BoatsGunboat 66

Gunboat 66

Catamaran, twin daggerboards · Fractional Sloop · First built 2007

Designed by Morelli, Melvin & Morrelli.

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran Twin Dbrd.

See her sail

The Gunboat 66, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from Catamaran Mistertong

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

Shoal draftDraws 0.67 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LightHeavy

64 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 64
EasygoingPowered-up

34.2 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 34.2

What the fleet has seen

The Gunboat 66, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The Gunboat 66 is a 20.1-meter fractional sloop catamaran designed by Morelli, Melvin, and Morrelli, built by Gunboat since 2007. It has a beam of 8.6 meters, a draft of 2.6 meters, and displaces 15,422 kg.0:53 The Gunboat 66 operates within a competitive market of performance catamarans, including brands like Balance, HH, and Outremer.1:05 Grand Large Yachting owns both Outremer and Gunboat.1:06

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Seen once across one channel of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
34.2
Displacement / length
63.7
Hull
Hull type
Catamaran Twin Dbrd.
Construction
FG/epoxy/nomex
Production
Years built
First built 2007
Designer
Morelli, Melvin, Morrelli
Builder
Gunboat

Boats like this, on the water

More boats like her, on the water

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Neel 5215.85 mSame hull family4.3 m shorterA high-performance trimaran from Marc Lombard featuring a massive 8.8-meter beam and a high sail-area-to-displacement ratio
INFLATABLE SAILS! The Future of Sailing?14:25from Sailing Nahoa
Outremer 5X17.98 mSame hull family2.1 m shorterA high-performance catamaran with daggerboards and a high sail-area-to-displacement ratio, designed for rapid blue-water cruising
The Untold Story of the World's Top Performance Catamaran Buildersfrom All About Sailing
Gunboat 5517.35 mSame hull family2.8 m shorterA Nigel Irens-designed performance catamaran with a high sail-area-to-displacement ratio for rapid offshore cruising
#197 When one disaster follows another...7:43from Catamaran Mistertong
Voyage Yachts 59017.72 mSame hull family2.4 m shorter
VOYAGE 590 Catamaranfrom Igor Stropnik
Bali 5.817.65 mSame hull family2.5 m shorterA 2024 Xavier Fay-designed catamaran featuring a high sail-area-to-displacement ratio for spirited performance
The ULTIMATE Family Charter Catamaran - Bali 5.8 Full Tourfrom Practical Sailor
Hh 5516.74 mSame hull family3.4 m shorterA 16.74-metre carbon catamaran with a high 33.37 SA/displacement ratio, built for rapid passage making since 2018
FILTERING THE LITERAL CRAP 💩 OUT OF THE OCEAN16:06from Gone with the Wynns

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

Gunboat 48Fractional Sloop · 14.74 mGunboat 55A Nigel Irens-designed performance catamaran with a high sail-area-to-displacement ratio for rapid offshore cruisingHh 66A 20-metre carbon catamaran with an aggressive 34.64 sail area-to-displacement ratio for elite-level speedGunfleet Marine 58A masthead sloop featuring a keel-centerboard configuration and dual rudders for deep-water stability and controlLagoon Sixty 5A 20-meter catamaran with a shallow 1.55-meter draft and a high sail area-to-displacement ratio for agile cruisingHh 55A 16.74-metre carbon catamaran with a high 33.37 SA/displacement ratio, built for rapid passage making since 2018

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