The Newport 31 is an American sailboat, that was designed by Gary Mull and first built in 1987. The design is out of production.
The Newport 31 is a development of the 1968 Mull-designed Newport 30.
Production
The boat was built by Lindsay Plastics under their Capital Yachts Inc. brand in the United States, starting in 1987.
Design
The Newport 31 is a small recreational keelboat, built predominantly of fiberglass. It has a masthead sloop rig, an internally-mounted spade-type rudder and a fixed fin keel. It displaces and carries of ballast.
The boat has a draft of with the standard keel, but an optional shoal draft keel was also available.
The boat has a PHRF racing average handicap of 180 with a high of 180 and low of 180. It has a hull speed of .