Allen Harbor Marine Service

Allen Harbor Marine Service in Harwich Port is celebrating its 96th anniversary in 2023. A full-service, family-owned boatyard and marina located on Allen Harbor with direct access to Nantucket Sound. We are well-known for providing exceptional sales and service for the Cape and Islands’ boaters. Our sales department can help you find a boat best suited to your boating needs, or assist you with the sale of your current boat. Our service department provides year-round service performed by factory-trained technicians and customer service-oriented personnel to make your boating experience safe and enjoyable for the whole family. We specialize in the service of Yamaha & Honda outboards and Volvo-Penta inboards & stern drives. Shrink-wrapping, electronics, detailing, hauling, fiberglass repair and inflatable boat repair are also some of the areas that we excel in. At Allen Harbor Marine Service you'll find new Grady-White Boats,(offered in partnership with Cataumet Boats Inc.) North Atlantic Inflatables, Yamaha and Honda outboard engines. Volvo-Penta inboards/stern drives, Load-Rite trailers and quality pre-owned boats.