BoatsFishers Island 31

Fishers Island 31

Fractional Sloop · Long Keel · 1928–1946

A Herreshoff-designed fractional sloop conceived as a dedicated racing class for the residents of Fishers Island

Designed by A. Sidney DeWolf Herreshoff, built by Herreshoff Manufacturing Co.

LOA
Beam
Draft (max)
Displacement
Hull type
Long Keel

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 narrow beam gives 34 — a sea-kindly motion in a seaway.

Comfort ratio 34
CoastalBluewater

At 1.62 she sits well under the 2.0 line — a solidly ocean-capable hull for her size.

Capsize screening 1.62
LightHeavy

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

Displacement / length 257
EasygoingPowered-up

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

Sail area / displacement 20.0

Built heavy and sea-kindly — a boat made to cross oceans and forgive a rough night.

  • Draws more than ~82% of boats her size on file

Compared with 314 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
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
20.0
Displacement / length
257.1
Comfort ratio
34.2
Capsize screening
1.62
Hull speed
7.5 kn
Pounds / inch immersion
1191
Hull
Hull type
Long Keel
Construction
Wood
Production
Years built
1928–1946
Units built
14
Designer
A. Sidney DeWolf Herreshoff
Builder
Herreshoff Manufacturing Co

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.

Island Packet 4012.19 mSame hull family1.1 m shorterA 12.19-meter cutter featuring a 1.42-meter draft that balances offshore stability with shoal-water accessibility
Islander Yachts Freeport 4112.50 mSame hull family0.8 m shorterA long-keeled staysail ketch derived from the Islander 40MS, featuring an interior redesign by Robert Perry
Bristol Yachts 3911.89 mSame hull family1.4 m shorterA 1966 masthead sloop with a long keel, built for five years as a precursor to the long-running Bristol 40
Downeaster 3811.58 mSame hull family1.7 m shorterA 1974-era cutter with a 35.4 comfort ratio, built for stable, long-distance voyaging on a heavy-displacement hull
Whitby Boatworks 4212.80 mSame hull family0.5 m shorterAn Edward S. Brewer-designed long-keeled ketch built for offshore comfort and stability over a long production run
Island Packet 4413.41 mSame hull family0.2 m longerA 13.4-meter blue-water cutter with a 1.47-meter draft, balancing heavy-displacement stability with shoal-water access

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.

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