Irwin Yachts 37-1
Masthead Sloop · Fin With Rudder On Skeg · 1971–1975
A masthead sloop designed by Ted Irwin as a no-compromise cruiser, featuring a fin keel and skeg-mounted rudder
Designed by Ted Irwin.
- LOA
- Beam
- Draft (max)
- Displacement
- Ballast
- Hull type
- Fin With Rudder On Skeg
See her sail
The Irwin Yachts 37-1, on the water
The fleet's own footage — the truest look at how she really moves.
Footage from Be The Captain
Is it for you?
Character
Where this design lands on the numbers a shopper trusts — read straight from her own ratios.
LivelyComfort 34Sea-kindly
CoastalCapsize 1.76Bluewater
LightD/L 298Heavy
EasygoingSA/D 13.1Powered-up
TenderBallast 37%Stiff
A capable cruiser that sits just inside the offshore line — coastal work with real passages in her.
- Heavier than ~75% of boats her size on file
Compared with 2964 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.
Seen once across one channel of the fleet.
The record
Full specifications
The complete reference set — tap any figure to switch between metric and imperial.
Dimensions
Weights
Ballast / displacement
37.2%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
13.1
Displacement / length
297.6
Comfort ratio
33.5
Capsize screening
1.76
Hull speed
7.3 kn
Pounds / inch immersion
1233
Hull
Hull type
Fin with rudder on skeg
Construction
Fiberglass
Production
Years built
1971–1975
Designer
Ted Irwin
Builder
Irwin 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.
Hunter Marine 3711.28 mSame hull familyNear-identical lengthA John E. Cherubini-designed cutter featuring a fin keel and spade rudder, built for stable cruising since 1978
Rustler Yachts 3711.28 mSame hull familyNear-identical lengthA masthead sloop with a fin keel and skeg-hung rudder, designed by Stephen Jones for modern offshore cruising
Pacific Seacraft 3711.25 mSame hull familyNear-identical lengthOriginally launched as the Crealock 37, this cutter features a 38% ballast ratio and a hull speed of 7.06 knots
Swan 3711.13 mSame hull familyNear-identical lengthAn IOR 1-ton racer also marketed as the Palmer Johnson 37, featuring a masthead rig and a skeg-mounted rudder
Hanse Yachts 38811.40 mSame hull familyNear-identical lengthA 2017-launched cruiser featuring a 2.06-meter draft and a spade rudder for responsive handling in a modern 11.4-meter hull
Hanse Yachts 36011.32 mSame hull familyNear-identical lengthA 2024 fractional sloop featuring a high-volume hull and a 2.05-metre draft for stable, modern coastal cruising
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.
Irwin Yachts 37-3A Ted Irwin-designed cutter with a shoal-draft fin keel, built for comfortable cruising in shallow coastal watersIrwin Yachts 37-5The final iteration of the popular Irwin 37 series, this cutter features a shoal-draft fin keel and skeg-hung rudderIrwin Yachts 38-1A 1970 masthead sloop featuring a deep-draft keel-centerboard configuration and a spade rudder for shoal-water versatility
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