BoatsComet 31S

Comet 31S

Fractional Sloop · Fin w/bulb & Spade Rudder · First built 2011

A square-top main and gennaker-focused sail plan define this 10.4-metre fractional sloop built for speed

Designed by Sergio Lupoli, built by Comar Yachts.

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 16 — a quick, lively motion that feels every wave.

Comfort ratio 16
CoastalBluewater

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

Capsize screening 2.23
LightHeavy

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

Displacement / length 118
EasygoingPowered-up

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

Sail area / displacement 23.4
TenderStiff

28% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 28%

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
27.9%
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
23.4
Displacement / length
117.7
Comfort ratio
15.9
Capsize screening
2.23
Hull speed
7.6 kn
Pounds / inch immersion
1304
Hull
Hull type
Fin w/bulb & spade rudder
Construction
Fiberglass
Production
Years built
First built 2011
Designer
Sergio Lupoli
Builder
Comar Yachts

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.

J Boats Tillotson Pearson J/10510.52 mSame hull familyNear-identical lengthA 10.52-metre fractional sloop featuring a high 23.65 sail area-to-displacement ratio for agile, responsive handling
X-Yachts X-3510.61 mSame hull family0.2 m longerA 10.6-meter racer with a 25.18 sail area-to-displacement ratio, built for high-speed, competitive one-design sailing
Jeanneau 34.210.29 mSame hull family0.2 m shorterA Jacques Fauroux-designed masthead sloop widely favored for Mediterranean and Aegean charter fleets
Mirage 3310.21 mSame hull family0.2 m shorterA Robert Perry-designed masthead sloop offering a balanced, performance-oriented cruiser profile in a 33-foot hull
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
X-Yachts X-3410.36 mSame hull familyNear-identical lengthA Niels Jeppesen-designed fractional sloop balancing performance and comfort with a stiff, bulb-keeled 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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