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Sailboat Specifications

Shark 50

Masthead Sloop · Fin Keel

Designed by Ribadeau-Dumas · Built by Cnac / Nautalu / Noralu · First built 1986

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LOA 52.50 ft  ·  Beam 12.50 ft  ·  Displacement 17,000.00 lb  ·  Sail Area 909.00 ft²  ·  Masthead Sloop  ·  Fin Keel
About the Shark 50 Sailboat

Designed as a capable and versatile offshore cruiser-racer, the Shark 50 occupies an appealing space for sailors seeking a larger performance-oriented vessel suited to serious bluewater passages and competitive sailing alike. With a hull length in the fifty-foot range, this is a boat built for those who want meaningful ocean miles without sacrificing the thrill of competitive sailing. While detailed specifications for the Shark 50 are limited in available records, boats of this size and designation typically reflect thoughtful naval architecture geared toward stability, speed, and seakeeping. The Shark name has been associated with performance-focused designs, and a fifty-foot platform suggests generous sail area, a comfortable offshore displacement, and accommodations suited for extended passages with a full crew. For prospective buyers, the Shark 50 warrants closer investigation through direct contact with builders, brokers, or class associations, as individual examples may vary in construction era, outfitting, and intended purpose. Those drawn to a boat of this scale will find it well-positioned for coastal racing, offshore passages, and adventurous bluewater cruising where both performance and endurance matter equally.

Dimensions & Specifications
LOA (Length Overall) 52.50 ft / 16.00 m
LWL (Waterline Length) 44.67 ft / 13.62 m
Beam 12.50 ft / 3.81 m
Max Draft 7.30 ft / 2.23 m
Displacement 17,000.00 lb / 7,711 kg
Ballast 5,000.00 lb / 2,268 kg
Sail Area (Reported) 909.00 ft² / 84.45 m²
Design & Construction
Hull Type Fin Keel
Rigging Type Masthead Sloop
Construction Aluminum
Designer Ribadeau-Dumas
Builder CNAC / Nautalu / Noralu
First Built 1986
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Frequently Asked Questions

What is the Shark 50's sail area to displacement ratio?

The Shark 50 has a Sail Area to Displacement ratio (SA/D) of 22.08. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Shark 50's comfort ratio?

The Shark 50 has a Ted Brewer Comfort Ratio of 19.34. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Shark 50 safe for offshore sailing?

The Shark 50 has a Capsize Screening Formula value of 1.95. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Shark 50?

The theoretical hull speed of the Shark 50 is 8.96 knots, calculated from its waterline length.

How much does a Shark 50 weigh?

The Shark 50 has a displacement of 17,000.00 lb and a length overall (LOA) of 52.50 ft.

Who designed the Shark 50?

The Shark 50 was designed by Ribadeau-Dumas, first built in 1986.