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Mechanical & Propulsion

 beta install Propulsion myriah head shot

Marine and Boat Engine Mechanical and Propulsion Services

Specializing in Gas, Diesel and hybrid marine engine repowers, repairs, troubleshooting and service.

SEA Marine offers a comprehensive array of propulsion and mechanical repair services for your engine room needs. Whether it is a routine oil change, a complete re-powering or design of custom fittings for your engine room, power & train, and exhaust systems; SEA is renowned for our marine mechanics and technicians in the Port Townsend, Seattle and Puget Sound area.

Ready learn more about our Mechanical and Propulsion Services? Contact us

SEA’s certified mechanics are well versed in most engine makes & models and work directly with our customers to help them understand the complexity of marine propulsion. Our specialized services & competitive rates are designed to keep your vessel functioning optimum performance. Our service department operates like our craftsmen – working by hand, one customer at a time.


Diesel Engines and Generators, Service and Installations

The reliability of your propulsion system is something you shouldn’t be worrying about when you are out on the water. SEA has manufacturer-certified technicians on staff, providing the highest quality of service. We specialize in all aspects of marine propulsion systems including; diesel & gas engines, generators and transmissions.


Sea Marine has years of experience in repowering both sail and powerboats and takes great pride in completing then in a thorough and timely manner. Our staff repowers vessels using a comprehensive approach examining all of the affected equipment to ensure a satisfying result. This includes ensuring that the engine is properly sized for the boat, prop and transmission; inspecting fuel lines, valves, strainer, shaft, exhaust, controls and panel.

For most owners a repower is the largest financial decision they will make regarding their boat. Allow SEA Marine to guide you through the process with a comprehensive estimate, thorough cost accounting and the talent to get the job done right.

Come SEA… The Difference

Industry Partners

  • Webasto
  • Volvo Penta
  • Kabola Heating Systems
  • ABYC Certified