Located on the “elbow” of Cape Cod, Outermost Harbor Marine offers a rare and exciting perspective on the natural beauty of Cape Cod. Outermost Harbor Marine offers complete marina sales and service.
  • Worlds sale leader for 3 years in the sales of Grady White Boats
  • Cleanest, Friendliest Marina located on the Pristine “Elbow” of Cape Cod
  • Seasonal and Transient Slips, Dry Racks and Moorings Check Availability
  • Fresh Water at Every Slip
  • 30 Amp Electric at each larger slips
  • Mooring Launch Service, Dinghy Dock
  • On-Demand Valet Rack Service
  • Quick Access to Nantucket Sound, South Beach and Monomoy
  • Plenty of Friendly Helpful Staff to Serve You
  • USCG Licensed Captains available for training and charters
  • Meticulously Maintained Modern, Safe Facilities • Voted best marina in Chatham
  • Stable, Modern Dock Systems
  • Plenty of Parking
  • Clean, Secure Customer Rest Room
  • Well-Stocked Marine Store including ice and snacks
  • ValveTect Marine Gasoline
  • Open 7 Days a Week, 8AM-5PM
  • Monitor VHF Ch. 80
Full Service Marina
Outermost Harbor Marine along with our partners at Hyannis Marina and Cape Yachts represent several new boat lines as well as pre-owned and brokerage listings. Let us help you get our on the water today! Boat Sales
For more than 25 years, Yamaha has led the industry in innovation. From the 2.5 horsepower portables, to the Offshore V8, 5.3L F350 powerhouse, Yamaha continues to consistently deliver the most technologically advanced and reliable outboards on the market today.Since 2002, Outermost Harbor Marine has been a Yamaha Certified Five Star Dealership, now with the Lower Cape’s only Certified Master Technician. Contact us today to learn more! Yamaha Outboards…
  • Consistent winner of The NMMA’s Customer Satisfaction Award
  • Legendary Reliability and Durability
  • Ease of Operation
  • Fuel Efficient and Environmentally Friendly
  • High Resale Value
  • Reliable Re-Power Solution
  • Industry Leading Warranty Coverage
  • Extensive Worldwide Parts and Service Network
Yamaha Sales & Service
Outermost Harbor Mariners Program (Captain Services) is now available to help Outermost Boaters feel more comfortable using their boats. Outermost will provide classroom instruction and personalized, onboard lessons to interested boaters.
Appointments are available at reasonable rates through the Outermost Service Department. WE CAN HELP YOU WITH:
  • Using Your Electronics
  • Establishing a Routine Owner Systems Inspection and Maintenance Plan
  • Boat Handling/Docking
  • Onboard Navigation Instruction
  • Familiarization with Local Waters
  • Vessel Safety Check
  • Offshore Cruise Preparation
  • Experienced Fishing Guides
  • And more!
Master Marine Captain Program
Outermost Harbor Marine is one of the leading providers of marine service on Cape Cod. We are a full service, year-round boat yard with fully trained Yamaha Master Technicians and a fully stocked parts department. We also offer Mobile Service options and boat pickup. Give one of our service coordinators a call and we will help you with whatever situation you may have. Contact the service department at 508-945-2030 or compete the contact form here.
Marine Service

Your One Stop Solution to Most Affordable Marina Services on Cape Cod

Situated on the elbow of Cape Cod, Outermost Harbor Marine has been named Best Marina in Chatham three years running and has been nominated for the Hall of Fame. We are a leading service provider and offer dry racks and moorings as well as seasonal and transient slips that come with launch and tune-up services on Cape Cod. We also offer new and used boats for sale on Cape Cod.

Explore beauty and nature on Cape Cod with quick access to Nantucket Sound, Nantucket, Martha’s Vineyard, South Beach and Monomoy Island, we offer a variety of services on Cape Cod; including birding tours, wildlife and seal tours, paddle board and kayak rentals, beach shuttles, and charter services for harbor cruising, Striped Bass fishing and Bluefin Tuna fishing.

Outermost Harbor Marine’s services on Cape Cod include marine services, Captain’s services, Yamaha service, beach shuttles and fishing charters. With plenty of friendly and helpful staff, we can address all your boating needs on Cape Cod and ensure an enjoyable visit.