Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Centerboard Dinghy
Rigging Type: Fractional Sloop
LOA: 18.00 ft
S.A. (reported): 185.00 ft²
Beam: 6.58 ft
Displacement: 480.00 lb
Max Draft: 4.50 ft
Min Draft: 0.42 ft
Construction: FG
First Built: 1994
# Built: 100
Builder: Johnson Boat Works/Catalina Yachts
Designer: Rodger Martin

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

S.A. / Displ.: 48.35
Capsize Screening Formula: 3.36

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Designers: Rodger Martin
Builders: Catalina Yachts
Johnson Boat Works (USA)
Associations: Johnson 18
Download Boat Record:


Spinnaker asym. 190 sq. ft.
When Johnson Boat Works closed in 1998, the molds for the JOHNSON 18 were sold to Catalina Yachts. The number of boats built by Catalina is unknown (to us).