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Sailboat Specifications

Riviera 35 Westerly

Masthead Sloop · Fin With Rudder On Skeg

Designed by Ed Dubois · Built by Westerly Marine Ltd. (Uk) · First built 1988

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LOA 34.58 ft  ·  Beam 12.25 ft  ·  Displacement 15,212.00 lb  ·  Sail Area 580.00 ft²  ·  Masthead Sloop  ·  Fin With Rudder On Skeg
About the Riviera 35 Westerly Sailboat

Designed by renowned naval architect Ed Dubois and built by Westerly Marine between 1988 and 1992, this 35-footer represents a compelling blend of performance and cruising capability. With only 70 hulls produced during its four-year run, the Riviera 35 has become a sought-after example of late 1980s British yacht design excellence. The boat's fin keel with rudder on skeg configuration, combined with a masthead sloop rig carrying 580 square feet of sail area, delivers spirited sailing performance while maintaining good directional stability. Her SA/Displacement ratio of 15.17 indicates moderate performance potential, making her suitable for both coastal cruising and club racing. The comfortable 28.21 comfort ratio suggests she's well-suited for extended passages and offshore work. At 34.58 feet overall with a waterline length of 27.50 feet, she offers generous interior volume within her 12.25-foot beam. The substantial displacement of 15,212 pounds, with 5,291 pounds of ballast, provides excellent stability and seaworthiness. Her theoretical hull speed of 7.03 knots and favorable capsize screening ratio of 1.98 make her a confident choice for serious coastal and offshore cruising, backed by Westerly's reputation for solid fiberglass construction.

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Dimensions & Specifications
LOA (Length Overall) 34.58 ft / 10.54 m
LWL (Waterline Length) 27.50 ft / 8.38 m
Beam 12.25 ft / 3.73 m
Max Draft 4.67 ft / 1.42 m
Displacement 15,212.00 lb / 6,900 kg
Ballast 5,291.00 lb / 2,400 kg
Sail Area (Reported) 580.00 ft² / 53.88 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Ed Dubois
Builder Westerly Marine Ltd. (UK)
First Built 1988
Last Built 1992
Number Built 70
Associations Westerly Owners Association
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Engine & Accommodations
Engine Make Volvo
Engine Type Diesel
Horsepower 28
Fuel Capacity 55 gals / 208 L
Water Capacity 95 gals / 360 L
Frequently Asked Questions

What is the Riviera 35 Westerly's sail area to displacement ratio?

The Riviera 35 Westerly has a Sail Area to Displacement ratio (SA/D) of 15.17. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Riviera 35 Westerly's comfort ratio?

The Riviera 35 Westerly has a Ted Brewer Comfort Ratio of 28.21. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Riviera 35 Westerly safe for offshore sailing?

The Riviera 35 Westerly has a Capsize Screening Formula value of 1.98. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Riviera 35 Westerly?

The theoretical hull speed of the Riviera 35 Westerly is 7.03 kn knots, calculated from its waterline length.

How much does a Riviera 35 Westerly weigh?

The Riviera 35 Westerly has a displacement of 15,212.00 lb and a length overall (LOA) of 34.58 ft.

Who designed the Riviera 35 Westerly?

The Riviera 35 Westerly was designed by Ed Dubois, first built in 1988.