BoatsDufour Atoll 50

Dufour Atoll 50

Fractional Sloop · Fin keel, spade rudder · First built 2000

A Philippe Briand-designed fractional sloop with a wide 5.05-meter beam, built for spacious cruising comfort.

Designed by Philippe Briand.

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 light displacement on a moderate beam gives 23 — a moderate, middle-of-the-road motion.

Comfort ratio 23
CoastalBluewater

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

Capsize screening 2.12
LightHeavy

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

Displacement / length 122
EasygoingPowered-up

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

Sail area / displacement 20.7
TenderStiff

32% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 32%

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

  • Heavier than ~78% of boats her size on file
  • Draws less than ~82% of boats her size on file
  • Beamier than ~98% of boats her size on file

Compared with 1695 boats of the same type within a quarter of her length.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
32.2%
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
20.7
Displacement / length
122.1
Comfort ratio
23.2
Capsize screening
2.12
Hull speed
9.3 kn
Pounds / inch immersion
2861
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Production
Years built
First built 2000
Designer
Philippe Briand
Builder
Dufour

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.

Beneteau 5015.47 mSame hull family0.2 m longerA Farr-designed masthead sloop with a 2.3-metre bulb keel and a versatile layout marketed under multiple names
Jeanneau Yachts 5115.38 mSame hull familyNear-identical lengthA Philippe Briand-designed fractional sloop balancing a high comfort ratio with a performance-oriented sail plan
Beneteau Oceanis 51015.29 mSame hull familyNear-identical lengthA Philippe Briand-designed masthead sloop also marketed as the Moorings 510 and Stardust 515
Beneteau Oceanis 50015.32 mSame hull familyNear-identical lengthA Philippe Briand-designed masthead sloop with a wing keel, widely produced as the Moorings 500 and Prestige 500
Grand Soleil 50 (B&C)15.15 mSame hull familyNear-identical lengthA 2.9-meter draft fractional sloop featuring a collaborative design by Botin, Carkeek, and Attivo Creative
Beneteau Oceanis 5015.10 mSame hull family0.2 m shorterA 15.1-meter fractional sloop with a 1.7-meter draft, built for high-volume cruising on a proven hull platform

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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Nothing filmed of this one yet

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