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Sailboat Specifications

Irwin 37 5

Cutter · Fin With Rudder On Skeg

Designed by Ted Irwin · Built by Irwin Yachts · First built 1982

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LOA 37.00 ft  ·  Beam 11.50 ft  ·  Displacement 20,000.00 lb  ·  Sail Area 625.00 ft²  ·  Cutter  ·  Fin With Rudder On Skeg
About the Irwin 37 5 Sailboat

Built during Irwin Yachts' productive era in the 1980s, this 37-footer represents the Florida builder's commitment to creating affordable cruising sailboats for the growing recreational sailing market. Irwin consistently focused on delivering practical vessels that balanced performance with comfort, making sailing accessible to middle-class sailors seeking adventure without breaking the bank. This model reflects typical Irwin design philosophy with a moderate displacement hull optimized for coastal cruising and occasional offshore passages. The boat features a spacious interior layout that maximizes livability, a hallmark of Irwin's approach to cruising yacht design. Like other vessels in the Irwin lineup, this 37-footer likely incorporates a shoal draft keel configuration, enhancing versatility for exploring shallow anchorages and coastal waters. While not built for racing, these boats earned respect among cruising sailors for their seaworthiness and value proposition. Irwin's reputation centered on creating boats that everyday sailors could afford to purchase and maintain, making them popular choices for couples and families entering the cruising lifestyle. The model represents solid 1980s production boat construction, offering dependable performance for coastal exploration and extended cruising adventures throughout protected and semi-protected waters.

Dimensions & Specifications
LOA (Length Overall) 37.00 ft / 11.28 m
LWL (Waterline Length) 30.00 ft / 9.14 m
Beam 11.50 ft / 3.51 m
Max Draft 4.00 ft / 1.22 m
Displacement 20,000.00 lb / 9,072 kg
Ballast 7,800.00 lb / 3,538 kg
Sail Area (Reported) 625.00 ft² / 58.06 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Cutter
Construction FG
Designer Ted Irwin
Builder Irwin Yachts
First Built 1982
Last Built 1982
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Engine & Accommodations
Fuel Capacity 85
Water Capacity 187
Frequently Asked Questions

What is the Irwin 37 5's sail area to displacement ratio?

The Irwin 37 5 has a Sail Area to Displacement ratio (SA/D) of 13.62. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Irwin 37 5's comfort ratio?

The Irwin 37 5 has a Ted Brewer Comfort Ratio of 37.23. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Irwin 37 5 safe for offshore sailing?

The Irwin 37 5 has a Capsize Screening Formula value of 1.7. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Irwin 37 5?

The theoretical hull speed of the Irwin 37 5 is 7.34 knots, calculated from its waterline length.

How much does a Irwin 37 5 weigh?

The Irwin 37 5 has a displacement of 20,000.00 lb and a length overall (LOA) of 37.00 ft.

Who designed the Irwin 37 5?

The Irwin 37 5 was designed by Ted Irwin, first built in 1982.