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Sailboat Specifications

Coast 34

Cutter · Fin With Rudder On Skeg

Designed by Bruce Roberts/Grahame Shannon · Built by Cape Marine/Windward Marine Ltd. (Can) · First built 1980

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LOA 34.33 ft  ·  Beam 11.48 ft  ·  Displacement 15,750.00 lb  ·  Sail Area 625.00 ft²  ·  Cutter  ·  Fin With Rudder On Skeg
About the Coast 34 Sailboat

Built by Canadian manufacturers Cape Marine and Windward Marine Ltd. starting in 1980, this 34-footer represents a collaboration between designers Bruce Roberts and Grahame Shannon focused on creating a capable coastal cruiser. The cutter rig configuration provides excellent versatility for varying wind conditions, making it particularly well-suited for extended coastal passages and offshore adventures where sail plan flexibility is paramount. The boat's substantial displacement of 15,750 pounds, combined with a healthy 6,400-pound ballast ratio, delivers the stability and sea-kindly motion that serious cruising sailors appreciate. Its fin keel with rudder on skeg arrangement offers a good balance between performance and directional stability, while the moderate draft of 5.5 feet allows access to a reasonable range of harbors and anchorages. Construction features a fiberglass hull with Airex core, providing strength while keeping weight reasonable for the boat's size. The comfort ratio of 31.06 suggests motion characteristics well-suited to extended passages, while the capsize screening value of 1.84 indicates good offshore capability. With 625 square feet of sail area and a hull speed of 7.17 knots, the Coast 34 delivers respectable performance without sacrificing the seaworthiness that coastal and offshore cruisers demand.

Dimensions & Specifications
LOA (Length Overall) 34.33 ft / 10.46 m
LWL (Waterline Length) 28.67 ft / 8.74 m
Beam 11.48 ft / 3.50 m
Max Draft 5.50 ft / 1.68 m
Displacement 15,750.00 lb / 7,144 kg
Ballast 6,400.00 lb / 2,903 kg
Sail Area (Reported) 625.00 ft² / 58.06 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Cutter
Construction FG w/Airex cored hull
Designer Bruce Roberts/Grahame Shannon
Builder Cape Marine/Windward Marine Ltd. (CAN)
First Built 1980
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Engine & Accommodations
Engine Make Yanmar
Engine Model 3GM
Engine Type Diesel
Horsepower 27
Fuel Capacity 56 gals / 212 L
Water Capacity 110 gals / 416 L
Frequently Asked Questions

What is the Coast 34's sail area to displacement ratio?

The Coast 34 has a Sail Area to Displacement ratio (SA/D) of 15.97. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Coast 34's comfort ratio?

The Coast 34 has a Ted Brewer Comfort Ratio of 31.06. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Coast 34 safe for offshore sailing?

The Coast 34 has a Capsize Screening Formula value of 1.84. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Coast 34?

The theoretical hull speed of the Coast 34 is 7.17 kn knots, calculated from its waterline length.

How much does a Coast 34 weigh?

The Coast 34 has a displacement of 15,750.00 lb and a length overall (LOA) of 34.33 ft.

Who designed the Coast 34?

The Coast 34 was designed by Bruce Roberts/Grahame Shannon, first built in 1980.