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Jason 35
Designer: Ted Brewer  ·  Builder: Miller Marine Corp. (Usa)  ·  First built: 1972
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About the Jason 35

Designed by renowned naval architect Ted Brewer in 1972, this substantial cruising sailboat represents classic American yacht design from the early 1970s. Miller Marine Corporation produced just 40 hulls during the boat's production run, making it a relatively rare find on today's market. The Jason 35's generous proportions and traditional lines reflect Brewer's philosophy of creating seaworthy cruising boats. With a displacement of 16,800 pounds and 6,200 pounds of ballast, this fiberglass yacht offers the stability and comfort serious cruisers demand for extended passages. The fin keel with rudder on skeg configuration provides a good balance of performance and directional stability, while the cutter rig allows for versatile sail handling in varying conditions. The boat's comfort ratio of 35.4 indicates excellent motion comfort for offshore passages, while the capsize screening formula of 1.75 suggests good stability for ocean sailing. These characteristics make the Jason 35 well-suited for coastal and offshore cruising rather than racing. The substantial construction and thoughtful design details reflect the era's emphasis on building boats to last, appealing to sailors seeking a proven platform for serious cruising adventures.

Core Dimensions
LOA (Length Overall) 34.50 ft / 10.52 m
LWL (Waterline Length) 27.33 ft / 8.33 m
Beam 11.17 ft / 3.40 m
Max Draft 5.00 ft / 1.52 m
Displacement 16,800.00 lb / 7,620 kg
Ballast 6,200.00 lb / 2,812 kg
Sail Area (Reported) 634.00 ft² / 58.90 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Cutter
Construction FG
Designer Ted Brewer
Builder Miller Marine Corp. (USA)
First Built 1972
Number Built 40
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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
 15.52
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
 36.9
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
 367.4
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
 35.4
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
 1.75
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. 7.01 kn
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. 1,090.79 pounds/inch
Engine & Accommodations
Engine Make Perkins
Engine Model 4-108M
Engine Type Diesel
Horsepower 52
Fuel Capacity 27 gals / 102 L
Water Capacity 95 gals / 360 L
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