BoatsBeneteau Oceanis 331

Beneteau Oceanis 331

Masthead Sloop · Fin w/bulb & Spade Rudder · First built 1999

A versatile Group Finot-designed masthead sloop offered in multiple keel and cabin configurations for cruising or charter

Designed by Group Finot & Jean Marie Finot (Groupe Finot).

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/bulb & Spade Rudder

Is it for you?

Character

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

LivelySea-kindly

Her light displacement on a moderate beam gives 19 — a quick, lively motion that feels every wave.

Comfort ratio 19
CoastalBluewater

2.09 — right around the 2.0 line, the edge between coastal and offshore.

Capsize screening 2.09
LightHeavy

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

Displacement / length 156
EasygoingPowered-up

17.4 — moderate power for her weight; steady, all-round performance.

Sail area / displacement 17.4
TenderStiff

31% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 31%

Light and lively — happiest day-sailing and coastal-hopping in settled weather.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
31.1%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
17.4
Displacement / length
155.9
Comfort ratio
19.4
Capsize screening
2.09
Hull speed
7.4 kn
Pounds / inch immersion
1223
Hull
Hull type
Fin w/bulb & spade rudder
Construction
Fiberglass
Production
Years built
First built 1999
Units built
99
Designer
Group Finot, Jean Marie Finot (Groupe Finot)
Builder
Beneteau

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.

X-Yachts X-3510.61 mSame hull family0.3 m longerA 10.6-meter racer with a 25.18 sail area-to-displacement ratio, built for high-speed, competitive one-design sailing
Beneteau Oceanis 351 (1997 Version)10.50 mSame hull family0.2 m longerA Jean Berret-designed masthead sloop featuring a wing keel for shoal-draft cruising with a generous sail plan
Dehler Yachts 3410.10 mSame hull family0.3 m shorterAn IOR 3/4 ton racer-cruiser designed by Van de Stadt, offering a balanced performance pedigree in a comfortable hull
Jeanneau Sun Fast 330010.11 mSame hull family0.2 m shorterA high-performance offshore racer featuring a lightweight hull and dual rudders, designed by Andrieu and Verdier
Tartan Marine 34-210.49 mSame hull familyNear-identical lengthA Sparkman & Stephens masthead sloop featuring an extended stern and refined interior based on the Tartan 33R
Mirage 3310.21 mSame hull familyNear-identical lengthA Robert Perry-designed masthead sloop offering a balanced, performance-oriented cruiser profile in a 33-foot hull

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.

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