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Sailboat Specifications

Irwin 42

Masthead Sloop · Fin With Rudder On Skeg

Designed by Ted Irwin · Built by Irwin Yachts · First built 1976

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LOA 42.00 ft  ·  Beam 13.33 ft  ·  Displacement 29,000.00 lb  ·  Sail Area 899.00 ft²  ·  Masthead Sloop  ·  Fin With Rudder On Skeg
About the Irwin 42 Sailboat

Built during Irwin Yachts' heyday in the 1970s and 1980s, this 42-footer represents the Florida builder's commitment to creating comfortable, seaworthy cruising vessels for the growing recreational sailing market. Irwin established itself as a manufacturer that prioritized interior volume and sailing ease over racing performance, making their boats particularly appealing to couples and families seeking extended coastal cruising capabilities. The design philosophy behind Irwin's larger models emphasized practical comfort and reliable performance in moderate conditions. These boats typically featured generous beam measurements that translated into spacious accommodations below decks, while maintaining hull shapes that could handle coastal passages with confidence. The construction quality, while aimed at the production market, proved adequate for serious cruising applications. Irwin's reputation centered on creating boats that sailed themselves well, with balanced helm characteristics that reduced fatigue during longer passages. The company's focus on the cruising market meant thoughtful attention to systems integration and interior layout, making their vessels popular among sailors transitioning from smaller boats to serious coastal cruising platforms. Today, these boats represent solid value in the used market for sailors seeking proven cruising capability.

Dimensions & Specifications
LOA (Length Overall) 42.00 ft / 12.80 m
LWL (Waterline Length) 35.08 ft / 10.69 m
Beam 13.33 ft / 4.06 m
Max Draft 4.50 ft / 1.37 m
Displacement 29,000.00 lb / 13,154 kg
Ballast 12,000.00 lb / 5,443 kg
Sail Area (Reported) 899.00 ft² / 83.52 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Ted Irwin
Builder Irwin Yachts
First Built 1976
Related Sailboats Morgan 42 1 · Tartan 42 · Passport 42 · Whitby 42 · Lancer 42
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Engine & Accommodations
Horsepower 60
Fuel Capacity 110
Water Capacity 225
Frequently Asked Questions

What is the Irwin 42's sail area to displacement ratio?

The Irwin 42 has a Sail Area to Displacement ratio (SA/D) of 15.3. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Irwin 42's comfort ratio?

The Irwin 42 has a Ted Brewer Comfort Ratio of 38.32. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Irwin 42 safe for offshore sailing?

The Irwin 42 has a Capsize Screening Formula value of 1.74. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Irwin 42?

The theoretical hull speed of the Irwin 42 is 7.94 knots, calculated from its waterline length.

How much does a Irwin 42 weigh?

The Irwin 42 has a displacement of 29,000.00 lb and a length overall (LOA) of 42.00 ft.

Who designed the Irwin 42?

The Irwin 42 was designed by Ted Irwin, first built in 1976.