Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Cutter
LOA: 47.50 ft
LWL: 37.00 ft
S.A. (reported): 997.00 ft²
Beam: 13.83 ft
Displacement: 29,125.00 lb
Ballast: 11,000.00 lb
Max Draft: 5.87 ft
Construction: FG
First Built: 1982
Last Built: 1985
# Built: 6
Builder: Islander Yachts (USA)
Designer: Ted Brewer

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Pathfinder
Type: Diesel
HP: 85
Fuel: 100 gals


Water: 255 gals

Sailboat Calculations

S.A. / Displ.: 16.92
Bal. / Displ.: 37.77
Disp: / Len: 256.69
Comfort Ratio: 33.91
Capsize Screening Formula: 1.80
S#: 2.12
Hull Speed: 8.15 kn
Pounds/Inch Immersion: 1,828.40 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 56.00 ft
J: 19.25 ft
P: 50.25 ft
E: 18.58 ft
S.A. Fore: 539.00 ft²
S.A. Main: 466.82 ft²
S.A. Total (100% Fore + Main Triangles): 1,005.82 ft²
S.A./Displ. (calc.): 17.07
Est. Forestay Length: 59.22 ft

Sailboat Links

Designers: Edward S. Brewer
Builders: Islander / Tradewind Yachts
Related Sailboats: MARINER 47 (BREWER)
Download Boat Record:


Also sold as MARINER 47.
Thanks to the designer, Ted Brewer for providing corrections.
Originally offered as a sloop or cutter.