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Neptune 33
Designer: Alan Buchanan  ·  Builder: Tyler Boat Company (Uk)  ·  First built: 1964
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About the Neptune 33

Produced by Neptune Yachts, the Neptune 33 represents a mid-sized cruising sailboat designed with practicality and seakeeping in mind. While detailed specifications for this model are limited, the 33-foot LOA places it firmly in the versatile range that appeals to sailors seeking a capable coastal and nearshore cruiser with enough volume for comfortable weekend or extended passages. Boats in this class and era typically prioritize a stable, forgiving hull form that rewards moderate sailing conditions without demanding expert handling, making the Neptune 33 a reasonable choice for sailors transitioning from smaller boats or those looking for a manageable liveaboard or coastal cruising platform. The size lends itself well to single-handed or shorthanded sailing, a quality that has always attracted practical-minded buyers to this length range. For anyone researching the Neptune 33, tracking down original builder documentation, owner forums, and survey reports will be essential to filling in the performance picture. Connecting with current owners through sailing communities can provide invaluable insight into real-world handling characteristics, common maintenance considerations, and the overall ownership experience this boat delivers.

Core Dimensions
LOA (Length Overall) 32.74 ft / 9.98 m
LWL (Waterline Length) 25.00 ft / 7.62 m
Beam 10.00 ft / 3.05 m
Max Draft 4.00 ft / 1.22 m
Displacement 13,664.00 lb / 6,198 kg
Ballast 6,047.00 lb / 2,743 kg
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Ketch
Construction FG hull, wood deck
Designer Alan Buchanan
Builder Tyler Boat Company (UK)
First Built 1964
Last Built 1975
Owner Reviews

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Known Issues & What to Watch For

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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
 200
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
 44.25
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
 390.4
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. 5.36 pounds/inch
Rig Dimensions
I (Foretriangle Height) 15.11
J (Foretriangle Base) The center cockpit NEPTUNE 33 was also available in an aft cockpit version called NEPTUNIAN 33. Both were rigged as Sloops (SA: 452 sq. ft.) or Ketches.
P (Mainsail Luff) 538.00 ft² / 49.98 m²
E (Mainsail Foot) Perkins
Engine & Accommodations
Horsepower 37
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