The word 'mami' written in large, bold, dark blue letters.
Kohler logo with the slogan 'In Power Since 1920'
Logo with a large letter 'M' inside a circle, with a stylized wave or water design below it, set against a dark background.
Logo for SMART Gyro featuring a stylized spherical design with an orbit-like shape and the words "SMART GYRO" underneath.
Gold and black logo with an anchor within a detailed circular gear, and the words "Coastal Marine Engineering" below.
Yanmar logo with black and red design
Green oval logo with the text 'Whisper Power' in white.
Westerebke logo with red text and a stylized symbol resembling a

“If it carries your family, it deserves Coastal.”

Our
Services

  • Marine diesel engine service

    Marine Diesel engine service

    Scheduled maintainence

    Heat exchanger service

    Repowering

    Parts sales

  • Marine Generator Repair service

    Marine Generator Repair service

    scheduled maintainenece

    replacement

    Parts sales

  • Propeller, shaft, and cutlases

    Propeller, shaft, and cutlases

    Shaft seal replacement

    Cutlass bearing replacement

    Shaft trueing, prop balancing & repair

    All running gear work

  • Green Building icon

    Winterizing & Comissioning

    Winterizing engines, water systems, air conditioning

    Engine,water system, comissioning

GET IN TOUCH

Parts and Certified Service

Advertisement for Kohler power equipment featuring generator units, with text promoting reliability and branding.
Logo for Nami Energy featuring a stylized flame and the text 'nami' with the tagline 'Energy in Blue'.
Red industrial generator with diesel engine, set against an aerial view of a marina with boats, featuring the logo and name of Westerbeke Diesel Services of America.

Turbo Rebuilding Service

Restore lost power and efficiency with expert marine turbo rebuilding services. We precision-balance, recondition, and test each turbo to OEM standards, extending the life of your engine without the cost of full replacement. Whether you're chasing performance or reliability, our rebuilt turbos deliver like-new boost at a fraction of the price.

Nanni Marine Diesels deliver reliable, fuel-efficient power from 15 to 1600 horsepower, built on proven base engines from Kubota, Toyota, and Scania. Trusted worldwide for their durability, quiet performance, and ease of maintenance, Nanni engines are engineered for both recreational and commercial marine demands. When you need an engine that’s battle-tested and boat-ready, Nanni keeps you confidently underway.

Digital automotive dashboard display with a central RPM gauge showing 2850 RPM, battery voltage 13.2V, and hours 999.9. Various warning lights including oil temperature, fuel level, oil pressure, and engine temperature are visible, with some illuminated in red. The background is black, with blue and white accents and green and red indicator lights.
A white race car engine with blue air filters and brown lettering that reads 'JUDD'.

Repower with Nanni diesel

Blue industrial engine or motor with various components, hoses, and mechanical parts.

Ultrasonic Cleaning service

Two large, cylindrical automotive radiators with black cooling fins, placed side by side on a metallic work surface against a blue and white wall background.

Restore marine engine parts to like-new condition with our professional-grade ultrasonic cleaner. Using high-frequency sound waves, it penetrates deep into hard-to-reach areas, eliminating salt, grease, and carbon buildup without harsh chemicals. Save time, reduce labor, and extend the life of your components — it’s the smart way to clean.

Two electronic device filters or radiators with copper coils and metal frames, placed upright on a metal surface.
Logo for Glide Bearings and Seal Systems, offering dripless shaft seals and custom marine bearings.

No Drips. No Drama.

Glide Shaft Seals offer maintenance-free, dripless performance for ultimate reliability below the waterline. Built from high-grade composite materials and engineered for precision, they eliminate wear and water intrusion common with traditional stuffing boxes. Whether you're refitting or upgrading, Glide delivers smooth sailing and serious peace of mind.

Industrial pump with green and black components, flexible transparent hose, and metal clamps
Diagram of a GLIDE GMSS Ultra Shaft Seal showing labeled components including water supply, body, pressure plate, spare seal cover, install tool, stainless hardware, spare seal, primary seal, and hump hose.

Our
Projects

  • A man working on a boat engine using a hoist and chains in an engine compartment.

    New List Item

  • A person inspecting a large boat propeller submerged in water, with maintenance tools and equipment nearby.

    New List Item

  • The image shows a boat trailer with its axles removed for maintenance or repair. Tools and parts are scattered around on the ground underneath the trailer, including a hydraulic jack, a tube, a socket, and a screwdriver.

    New List Item

  • An engine is being hoisted into a vessel using a hoist and a metal beam, with tools and various objects around in a confined workspace.

    New List Item

  • Boats on land at a marina, with a boat labeled "Midnight Sun" in the foreground. The boat is supported by blocks and stands, and a green ladder leans against it. Other boats are visible in the background, along with a body of water and trees. The sky is blue with a few clouds.

    New List Item

A logo that says ABYC Certified Master Technician with a nautical symbol and a five-leaf clover on a blue background.

Certified technicians, less downtime

Our team is proud to have completed the requirements to hold the American Boat and Yacht council’s Master Technician License. Gaining an ABYC master license involves in depth knowlege of marine safety standards, installation code, and diagnostic procedures.