BoatsIsland Packet 31

Island Packet 31

Cutter · Long Keel · 1983–1989

A 10.46-metre cutter with a shallow 1.22-metre draft, engineered for stable, long-distance cruising in shoal waters

Designed by Robert K. Johnson.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Long Keel

See her sail

The Island Packet 31, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from All About Sailing

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 22 — a moderate, middle-of-the-road motion.

Comfort ratio 22
CoastalBluewater

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

Capsize screening 2.07
LightHeavy

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

Displacement / length 230
EasygoingPowered-up

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

Sail area / displacement 17.2
TenderStiff

41% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 41%

A balanced, easily-driven cruiser — comfortable and forgiving for coastal work.

  • Draws less than ~83% of boats her size on file
  • Beamier than ~78% of boats her size on file

Compared with 429 boats of the same type within a quarter of her length.

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Basemap © Wikimedia Commons · CC BY-SA 4.0

On the water

The Island Packet 31 on video

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
40.9%
Rig & sail area
Rig
Cutter
Ratios
SA / displacement
17.2
Displacement / length
229.8
Comfort ratio
22.1
Capsize screening
2.07
Hull speed
7.1 kn
Pounds / inch immersion
1140
Hull
Hull type
Long Keel
Construction
Fiberglass
Production
Years built
1983–1989
Units built
262
Designer
Robert K. Johnson
Builder
Island Packet Yachts

Boats like this, on the water

More boats like her, on the water

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.

Hallberg-Rassy Rasmus 3510.52 mSame hull familyNear-identical lengthA long-keeled cruiser that transitioned from mahogany to GRP construction, offering a stable platform for blue-water sailing
Vancouver 34 Pilot10.44 mSame hull familyNear-identical lengthA Robert B. Harris-designed cutter featuring a deck saloon for protected cruising on a stable, long-keeled hull
Bayfield 30/329.75 mSame hull family0.7 m shorterA rare 32C variant featuring a tall rig, built in a limited run of five hulls for increased sail area
Wright Princess 3610.97 mSame hull family0.5 m longerA long-keeled masthead ketch available as a cutter, offering a stable 1.37-metre draft for versatile cruising
Morgan Yachts Out Island 3610.92 mSame hull family0.5 m longerA 1970s production cruiser featuring a 1.14-metre draft and a heavy ballast ratio for stability in shallow waters
Henry R. Hinckley Pilot 3510.90 mSame hull family0.4 m longerA Sparkman & Stephens fiberglass classic designed for Hinckley, featuring a long keel and available as a sloop or yawl

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

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