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Oyster 37 Heritage
Designer: Holman & Pye  ·  Builder: Oyster Marine Ltd.  ·  First built: 1984
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About the Oyster 37 Heritage

A classic expression of British bluewater craftsmanship, the Oyster 37 Heritage carries the distinguished reputation of the Oyster brand into a package suited to serious offshore and coastal cruising. Oyster Yachts has long been synonymous with well-built, seaworthy sailboats designed for sailors who prioritize safety and comfort on extended passages, and the Heritage model reflects that philosophy throughout its design. Built with the quality of construction and attention to detail that Oyster enthusiasts have come to expect, this vessel is aimed at sailors looking for a capable bluewater cruiser that can handle demanding open-ocean conditions without sacrificing comfort below decks. The Heritage designation suggests a design that honors traditional cruising values — sturdy build quality, dependable offshore performance, and a layout oriented toward liveaboard practicality. With limited specifications readily available, much of what defines this boat lies in its lineage. For anyone researching a capable mid-sized cruising yacht with a respected pedigree, the Oyster 37 Heritage warrants serious consideration, particularly for couples or small crews planning coastal adventures or longer offshore passages.

Core Dimensions
LOA (Length Overall) 37.00 ft / 11.28 m
LWL (Waterline Length) 31.25 ft / 9.53 m
Beam 12.00 ft / 3.66 m
Max Draft 5.33 ft / 1.62 m
Displacement 14,534.00 lb / 6,593 kg
Ballast 6,000.00 lb / 2,722 kg
Sail Area (Reported) 610.00 ft² / 56.67 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Holman & Pye
Builder Oyster Marine Ltd.
First Built 1984
Last Built 1988
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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
16.45
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
24.89
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
1.97
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 7.49
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 1.0
How It Compares

vs. Passport 37, Swan 371, X 372

This boat Similar boats
Dimensions
LOA
Oyster 37 Heritage ★
37.0 ft
Passport 37
37.0 ft
Swan 371
37.0 ft
X 372
37.0 ft
LWL
Oyster 37 Heritage ★
31.3 ft
Passport 37
29.6 ft
Swan 371
29.7 ft
X 372
29.5 ft
Beam
Oyster 37 Heritage ★
12.0 ft
Passport 37
11.9 ft
Swan 371
11.4 ft
X 372
11.7 ft
Displacement
Oyster 37 Heritage ★
14 lbs
Passport 37
17 lbs
Swan 371
16 lbs
X 372
11 lbs
Ballast
Oyster 37 Heritage ★
6 lbs
Passport 37
6 lbs
Swan 371
5 lbs
X 372
4 lbs
Sail Area
Oyster 37 Heritage ★
610 sq ft
Passport 37
673 sq ft
Swan 371
X 372
593 sq ft
Performance
PHRF Rating (lower = faster)
Oyster 37 Heritage ★
Passport 37
138 s/nm
Swan 371
120 s/nm
X 372
95 s/nm
SA / Displacement (higher = more powerful)
Oyster 37 Heritage ★
16.5
Passport 37
16.1
Swan 371
X 372
19.0
Ballast / Disp (higher = stiffer)
Oyster 37 Heritage ★
Passport 37
Swan 371
35.4 %
X 372
43.1 %
Comfort Ratio (higher = more comfortable offshore)
Oyster 37 Heritage ★
24.9
Passport 37
31.1
Swan 371
X 372
20.6
Capsize Screening (lower = safer)
Oyster 37 Heritage ★
1.97
Passport 37
1.84
Swan 371
X 372
2.10
Displacement / Length (lower = lighter)
Oyster 37 Heritage ★
Passport 37
Swan 371
273
X 372
195
Hull Speed
Oyster 37 Heritage ★
7.5 kts
Passport 37
7.3 kts
Swan 371
X 372
7.3 kts
Speed Number (higher = faster)
Oyster 37 Heritage ★
Passport 37
1.7
Swan 371
X 372
3.0
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