Devlin designing boat builders 2424 gravelly beach loop rd. olympia, wa. 98502 (360) 866-0164 email sam devlin www.devlinboat.com. Sam devlin designs that are primarily motor powered, from smallest to largest. you can find everything from duckboats to cruising yachts here.. Woodenboat magazine for wooden boat owners and builders, focusing on materials, design, and construction techniques and repair solutions..