? As it turns out, they aren’t. This has to do with the unusual way hull waves impact speed.

Hull Speed Limitations

Monohull speed is limited by something called hull speed. Hull speed is determined using a formula that calculates the maximum speed a displacement hull can travel under normal power and conditions.

When a displacement hull moves through the water, it kicks up a set of waves at the bow and stern. These waves travel along the side of the vessel and create drag, which slows down the boat. Normally, the power of the wind can overcome this drag—but only to a point.

At a certain speed, the waves kicked up by the bow will sync with the waves kicked up at the stern and begin ‘working together’ against the boat. The speed at which this occurs is the hull speed, which is calculated from the length of the boat.

Hull speed limitations for monohulls aren’t universally true all the time. Some vessels exceed it, and some don’t—but the number is a useful estimate of the limitations of monohull designs. Modern monohulls with clever hull shapes can defeat hull speed calculations.

Do Hull Speed Limitations Apply to Catamarans?

Surprisingly no—hull speed calculations don’t work for catamarans. This is because, for one, the hulls are shaped differently. Alone, catamaran hulls wouldn’t float correctly. But together, they create different hydrodynamic effects and cancel out the effects of hull speed.

This means that catamarans can easily exceed the speeds of even the fastest monohulls of equal length—and sometimes beat them by a margin of 50% or more. It’s not unheard of for 40-foot catamarans to exceed 20 knots, whereas 40-foot monohulls rarely get past 10.

Are Catamarans More Comfortable than Monohulls?

Catamarans can be much more comfortable than equivalently-sized monohulls—up to a point. This is because catamarans engage in ‘wave piercing’ and have a wider and more stable footprint on the water.

Catamaran hulls, when properly designed, can slice through parts of a wave instead of riding over every peak and trough. This effectively reduces the height of the weight, which reduces the amount the boat rolls.

Additionally, the wide footprint of a catamaran allows some waves to simply pass right under it, keeping the boat level for longer durations. Catamarans also don’t heel under sail—instead, they plane slightly, raising the bows out of the water and reducing bumps.

Monohull Benefits

Monohulls are proven in all conditions. A well-designed displacement monohull sailboat can ride out the strongest storms, and monohull workboats can support enormous loads and move them efficiently. They can be fast, comfortable, and also easy to sail (even for beginners).

Monohulls are cheap to build and forgiving, as precision doesn’t have to be microscopic to get them to sail right. They’re robust and strong, featuring a naturally stress-resistant hull shape. They’re also easy to modify and aren’t required to meet as strict of dimensional ratios to operate.

With a monohull sailboat, you have a lot of interior room to work with. This means that monohulls are available in numerous cabin layouts and are just as easy to modify as they are to build. Monohulls often have a center of gravity at or below the waterline, which enhances stability at steep heel angles.

On the water, displacement monohulls can weather extreme conditions with ease. They lack the initial stability of multi-hulls, but they can recover from knockdowns on their own, and they’re very difficult to push past their rollover point.

Why do Catamarans Cost More than Monohulls?

Catamarans cost more than monohulls because they’re more expensive to build, more complex to engineer, and require more material. This isn’t always the case, but the design of catamarans requires much more careful engineering and strength-of-materials analysis than comparatively simple monohulls.

There are several critical structural points on catamarans that monohulls lack. In fact, the very shape of a monohull is physically strong—so it has inherent durability. Catamaran hulls must be joined in the middle, and the mast must have a strong point far from the inherently sturdy hulls.

This requires stronger materials and more care during design or construction. This is why catamarans remain a premium part of the sailboat market and why they still aren’t the most popular sailboats despite their numerous performance and comfort benefits.

Catamaran Cabin Layout

Catamaran cabins are split between the two hulls, and there’s usually a large pilothouse in the center. Pilothouse catamarans can be quite spacious, primarily due to the large space between the hulls.

