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Herreshoff 37
Designer: Halsey Herreshoff  ·  Builder: Amapala Marine Sa  ·  First built: 1980
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About the Herreshoff 37

Built by the legendary Herreshoff Manufacturing Company, this 37-foot design carries the prestigious pedigree of America's most celebrated yacht builders. The Herreshoff name became synonymous with excellence during the golden age of yachting, producing multiple America's Cup defenders and establishing design principles that influenced generations of naval architects. While detailed specifications remain scarce, the Herreshoff 37 embodies the company's characteristic attention to craftsmanship and seaworthiness. Herreshoff designs typically featured fine entries, moderate beam, and elegant proportions that balanced performance with comfort—traits likely reflected in this model. The company's reputation for building boats that could handle challenging conditions suggests this 37-footer would be well-suited for both coastal cruising and extended offshore passages. Given Herreshoff's engineering philosophy, prospective owners can expect traditional construction methods, thoughtful deck layouts, and that indefinable quality of "rightness" that distinguished the Bristol-based builder's work. For sailors seeking a vessel with proven lineage and timeless appeal, the Herreshoff 37 represents an opportunity to own a piece of American yachting heritage, though thorough inspection would be essential given the limited available data.

Core Dimensions
LOA (Length Overall) 37.00 ft / 11.28 m
LWL (Waterline Length) 32.50 ft / 9.91 m
Beam 11.25 ft / 3.43 m
Max Draft 4.75 ft / 1.45 m
Displacement 12,000.00 lb / 5,443 kg
Ballast 5,250.00 lb / 2,381 kg
Sail Area (Reported) 593.00 ft² / 55.09 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Cat Ketch (unstayed)
Construction Wood/cold molded
Designer Halsey Herreshoff
Builder Amapala Marine SA
First Built 1980
Owner Reviews

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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
18.17
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
21.81
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. 7.64
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. Oyster 37, Passport 37, Valiant 37

This boat Similar boats
Dimensions
LOA
Herreshoff 37 ★
37.0 ft
Oyster 37
37.0 ft
Passport 37
37.0 ft
Valiant 37
37.0 ft
LWL
Herreshoff 37 ★
32.5 ft
Oyster 37
31.2 ft
Passport 37
29.6 ft
Valiant 37
31.6 ft
Beam
Herreshoff 37 ★
11.3 ft
Oyster 37
12.1 ft
Passport 37
11.9 ft
Valiant 37
11.5 ft
Displacement
Herreshoff 37 ★
12 lbs
Oyster 37
16 lbs
Passport 37
17 lbs
Valiant 37
17 lbs
Ballast
Herreshoff 37 ★
5 lbs
Oyster 37
7 lbs
Passport 37
6 lbs
Valiant 37
6 lbs
Sail Area
Herreshoff 37 ★
593 sq ft
Oyster 37
645 sq ft
Passport 37
673 sq ft
Valiant 37
667 sq ft
Performance
PHRF Rating (lower = faster)
Herreshoff 37 ★
Oyster 37
140 s/nm
Passport 37
138 s/nm
Valiant 37
SA / Displacement (higher = more powerful)
Herreshoff 37 ★
18.2
Oyster 37
16.0
Passport 37
16.1
Valiant 37
16.2
Ballast / Disp (higher = stiffer)
Herreshoff 37 ★
Oyster 37
44.0 %
Passport 37
Valiant 37
39.4 %
Comfort Ratio (higher = more comfortable offshore)
Herreshoff 37 ★
21.8
Oyster 37
28.1
Passport 37
31.1
Valiant 37
30.6
Capsize Screening (lower = safer)
Herreshoff 37 ★
1.97
Oyster 37
1.90
Passport 37
1.84
Valiant 37
1.79
Displacement / Length (lower = lighter)
Herreshoff 37 ★
Oyster 37
243
Passport 37
Valiant 37
240
Hull Speed
Herreshoff 37 ★
7.6 kts
Oyster 37
7.5 kts
Passport 37
7.3 kts
Valiant 37
7.5 kts
Speed Number (higher = faster)
Herreshoff 37 ★
Oyster 37
2.1
Passport 37
1.7
Valiant 37
2.2
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