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Sailboat Specifications

Dean 440

Fractional (7/8) Sloop · Catamaran Twin Keel

Designed by Peter Dean · Built by Dean Catamarans (Rsa) · First built 1998

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LOA 43.64 ft  ·  Beam 23.79 ft  ·  Displacement 22,046.00 lb  ·  Sail Area 1420.84  ·  Fractional (7/8) Sloop  ·  Catamaran Twin Keel
About the Dean 440 Sailboat

Finding comprehensive information about the Dean 440 can be challenging, as this sailboat model remains relatively obscure in mainstream boating circles. With limited specifications publicly available, prospective buyers often rely on firsthand accounts and scattered technical details to evaluate this vessel. Based on available information, the Dean 440 appears to be positioned as a mid-sized cruising sailboat, likely designed for coastal sailing and extended weekending. The boat's dimensions suggest accommodation for a small crew or family, making it suitable for those seeking a balance between manageable size and livable space. Without extensive production records or widespread ownership, the Dean 440 represents something of an enigma in the sailing world. This scarcity of information can be both intriguing and concerning for potential buyers who prefer well-documented vessels with established parts availability and service networks. For sailors considering the Dean 440, thorough inspection and professional survey become even more critical given the limited baseline data. The boat may appeal to those who appreciate unique or lesser-known designs, though buyers should prepare for potential challenges in finding technical support and replacement components compared to more mainstream sailboat models.

Dimensions & Specifications
LOA (Length Overall) 43.64 ft / 13.30 m
LWL (Waterline Length) 42.98 ft / 13.10 m
Beam 23.79 ft / 7.25 m
Max Draft 3.61 ft / 1.10 m
Displacement 22,046.00 lb / 10,000 kg
Sail Area (Reported) 1420.84
Design & Construction
Hull Type Catamaran Twin Keel
Rigging Type Fractional (7/8) Sloop
Construction GRP
Designer Peter Dean
Builder Dean Catamarans (RSA)
First Built 1998
Last Built 2006
Owner Reviews

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Engine & Accommodations
Horsepower 2x 40
Fuel Capacity 159 gals / 600 L
Water Capacity 159 gals / 600 L
Frequently Asked Questions

What is the Dean 440's sail area to displacement ratio?

The Dean 440 has a Sail Area to Displacement ratio (SA/D) of 29.03. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Dean 440's comfort ratio?

The Dean 440 has a Ted Brewer Comfort Ratio of 11.49. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Dean 440 safe for offshore sailing?

The Dean 440 has a Capsize Screening Formula value of 3.4. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Dean 440?

The theoretical hull speed of the Dean 440 is 8.78 kn knots, calculated from its waterline length.

How much does a Dean 440 weigh?

The Dean 440 has a displacement of 22,046.00 lb and a length overall (LOA) of 43.64 ft.

Who designed the Dean 440?

The Dean 440 was designed by Peter Dean, first built in 1998.