The pilothouse is usually where kitchen and sitting areas are located, along with cockpit access and the controls of the sailboat. The mast is also located in this area.

Catamaran cabins sometimes mirror each other. For example, each hull may contain two identical bedroom/bathroom combos, while the center console area contains the kitchen and living spaces.

The two identical hulls sometimes make for unusual design decisions (such as small catamarans with four master bedrooms), but owners say this gives their passengers a much better experience than a monohull cabin.

Monohull Cabin Layout

Monohull cabins, with the exception of split-cabin sailboats with a center cockpit, have only one large interior space to work with. It’s usually much wider than catamarans of equal length.

Monohull cabins are usually accessible from the bow (via a flush deck hatch) and the stern via a traditional companionway. They run the span of the hull between the bow and the cockpit and sometimes include spare berths under the cockpit seats.

These spare berths are often used as convenient sea cabins, as they offer quick access to controls in case of an emergency. Catamarans often have convertible berths in the center console for the same reason.

Monohull cabins are traditional and include everything that catamaran cabins do—albeit with slightly less room overall. That said, individual spaces are often much wider, and facilities are more appropriate.

I've personally had thousands of questions about sailing and sailboats over the years. As I learn and experience sailing, and the community, I share the answers that work and make sense to me, here on Life of Sailing.

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Why Choose a Trimaran over a Monohull?

Why choose a trimaran over a monohull:.

Corsair Trimarans provide safe sailing excitement for the whole family

The first item on this list might surprise you. But trimarans are exceedingly safe – in fact many, including all of the Corsair trimarans , are virtually unsinkable. They’re foam cored, and relative to the displacement of the boat, the buoyancy of the materials is very high. Even were a Corsair to be fairly well destroyed (think passenger ferry) the remaining debris would remain at the surface providing something to cling onto. But there are some other interesting stats as well. Kids love trimarans – the nets make for great fun. And were they to fall into the water its reassuring that there are so many places for a person (or child) overboard to grab onto – see the net lines and the beams themselves in the picture to the right. There are also good places at the main transom to haul out a wet, heavy, miniature crewmember.

No gimmicks. Trimarans simply deliver stunning speed without foils, wings or electronic aids. Speed might have slipped from number 1 factor to number 2 in recent years – and given the advent of foiling monohulls you might think that’s fitting. But consider the costs involved in foiling monohulls and you’ll quickly find that Corsair trimarans have a far greater dollar-to-knot ratio. Operationally, trimarans are now seen as almost conventional in high-speed terms. So you can clock up 20-knot plus speeds with a boat that has a 35-year track record of success and safety, and without the need for professional crew.

For a trimaran, this counts as “heeling”

While you, the reader are no doubt the hardiest of sailors, there’s also no doubt that not everybody you sail with will be! Corsair trimarans, and most others, have a max heel angle of 12-14 degrees depending on the model. That’s “flat sailing” in monohull terms. And it means that rudders and daggerboards keep a reassuring grip and the speed therefore feels more effortless on the helm. That surefootedness transfers over to your crew – they’ll detect the confidence in the boat and the skipper.

Small Marina Footprint

Fold up and take only a small marina berth or land space

To achieve anything like the speed, and just a bit of the stability and comfort underway, you’d need a relatively large monohull by comparison. But due to the folding mechanism, a Corsair trimaran keeps a very modest marina footprint. Better still, they can be lifted (when folded) and are therefore easy to keep ashore. Want to keep your boat in the water but worried about growth on the floats/pontoons? Anti-fouling wraps from 3M are available from Corsair dealers – remarkably long lived, these are easily replaceable, and maintain a very quick surface. Boat bags, which keep growth away from the floats and main hull, are available for mooring and marina use.

Above Deck Space

Check out the huge unfolded beam of the 24-ft Corsair 760

Anyone with children will immediately identify with this one – Corsairs are fantastic for their wingnet and bownet space. When unfolded, the huge beam provides pound-for-pound the best boating platform around. The nets are often used as sleeping hammocks in extremely hot climates – not just for an afternoon nap, but actually during the night. And most trimarans can be fitted with a bimini, sail shade, or canopee when the sun is strong.

