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Sailboat Specifications

Gulfstar 47 Sailmaster

Masthead Ketch · Fin With Rudder On Skeg

Designed by Gulfstar/V. Lazzara · Built by Gulfstar Yachts (Usa) · First built 1978

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LOA 47.42 ft  ·  Beam 13.83 ft  ·  Displacement 38,000.00 lb  ·  Sail Area 923  ·  Masthead Ketch  ·  Fin With Rudder On Skeg
About the Gulfstar 47 Sailmaster Sailboat

Built during Gulfstar's production era in the 1970s and 1980s, this 47-foot sailboat represents the builder's approach to comfortable cruising vessels designed for American sailors seeking spacious accommodations and solid construction. Gulfstar earned recognition for creating boats that prioritized interior volume and livability, making them popular choices for extended coastal cruising and liveaboard situations. The Sailmaster configuration typically featured a center cockpit layout, providing excellent separation between the navigation station and guest accommodations. This design philosophy made these boats particularly appealing to couples planning extended cruising adventures or those wanting a floating home with generous interior space. While not known as racing machines, these vessels offered steady, predictable sailing characteristics that inspired confidence in coastal and offshore passages. The construction quality reflected Gulfstar's reputation for building robust boats capable of handling varying sea conditions, though their emphasis remained firmly on comfort over pure performance. Today, Gulfstar 47s represent solid value propositions for sailors seeking spacious cruising boats with proven offshore capabilities. Their enduring popularity among the cruising community speaks to the practical design decisions that prioritized comfort, storage, and seaworthiness over cutting-edge performance metrics.

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Dimensions & Specifications
LOA (Length Overall) 47.42 ft / 14.45 m
LWL (Waterline Length) 40.50 ft / 12.34 m
Beam 13.83 ft / 4.22 m
Max Draft 5.50 ft / 1.68 m
Displacement 38,000.00 lb / 17,237 kg
Ballast 10,500.00 lb / 4,763 kg
Ballast Type Lead
Sail Area (Reported) 923
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Ketch
Construction FG
Designer Gulfstar/V. Lazzara
Builder Gulfstar Yachts (USA)
First Built 1978
Last Built 1981
Number Built 79
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Engine & Accommodations
Fuel Capacity 195 gals / 738 L
Water Capacity 300 gals / 1,136 L
Frequently Asked Questions

What is the Gulfstar 47 Sailmaster's sail area to displacement ratio?

The Gulfstar 47 Sailmaster has a Sail Area to Displacement ratio (SA/D) of 13.12. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Gulfstar 47 Sailmaster's comfort ratio?

The Gulfstar 47 Sailmaster has a Ted Brewer Comfort Ratio of 41.73. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Gulfstar 47 Sailmaster safe for offshore sailing?

The Gulfstar 47 Sailmaster has a Capsize Screening Formula value of 1.65. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Gulfstar 47 Sailmaster?

The theoretical hull speed of the Gulfstar 47 Sailmaster is 8.53 knots, calculated from its waterline length.

How much does a Gulfstar 47 Sailmaster weigh?

The Gulfstar 47 Sailmaster has a displacement of 38,000.00 lb and a length overall (LOA) of 47.42 ft.

Who designed the Gulfstar 47 Sailmaster?

The Gulfstar 47 Sailmaster was designed by Gulfstar/V. Lazzara, first built in 1978.