Home/ Boats/ Gulfstar/ Gulfstar 50 Kth
Sailboat Specifications

Gulfstar 50 Kth

Masthead Ketch · Fin With Rudder On Skeg

Designed by Lazarra · Built by Gulfstar · First built 1980

+ Add to Compare
LOA 50.00 ft  ·  Beam 13.67 ft  ·  Displacement 35,000.00 lb  ·  Sail Area 964  ·  Masthead Ketch  ·  Fin With Rudder On Skeg
About the Gulfstar 50 Kth Sailboat

Built during Gulfstar's productive era of fiberglass sailboat manufacturing, this 50-footer represents the builder's commitment to creating substantial cruising vessels for serious offshore sailors. Gulfstar established a reputation for constructing solid, seaworthy boats that could handle extended passages and challenging conditions, and the 50 Kth continues this tradition. The design emphasizes comfort and capability over racing performance, making it well-suited for coastal cruising and offshore passages. Like other Gulfstar models from this period, the boat likely features a full keel configuration that prioritizes directional stability and seaworthiness over quick tacking ability. This characteristic makes it particularly appealing to cruisers planning extended voyages or those who value predictable handling in varied sea conditions. The accommodations typically reflect the era's approach to liveaboard cruising, with thoughtful use of interior space and emphasis on comfort during extended time aboard. While detailed specifications remain limited, the Gulfstar name carries weight among cruising enthusiasts who appreciate robust construction and time-tested design principles. For sailors seeking a capable passage-maker with proven offshore credentials, this model represents Gulfstar's dedication to building boats meant for serious sailing adventures.

Dimensions & Specifications
LOA (Length Overall) 50.00 ft / 15.24 m
LWL (Waterline Length) 39.67 ft / 12.09 m
Beam 13.67 ft / 4.17 m
Max Draft 5.50 ft / 1.68 m
Displacement 35,000.00 lb / 15,876 kg
Ballast 10,500.00 lb / 4,763 kg
Sail Area (Reported) 964
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Ketch
Construction FG
Designer Lazarra
Builder Gulfstar
First Built 1980
Owner Reviews

No owner reviews yet — be the first to share your experience with this boat.

Frequently Asked Questions

What is the Gulfstar 50 Kth's sail area to displacement ratio?

The Gulfstar 50 Kth has a Sail Area to Displacement ratio (SA/D) of 14.48. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Gulfstar 50 Kth's comfort ratio?

The Gulfstar 50 Kth has a Ted Brewer Comfort Ratio of 38.86. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Gulfstar 50 Kth safe for offshore sailing?

The Gulfstar 50 Kth has a Capsize Screening Formula value of 1.68. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Gulfstar 50 Kth?

The theoretical hull speed of the Gulfstar 50 Kth is 8.44 knots, calculated from its waterline length.

How much does a Gulfstar 50 Kth weigh?

The Gulfstar 50 Kth has a displacement of 35,000.00 lb and a length overall (LOA) of 50.00 ft.

Who designed the Gulfstar 50 Kth?

The Gulfstar 50 Kth was designed by Lazarra, first built in 1980.