65 Garvin Road, West Bay, Grand Cayman ☎ 345.949.3555 sales@marinediesel.ky

Marine Engine
Repair & Service
Grand Cayman

Inboard diesel and sterndrive engines — all makes and models. From routine maintenance to complete engine overhauls, we keep Cayman's fleet running. Looking for a new engine? →

Everything Your
Engine Needs

Routine Service & Oil Changes

Scheduled maintenance keeps your marine diesel running efficiently. Oil, filters, impellers, belts, zincs — done right the first time.

Full Engine Overhauls

When your engine needs more than a service, our team performs complete top-end and bottom-end overhauls on all major inboard diesel engines.

Engine Diagnostics

Computer diagnostics on inboard diesel and sterndrive engines. We pinpoint problems fast — saving you time, money, and frustration on the water.

Diesel Injection & Fuel Systems

Injector testing, fuel system diagnostics, high-pressure pump servicing, and common-rail repair — specialist diesel fuel system work done in-house.

Sterndrive & I/O Service

MerCruiser, Volvo Penta, OMC — complete sterndrive service, bellows replacement, outdrive repairs and seasonal preparation.

On-Site & Offshore Service

Can't get to us? We come to you. Our team provides on-site engine service at your marina berth, private dock, or commercial vessel — anywhere in Grand Cayman, Little Cayman or The Brac.

Parts Department

Waiting on a part flown in from Miami shouldn't be what keeps your vessel off the water. MDI's parts department carries a broad stock of marine parts, accessories, and supplies covering a wide range of vessel types — engine spares, outboard consumables, marine hardware, electrical components, and general boat accessories.

As Cayman's only authorised Yanmar dealer we also hold an extensive inventory of genuine Yanmar OEM parts on-island. Whatever your vessel needs, chances are we have it — or we know exactly where to get it.

Can't find what you need?
Call Us: 345.949.3555

If we don't have it in stock, we'll get it.

Genuine Yanmar OEM Parts
Oil & Fuel Filters
Impellers & Pump Kits
Zincs & Anodes
Belts & Hoses
Gaskets & Seals
Starter Motors
Alternators
Heat Exchangers
Thermostats
Fuel Injectors
Engine Mounts
All other brands sourced to order — Mercury, Suzuki, Yamaha, Volvo Penta, Cummins, Caterpillar and more. Call for availability and lead times.
Brands We Service
Yanmar Mercury Suzuki John Deere Honda Marine Volvo Penta MAN Caterpillar Cummins MerCruiser Evinrude Yamaha All Other Brands

Book Your
Engine Service

Don't let an engine issue keep you off the water. Fill in your details and our team will review your request and respond within one business day with a full assessment and quote.

The more detail you give us about your engine and the issue, the faster we can help — so include make, model, symptoms, anything relevant.

  • ⚙️
    Inboard & outboard specialist technicians
  • 🔧
    Full overhauls to minor tune-ups
  • 📍
    On-site or offshore service available
  • ⏱️
    Response within 1 business day
  • 100% Caymanian-owned, locally operated since 1985
Urgent?
Call Now: 345.949.3555
Considering a Replacement?
Browse New Engines →

Authorised Yanmar dealer — new marine diesel engines and outboards.

Request Engine Service
We'll respond within 1 business day with a quote.

🔒 Your details are only used to contact you about this enquiry.

Enquiry Received!

We'll review your details and respond within one business day. Urgent? Call 345.949.3555.

Marine Engine Repair
FAQs

What marine engine brands do you service?
We service all major marine engine brands including Yanmar, Mercury, Suzuki, Yamaha, Honda Marine, Volvo Penta, MAN, Caterpillar, Cummins, MerCruiser, Evinrude, Tohatsu, and all other makes.
Do you offer on-site marine engine repair in the Cayman Islands?
Yes. Our team provides on-site engine service at your marina berth, private dock, or commercial vessel — anywhere in Grand Cayman, Little Cayman, or The Brac.
Do you service inboard diesel engines?
Yes. Inboard diesel is our core speciality — from routine oil changes and filter service to complete engine overhauls on all major brands.
How long does a marine engine service take?
Routine service is typically completed same day or next day. Diagnostics and fault repairs depend on parts availability and the nature of the issue — our team will provide a clear timeline after initial assessment.
Do you perform complete marine engine overhauls?
Yes. We perform complete top-end and bottom-end overhauls on all major inboard and outboard engines at our West Bay workshop in Grand Cayman.