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Nereia Herreshoff
Designer: L. Francis Herreshoff  ·  Builder: Nereia Yachts (Usa)  ·  First built: 1947
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About the Nereia Herreshoff

Bearing the legendary Herreshoff name, the Nereia is a sailboat steeped in the rich tradition of one of America's most celebrated yacht design dynasties. Nathanael Herreshoff and his successors produced vessels renowned for their elegance, performance, and engineering ingenuity, and the Nereia carries that heritage with quiet distinction. While detailed specifications for the Nereia remain limited, the Herreshoff lineage suggests a boat built with careful attention to hull form, balance, and sailing character. Herreshoff designs have long been prized for their responsiveness under sail and their ability to perform well across a range of conditions, making them appealing to sailors who value craftsmanship as much as capability. For prospective buyers, the Nereia is likely best suited to coastal cruising and daysailing, offering an enjoyable and rewarding sailing experience rooted in classic design principles. Those drawn to historically significant boats with genuine pedigree will find the Nereia particularly compelling. Researching available examples carefully and consulting with Herreshoff specialists or enthusiast communities is strongly recommended to uncover model-specific details and assess individual boat condition before purchase.

Core Dimensions
LOA (Length Overall) 36.50 ft / 11.13 m
LWL (Waterline Length) 31.75 ft / 9.68 m
Beam 11.00 ft / 3.35 m
Max Draft 5.25 ft / 1.60 m
Displacement 23,000.00 lb / 10,433 kg
Ballast 11,000.00 lb / 4,990 kg
Ballast Type Lead
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Ketch
Construction Wood/FG
Designer L. Francis Herreshoff
Builder Nereia Yachts (USA)
First Built 1947
Related Sailboats ["Tayana 37" · "Union 36" · "Ct 37" · "Mason 37" · "Tiburon 36"]
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Known Issues & What to Watch For

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Performance Ratios
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
47.83
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
320.81
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. 7.48 pounds/inch
Rig Dimensions
I (Foretriangle Height) 13.37
P (Mainsail Luff) 673.00 ft² / 62.52 m²
E (Mainsail Foot) Perkins
How It Compares

vs. Ct 37, Mason 37, Union 36

This boat Similar boats
Dimensions
LOA
Nereia Herreshoff ★
36.5 ft
Ct 37
36.7 ft
Mason 37
36.6 ft
Union 36
36.7 ft
LWL
Nereia Herreshoff ★
31.8 ft
Ct 37
31.8 ft
Mason 37
28.1 ft
Union 36
32.0 ft
Beam
Nereia Herreshoff ★
11.0 ft
Ct 37
11.5 ft
Mason 37
12.1 ft
Union 36
11.3 ft
Displacement
Nereia Herreshoff ★
23 lbs
Ct 37
23 lbs
Mason 37
21 lbs
Union 36
22 lbs
Ballast
Nereia Herreshoff ★
11 lbs
Ct 37
7 lbs
Mason 37
6 lbs
Union 36
7 lbs
Sail Area
Nereia Herreshoff ★
Ct 37
832 sq ft
Mason 37
586 sq ft
Union 36
Performance
PHRF Rating (lower = faster)
Nereia Herreshoff ★
Ct 37
192 s/nm
Mason 37
168 s/nm
Union 36
180 s/nm
SA / Displacement (higher = more powerful)
Nereia Herreshoff ★
Ct 37
16.1
Mason 37
12.0
Union 36
Ballast / Disp (higher = stiffer)
Nereia Herreshoff ★
47.8 %
Ct 37
Mason 37
Union 36
35.5 %
Comfort Ratio (higher = more comfortable offshore)
Nereia Herreshoff ★
Ct 37
42.9
Mason 37
40.1
Union 36
Capsize Screening (lower = safer)
Nereia Herreshoff ★
Ct 37
1.60
Mason 37
1.73
Union 36
Displacement / Length (lower = lighter)
Nereia Herreshoff ★
320
Ct 37
Mason 37
Union 36
299
Hull Speed
Nereia Herreshoff ★
Ct 37
7.6 kts
Mason 37
7.1 kts
Union 36
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