Hyannis Marina of Hyannis is Cape Cod’s Largest New, Pre-Owned and Brokerage Boat Dealer for Searay Boats and Keywest Boat lines. With over 180 slips we can accommodate deep draft sailboats, motorboats and megayachts up to 200 feet in length. Professional boat service & engine repairs of all major brands including Mercury, Mercruiser inboard/outboard, Yamaha by certified technicians. We also offer large selection of Parts and Accessories to customer in Hyannis, Cape Cod and Massachusetts.