Plans & Kits

Trailerable coastal cruising catamaran

A great family boatbuilding project! Build it in a weekend from a kit, or build it from plans using local materials.

Small enough to load on top of a car, but large enough to seat two adults...

This boat is happy playing near the beach, on portages or off on a two week canoe trip.

Simon found an older version of this boat back in the eighties and realized that its thousand-year-old design could be copied and preserved without too much difficulty. He measured it out in ’89 and Bill Nielsen lofted it and drew up the plans in ’91.

DIAPASON is a small cabin cruiser 7,50 m length. It is a modern, simple boat with racy lines, good performances and internal accommodations suitable for cruising.

Harbor Woodworks offers custom kits and boats, tailored to your specifications and level of completion. We ship to the U.S. and Canada.Some of John’s description follows --“There has been a lot of enquiry for a “bigger Navigator”.

When I first saw WoodenBoat Magazine’s boat design competition to design a modern wooden runabout, I was very excited. I’m sure most of the other competitors in this competition feel the same way.

A roomy auxiliary sloop in a small package.
Construction: Carvel planked over steamed frames.
Alternative construction: Cold-molded or strip.
Lofting is required.
Plans include 11 sheets.

ATLANTIC 550