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Sailboat Specifications

Costantini 30

Masthead Sloop · Fin W/Spade Rudder

Designed by Gilles Costantini · Built by Costantini (Fra) · First built 1971

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LOA 30.35 ft  ·  Beam 9.91 ft  ·  Displacement 5,952.00 lb  ·  Sail Area 355  ·  Masthead Sloop  ·  Fin W/Spade Rudder
About the Costantini 30 Sailboat

With limited specifications available for public research, the Costantini 30 represents one of the more elusive designs in the 30-foot sailing yacht category. This Italian-designed vessel appears to have been produced in relatively small numbers, contributing to its scarcity in modern boat databases and making detailed technical information challenging to verify. Based on available evidence, this sailboat was likely intended for coastal cruising and moderate offshore passages, fitting the typical profile of European 30-foot designs from its era. The Costantini name suggests Italian craftsmanship, which historically emphasized elegant styling combined with practical Mediterranean sailing characteristics. Prospective buyers researching this model should expect to rely heavily on individual boat surveys and owner testimonials rather than comprehensive specification sheets. The limited availability of technical data means each example may vary more significantly than mass-produced alternatives, potentially offering unique characteristics but requiring more thorough inspection. For sailors drawn to distinctive designs with European heritage, the Costantini 30 may appeal despite documentation challenges. However, those requiring extensive specification comparisons or readily available parts and service networks might find more mainstream alternatives better suited to their needs.

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Dimensions & Specifications
LOA (Length Overall) 30.35 ft / 9.25 m
LWL (Waterline Length) 22.64 ft / 6.90 m
Beam 9.91 ft / 3.02 m
Max Draft 5.64 ft / 1.72 m
Displacement 5,952.00 lb / 2,700 kg
Ballast 2,976.00 lb / 1,350 kg
Sail Area (Reported) 355
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Gilles Costantini
Builder Costantini (FRA)
First Built 1971
Last Built 1976
Number Built 5
Related Sailboats Ericson 30 1 · Delta 94 · Joker S30 · Cc 12 Ton · X 95
Owner Reviews

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Frequently Asked Questions

What is the Costantini 30's sail area to displacement ratio?

The Costantini 30 has a Sail Area to Displacement ratio (SA/D) of 17.35. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Costantini 30's comfort ratio?

The Costantini 30 has a Ted Brewer Comfort Ratio of 17.37. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Costantini 30 safe for offshore sailing?

The Costantini 30 has a Capsize Screening Formula value of 2.19. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Costantini 30?

The theoretical hull speed of the Costantini 30 is 6.38 knots, calculated from its waterline length.

How much does a Costantini 30 weigh?

The Costantini 30 has a displacement of 5,952.00 lb and a length overall (LOA) of 30.35 ft.

Who designed the Costantini 30?

The Costantini 30 was designed by Gilles Costantini, first built in 1971.