Trimarans are Synonymous with Trailerability

The new Corsair 880 Trimaran will be the Ultimate Trailer-sailer

In the next article, we’re taking a deeper look at trailering trimarans through an interview with the undisputed supremo in trailering tri’s – our very own dealer Werner Stolz from Germany. Trailerability is absolutely central to creating a new holiday experience every year, and for the racers it opens up a whole new world of high speed multihull regattas. That’s why Corsair trimarans are built light – of course it improves your sailing speed, but it also keeps your trailering weight down and reduce road risk. And that’s why the floats fold underneath – so your boat doesn’t get longer on the trailer when folded. For those who don’t want to commit to the same sailing grounds every year there’s no better solution than a Corsair folding trimaran.

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Catamaran VS Monohull: what should you choose to sail around the world?

Sailing around the world is a dream come true: you discover the world to the rhythm of the wind and the stopovers, exploring new destinations every day as you sail. If you’re just starting to read this article, you’re probably nurturing this project. Are you planning to sail around the globe? Then the choice of ship for your next voyage is crucial. It alone will determine how you experience this adventure! Catamaran VS Monohull : Do you know the differences between single-hulled and double-hulled sailing yachts for an ocean voyage? What are the advantages of sailing around the world in a catamaran, rather than a monohull?

Aboard a multihull, greater comfort and stability

When you decide to sail around the world, whether you’re going alone, as a couple or as a family, you’re always leaving your home and comforts behind to move aboard a monohull or catamaran. While you’ll always have to get used to living in different spaces, in a changing environment, the living space on each boat can vary. So, if you’re setting off on an adventure on a monohull, for example, you’ll inevitably have less living space than in a unit made up of two hulls. It’s up to you to work out how much living space and storage volume you need, depending on the crew you’re putting together!

The length of the hull, of course, will have a big influence on the interior layout of the boat and its facilities: the number of cabins, washrooms and the width of spaces often depend on the waterline length of a boat. Fortunately, choosing a larger catamaran for greater living comfort doesn’t mean sacrificing sailing comfort. Bénédicte Héliès, owner of the first Outremer 55, Saga, confided as much to our yard: “After our first round-the-world trip on our Outremer 51, our children were growing up and taking up more space, so we wanted a saloon that was a little more spacious, but just as easy to manoeuvre. We were delighted! Our new catamaran has proved to be very agile in light airs despite its size, powerful in a breeze and comfortable at sea. The platform is exceptionally spacious for such a seaworthy boat, and the living space in the saloon is very appreciable.

As you know, the comfort of a boat is mainly experienced when sailing. By opting for a catamaran on a round-the-world trip, you will always choose to heel less than you would aboard a monohull yacht. When sailing or at anchor, you’ll notice the difference aboard a catamaran: by definition, it is much more stable!

Read also: Monohull to multihull – Nikki Henderson

The evolution of catamaran performance

The perception of catamarans has evolved considerably over the last few decades, from boats mainly associated with chartering to multihulls capable of competing with monohulls in terms of performance.

In the 1960s and 1970s, catamarans began to appear in regattas, where their speed potential was already evident. At the famous Transpacific Yacht Race, for example, catamarans such as the Seasmoke broke records, proving their ability to sail fast over long distances.

A catamaran’s ability to sail upwind and close-hauled, once considered inferior to that of monohulls, has been enhanced by slimmer, more efficient hull designs, as well as improvements in rigging and sails. These technological advances have enabled catamarans to achieve previously unattainable performances, making them suitable for fast and safe ocean crossings.

Bénédicte can testify to this development: “The catamaran we’ve chosen sails easily in light airs. From 4-5 knots, it moves under sail, whereas classic catamarans need 10 to 15 knots to move properly, depending on the points of sail. So we use the engine very little and sail almost exclusively.

