Winter Harbor 21

Specifications
LOA30'8"
LWL21'3"
Draft5' 2"
Beam7'3"
Main and Jib Sail Area500 sq ft (46 m2).

A Winter Harbor 21 (also known as a Winter Harbor Knockabout) is a 31′0″ x 7′3″ one-design racing sloop designed and built by Burgess & Packard, of Marblehead, Massachusetts, in 1907.