BoatsJeanneau Sun Fast 31

Jeanneau Sun Fast 31

Fractional Sloop · Fin keel, spade rudder · 1991–1994

A 9.3-metre fractional sloop offering a shallow draft with an optional deep lead keel for versatile performance

Designed by Daniel Andrieu.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/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 moderate displacement on a moderate beam gives 17 — a quick, lively motion that feels every wave.

Comfort ratio 17
CoastalBluewater

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

Capsize screening 2.24
LightHeavy

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

Displacement / length 189
EasygoingPowered-up

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

Sail area / displacement 18.5
TenderStiff

39% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 39%

Powered-up and quick to accelerate — this one likes to sail.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
38.8%
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
18.5
Displacement / length
189.3
Comfort ratio
17.0
Capsize screening
2.24
Hull speed
6.7 kn
Pounds / inch immersion
957
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Ballast type
Mixed Iron/Lead
Production
Years built
1991–1994
Designer
Daniel Andrieu
Builder
Jeanneau

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-959.24 mSame hull familyNear-identical lengthA Niels Jeppesen-designed IOR half-tonner with a high sail-area-to-displacement ratio and an optional taller rig
First 30 E (Beneteau - Berret)9.30 mSame hull familyNear-identical lengthA 1981 International 1/2 Ton Cup winner based on the King One design, built as a masthead sloop for competitive racing
Beneteau First 3059.30 mSame hull familyNear-identical lengthA Jean Berret-designed masthead sloop offering versatile keel and rig configurations for coastal cruising
Maestro Boats 319.30 mSame hull familyNear-identical lengthAn E.G. van de Stadt-designed IOR 1/2 ton racer with a high sail area-to-displacement ratio for spirited performance
Hunter Boats Horizon 309.14 mSame hull family0.2 m shorterA David Thomas-designed fractional sloop with twin keels, offered in kit form for versatile shoal-water cruising
Newport 30-39.14 mSame hull family0.2 m shorterA cruising-oriented evolution of the Newport 30 featuring standard wheel steering and diesel power.

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.

Keep looking

Nothing filmed of this one yet

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

The newsletter

New boats, new stories, from everywhere.

One email from the fleet — boats newly added, videos newly analyzed. No noise.

Report an issue