Winter Harbor 21
| Specifications | |
|---|---|
| LOA | 30'8" |
| LWL | 21'3" |
| Draft | 5' 2" |
| Beam | 7'3" |
| Main and Jib Sail Area | 500 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.