On long journeys, sometimes the weather conditions are not as forecast. They can also change more quickly than expected. If, for example, there’s a storm approaching that we weren’t able to anticipate, a good sailboat will enable you to reach your destination more quickly. Bénédicte explains: “On our boat, being able to ‘swallow’ 250 miles a day is very interesting. This means we can shorten crossing times and avoid being caught out by bad weather, as most phenomena can be predicted within 4-5 days”.

In short, today’s catamarans are no longer simply cruising boats designed for coastal sailing. They represent a serious choice for sailors looking to combine comfort, performance and safety, capable of competing with monohulls in the most demanding sailing conditions.

Read also: Why every serious cruiser should go racing

On a round-the-world catamaran trip, make the most of stopovers

You’ve probably already decided which islands or ports you’d like to visit.

Bear in mind that some catamarans allow you to make the most of anchorages and places to stop off: with a shallower draught than most monohulls, many allow their owners to get closer to the coast and beaches. With a catamaran, you can choose anchorages less frequented by other yachts to make the most of your time, and disembark more easily.

When you arrive in port or at an anchorage, for mooring, anchoring or taking a locker, catamarans also generally have the advantage of being more manoeuvrable than monohull yachts. So your arrival at your port of call will be much easier.

When you sail around the world, you inevitably meet other crews who are also travelling, and with whom you always find things in common. If you like having people over, welcoming them aboard your catamaran will be ideal!

Continue navigation

40.000 miles and 3 years to get from La Grande Motte to La Grande Motte

Marijke and Mark sail the Outremer 55 Great Circle.

Since its launch in 2021, the boat has sailed around the world with the GLYWO 500.

Setting off on a catamaran with the best sailing weather

When you’re getting ready to set off on a sailing trip, it’s vital to find out about the seasons and weather phenomena in your chosen sailing area. Even before choosing your cruising destination or travel itinerary, or even selecting your yacht!

The Importance of Defining Success

In the Autumn of 2023, I ran a ‘Webinars for Women’ mini-series on transatlantic preparations. The first session was titled: “How to approach transatlantic preparation.” As I zoomed out of the nitty gritty of canned food recipes, spare parts inventories, and preventative sail repair and took a broader look at the framework for a successful crossing, I homed in on what I think the first and most important step is: defining your goal.

IMAGES

Catamaran vs Monohull: Pros, Cons & Main Differences
Sailing Trimaran Wayfinder / Jim Brown Searunner 34’
Catamarans vs. Monohulls on Charter
Catamarans vs Monohulls: Which is Better a Better Sailboat For You
Can’t decide between a monohull and a catamaran? A fast cruising trimaran could be the solution
Trimaran vs Catamaran: What are the Differences?

