Allen Harbor Marine Service, Inc.

Allen Harbor Marine Service in Harwich Port is celebrating its 90th anniversary in 2017. A full-service, family-owned boatyard and marina located on Allen Harbor with direct access to Nantucket Sound, 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.