The Wavelength 35 is an American sailboat that was designed by Paul Lindenberg as a racer-cruiser and first built in 1980.
The Wavelength series of boats is named for the prototype Lindenberg 30 which was a boat named Wavelength.
The design was built by W. D. Schock Corp in the United States starting in 1983, but it is now out of production.
The Wavelength 35 is a racing keelboat, built predominantly of fiberglass, with wood trim. It has a masthead sloop rig, an internally mounted spade-type rudder and a fixed fin keel. It displaces .
The boat has a draft of and a hull speed of .