COMMENTS

Catamarans Vs. Monohulls: Choosing The Right Boat
Attach one line to each of the forward cleats and bring the loose ends to the center. Pick up the mooring with a boathook. String one line through the eye and bring it back to the same cleat. Repeat on the other side, keeping the lines the same length so the cat is centered.
Multihulls vs. Monohulls
The most noticeable thing about sailing a catamaran or trimaran vs a traditional monohull is the lack of heeling. Even when powered up, a cat or tri will rarely heel more than 5-10 degrees before it's time to reef.
Catamaran vs. Trimaran: The Differences Explained
While trimarans do provide a decent degree of livability, they fall short of catamarans in two regards. First, they heel more than cats, making it difficult to do things like cooking on board. Second, they support much less load than catamarans. To put things into perspective, some 45 feet (14 meters).
Catamaran vs Trimaran: Choosing the Perfect Multihull Vessel
When comparing trimaran vs. catamaran efficiency, the differences are minimal. Multi-hulled boats are more fuel-efficient than comparable mono-hulled boats due to their hull forms and their lighter weights. Multi-hulled boats also tend to have smaller displacement and shallower drafts than other boat styles.
Trimaran vs. Catamaran: What are the Differences?
Trimaran vs. Catamaran: Distinct Sailing Experiences. ... Trimarans can often increase their monohull sailing speed on almost every point of sail while cruising catamarans are usually 25-30 percent faster than a sailing monohull of the same length. Of course, when the boats are filled for cruising, these comparisons vary drastically. ...
Catamaran vs. Monohull: We Changed, Should You?
7. Shallow Draft Equals Better Anchorages. Catamarans have significantly shallower drafts than monohulls, allowing for safer anchorages closer to shore. Most catamarans in the 40-ft to 50-ft range draw between 3-ft to 4.5-ft, so they can anchor in places that a monohulls can not even consider.
Catamaran vs Monohull: Pros, Cons & Main Differences
Upwind sailing performance: While catamarans have the edge at straight-line speed, monohulls sail closer to the wind. When you're racing or you have to sail upwind to get to the next island, this can get you there faster. Sailing feel and responsiveness: The "feel" of sailing a monohull is much better.With a single hull, you'll feel wind pressure and trim adjustments immediately for a ...
Catamaran vs Monohull
Compared square-foot-for-square-foot, catamarans are much lighter than monohulls, which means they also slow down a lot quicker. For the most part, catamarans are easier to dock than monohulls, as they have two motors and two rudders which simplify things a lot. This also does away with the need for a bow thruster.
Trimaran vs Catamaran: What are the Differences?
Catamaran sails offer a sense of comfort and stability for extended cruising trips and luxurious living spaces, while trimarans are better on performance, safety - due to the increased width of their hulls - and speed when racing. Ultimately though, it all comes down to personal preference when it comes to choosing between a monohull, a ...
Catamaran vs. Monohull: Choosing your sailing path
Monohull vs. multihull: Making the right choice. Choosing between a monohull and a multihull depends on your preferences and intended use. Multihulls, including catamarans and trimarans, offer stability and space. Monohulls provide a classic sailing feel and are favored by those who appreciate tradition.
What is a Catamaran? Catamaran Boats Vs Monohull Vs Trimaran
The most significant differences between a catamaran and a monohull boat are their hull design. Catamarans feature two hulls connected by a bridge deck, while monohulls have a single hull. Key advantages of catamarans include greater stability, spacious living areas, and a shallower draft.
Trimaran vs catamaran: Which one to go for
Moreover, speed is a big advantage of trimarans and catamarans. Typically, these multihulls are 25-30% faster than a monohull of the same size. Trimarans vs catamarans: which one is better. Both trimarans and catamarans have their advantages and disadvantages which means that picking one over the other is not only hard but probably impossible.
Trimaran VS Catamaran
Speed: Trimarans are known for being faster than cats and single-hull boats. They can easily reach high speeds and are great for racing or long-distance cruising. Stability: Trimarans are more stable than catamarans due to their three hulls. Space: Trimarans are wide, but the interior is less spacious than catamarans.
Catamaran Vs Trimaran
Gabriel Hannon. August 30, 2022. As boatbuilders make faster and more luxurious multi-hulls for cruising and racing, it is time to settle the debate: Catamarans vs. Trimarans. Catamarans and trimarans have distinct characteristics regarding comfort, sailing performance, safety, and personal preference. The dual- or tri-hull designs both confer ...
Catamaran vs Monohull: The Great Sailboat Debate
Catamaran vs. monohull power. A monohull under auxiliary power may be faster than a catamaran in certain conditions, like powering against a strong wind. In other wind and wave conditions, the catamaran is often faster. Also, with an engines on each hull, the cat is often much more maneuverable in close quarters or at the marina.
Monohull vs Catamaran: A Deep Dive into Design and Performance
Monohulls, due to their keeled design, tend to excel upwind. Their ability to 'point' into the wind is usually superior to that of a catamaran. On the other hand, catamarans, with their lighter weight and reduced drag, often have the upper hand in downwind and lighter wind conditions. Another factor to consider is load carrying capacity.
Monohull or multihull: which is best for blue water?
Multihulls can be relatively quick in the right offwind conditions, but if they are heavily laden - as they will be for blue water cruising - there really is no significant speed advantage. The Gunboat 66 Phaedo 1 piles on the speed, but for blue water cruisers, comfort and stowage is more important than pace.
Catamaran vs Monohull
Catamaran vs Monohull Safety. The mono gives lots of feedback about being overpowered long before it becomes a problem: heel angle and weather helm are the loudest. The cat is much more subtle: mast and boom groans, light windward pontoon, lack of steerability. Experiment with the main traveller position and reefing on a schedule per the owners ...
Monohulls or Catamarans
One of the most significant decision points when thinking about catamarans versus monohulls is your budget. If your budget is under $100,000, a monohull will be your best bet. If your budget is between $100,000 and $250,000, you can consider a smaller, older catamaran. Catamarans such as PDQs, Prouts, and Geminis will be in your budget.
Catamaran Vs Monohull
Monohulls have a single hull, and catamarans have two hulls side-by-side. Catamarans are faster than monohulls of the same length and displacement, but monohulls are stronger and more spacious. Monohulls are also cheaper and easier to build than multi-hulls. In this article, we'll cover the differences between catamarans and monohulls, along ...
Why Choose a Trimaran over a Monohull?
Corsair trimarans, and most others, have a max heel angle of 12-14 degrees depending on the model. That's "flat sailing" in monohull terms. And it means that rudders and daggerboards keep a reassuring grip and the speed therefore feels more effortless on the helm. That surefootedness transfers over to your crew - they'll detect the ...
Catamaran VS Monohull: what should you choose to sail around the world?
Bénédicte can testify to this development: "The catamaran we've chosen sails easily in light airs. From 4-5 knots, it moves under sail, whereas classic catamarans need 10 to 15 knots to move properly, depending on the points of sail. So we use the engine very little and sail almost exclusively. On long journeys, sometimes the weather ...
Sailboat Debate: Monohull vs. Catamaran
Aug 17, 2015. Two sailboat experts argue monohull vs. catamaran. Contributed by Denison Yacht Sales. The great debate over which is better—one or two hulls—boils down to several factors, each with distinct advantages and disadvantages. The verdict usually defaults to personal preference and intended use of the vessel, but that didn't stop ...

