Marine Service

Outermost Harbor Marine Service

Excellent, Top Quality Marine Service in Chatham, Cape Cod

Outermost Harbor Marine is one of the leading providers of marine service in Chatham 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 and delivery. 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 Ext. 2 or compete the contact form here.

Our hassle free marine service on Cape Cod includes but is not limited to:

 Engine repair and repower

Yamaha & Mercury Outboard Sales & Service

Paint and bright work restoration

Electrical systems repair

Marine electronics repair and installation

Canvas fabrication and repairs

Boat lettering

On-site boat storage

Yamaha Outboard Marine Maintenance
Yamaha outboard service

Qualified Master Technicians

Outermost Harbor Marine is proud to offer a Yamaha Certified Master Technician at our dealership. This is an outstanding achievement for the technicians who have attained such an accreditation. It takes 6 years of training to attain this distinction. Outermost has the only Master Tech on the lower Cape.

Peter Master Yamaha Technician

Extensive Parts Inventory

The Parts Department at Outermost has a large volume of stock to meet your needs. Most of our stock is for Yamaha  Engines, as well as parts for  Contender, Jupiter Marine, Scout, Cobia, Key West, Formula and Sea Ray boat lines and we offer parts for other lines also. However, if there’s any part that you need, Our Parts Department would gladly special order it for you. For more Parts information, contact us now.

Various Boat and Motor Repair Options

In addition to repairing engines, Outermost Harbor Marine also offers various other services. We have a skilled fiberglass and gelcoat crafter in our staff as well, who can do wonders in repairing damage and imperfections on boats.

Outermost Harbor Marine is truly a full service boat yard. From hauling and launching your boat, to complete engine service, our team is capable and prepared to handle your marine service needs.

  • The Lower Cape’s Only Yamaha Certified Master Technician
  • Marine Electronics Installations –
  • Certified NMEA, Garmin Installer
  • Certified NMEA, Raymarine Installer
  • Yamaha Certified Five Star Dealership
  • Mercury Marine Full Line Dealership
  • Over Fifty Years of Combined Service Experience
  • Detailing Services
  • Shrink Wrapping
  • Summer and Winter Storage
  • Pressure Washing
  • Bottom Painting
  • Voted best marina in Chatham
  • Boat Hauling and Launching
  • Mooring Service
  • Fiberglass and Gel Coat Repair
  • Towing
  • Home Pickup & Delivery
  • Captain’s Service
  • Forklift Service
  • Re-Powers
  • Boat Systems
  • Electrical Systems and Wiring

Tell us what you need the day before you need your boat and we will have it on your boat the next day. Is it Ice, water, food, parts,
something from the retail shop or a service? If you’d like your boat fueled prior to your arrival, just ask and consider your tank gassed up and ready to go! The cost is $60/day per boat plus item(s) requested.

We’re offering a new service where every Thursday we will:
• Start your boat
• Check all systems
• Make necessary repairs after discussing them with you
The cost is $215.00 per month or $60.00 per check.

Would you like your boat cleaned on a weekly or monthly basis? For all cleaning and detailing inquiries please contact