Jeff’s Marine is a year-round, full-service Yamaha and Duranautic dealership serving the Maine coast from Belfast to Boothbay. Our customers include hard-working fishermen, local boating enthusiasts, and vacationing families. Owned and operated continuously since 1982 by longtime Thomaston resident Jeff Armstrong, Jeff’s Marine has always made delivering excellent service its highest priority. Most of our customers have been with us for many years, if not decades, and we’re proud to call them friends.