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Catamaran vs. Monohull: We Changed, Should You?

ADVANTAGES OF A CATAMARAN

2. A Catamaran is a Stable, Safe Platform Underway

3. Crew Fatigue Reduces on a Catamaran

4. Comfort at Anchor

5. Anchor Bridal Setup

6. Ease of Boarding on a Catamaran

7. Shallow Draft Equals Better Anchorages

8. Dinghy Davits & Dinghy Size

9. Interior Space and Comfort on a Catamaran

10. Redundancy on a Catamaran

11. Maneuverability

12. Rigging

DISADVANTAGES OF A CATAMARAN

2. Sailing Downwind

Our Own Catamarans & Monohulls

CONCLUSION: CATAMARAN vs MONOHULL

Estelle Cockcroft

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THE CATAMARAN VS THE MONOHULL – A COMPARISON

2. SAFETY . WHICH IS SAFER – A CATAMARAN OR A MONOHULL?

3. SPACE & DESIGN . WHICH IS MORE SPACIOUS AND PRACTICAL – A CATAMARAN OR A MONOHULL?

4. MANOEUVRABILITY . WHICH IS EASIER TO STEER, A CATAMARAN OR A MONOHULL?

5. SPEED . WHICH IS FASTER, A CATAMARAN OR A MONOHULL?

6. COST . WHICH IS MORE EXPENSIVE, A CATAMARAN OR A MONOHULL?