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.