BoatsMoorings 3900

Moorings 3900

Catamaran, twin keels · Fractional Sloop · 2010–2014

A charter-focused catamaran featuring a continuous hardtop and raised helm station for improved visibility

Designed by Morelli, Melvin & Morrelli, built by Robertson.

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran Twin Keel

Is it for you?

Character

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

Shoal draughtDraws 1.12 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LightHeavy

189 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 189
EasygoingPowered-up

21.8 — plenty of sail for her weight; lively and quick to respond.

Sail area / displacement 21.8

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
21.8
Displacement / length
189.4
Hull
Hull type
Catamaran Twin Keel
Construction
Fiberglass
Production
Years built
2010–2014
Designer
Morelli, Melvin, Morrelli
Builder
Robertson, Caine

Boats like this, on the water

Nobody has filmed this one — but these are close.

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.

Leopard 3811.43 mSame hull familyNear-identical lengthA Morelli and Melvin-designed catamaran with a high sail area-to-displacement ratio for spirited performance
Where to Buy Cheap Catamarans4:07from All About Sailing
Seawind 117011.90 mSame hull family0.5 m longerA 2023-launched twin-keel catamaran designed for stable, modern cruising with a balanced 19.64 sail area-to-displacement ratio
VENICE BOAT SHOW 2026 ⛵ the most interesting sailboats at the boat show in the Arsenal23:42from Alfredo Contaldo
Lagoon 40011.97 mSame hull family0.5 m longerA VPLP-designed catamaran featuring a shallow 1.21-meter draft and a stable, high-volume hull for coastal cruising
Catamaran Crosswind Docking | Kill the Monohull Habits10:31from Epic Navigator
Leopard 40 (2015-2020)11.99 mSame hull family0.6 m longerA 12-metre catamaran featuring a 22.07 sail area-to-displacement ratio for a balance of speed and charter comfort
3 Boating Marine Tradesmen Talk Shop | Podcast Ep 145:32from The On Deck Channel
Lucia 4011.73 mSame hull family0.3 m longerA Berret-Racoupeau designed catamaran featuring a fractional sloop rig and a shallow 1.2-meter draft for coastal cruising
Fountaine Pajot Catamaran - Lucia 40 inside! Sailing Around the Worldfrom SAWLORS - Sailing Around the World
Lagoon 4011.74 mSame hull family0.3 m longerA 2017 successor to the 39 and 400 models, featuring a 1.35-metre draft and a high-volume twin-keel hull
Sailing Dominica.19:01from sailing vessel reality

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

Moorings 4600A 14-metre catamaran with a high 24.48 sail-area-to-displacement ratio, built for performance-oriented charteringLeopard 40 (2005-2009)A 12-metre catamaran with a 1.18-metre draft and a 25.28 sail area-to-displacement ratio for efficient cruisingLeopard 38A Morelli and Melvin-designed catamaran with a high sail area-to-displacement ratio for spirited performance

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

Search the fleet for boats like thisAsk the fleet about the Moorings 3900

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