• View our pre-owned inventory.
  • Marine Electronics.
  • Mercury Store

Contact Diamond Marine Service for
All Your Service and Parts Needs
Call: 877-498-5568

Diamond Marine supports it’s customers with an expert Service Department and Parts Group. Our technicians, with over 25 years experience, are qualified to repair and service all makes of outboards, inboards, and IO’s.

We offer complete engine service & repair of all brands of inboard and outboard motors, and are manufacturer trained and certified in: Yamaha | Mercury | Mercruiser | Suzuki | Volvo-Penta

We use the latest technology to diagnose mechanical and electrical problems and whether you’re in for repair or standard maintenance, we get your boat back to you rapidly and efficiently.

Our factory certified technicians regularly attend training classes to keep updated on all the latest innovations. We have inside service bays to keep our people working rain or shine.

Diamond Marine’s service philosophy is simple: preserve the customer's investment and help maximize time underway through preventative boat maintenance.

In addition to providing needed service and scheduled warranty maintenance of all of the brands that we sell, Diamond Marine’s state-of-the-art facilities and a full-time service staff is expert in the maintenance, repair, and restoration of vessels of all makes and sizes.

    Some Areas We Specialize In…
  • Rebuilding lower units
  • Motor rebuilding
  • Powerhead replacement
  • Prop reconditioning or replacement
  • Regular Maintenance--which may include changing the oil, oil filter, fuel filters , VST screen, internal and external zincs, water pump, spark plugs, and anything else the manufacturer recommends.
Also be sure to Check Out Diamond Marine’s Winter Storage Specials

Why Regular Maintenance Is Important

Diamond Marine and most manufacturers recommend routine maintenance every 6 months or 100 hours, whichever comes first. For a small fee, you can protect your investment and your maintenance could be worry free by having the professionals maintain your boat. Why go through the frustration of doing your own service, when we have all the proper tools and experience to do the job right.

Expert Electronics Installation

Whether you buy your electronics from us, or bring them in, our technicians will professionally install any type of electronics or accessories in any type of boat. When we are finished, you’ll think the electronics were installed at the factory.

We also offer our customers preferred electronics pricing through one of our partners—follow the link on this page for great electronics deals.

Dock-Side Service

If you own a boat that is too big to transport to us for service, or if you are unable to move your boat, we offer on-site service. Our professional and courteous technicians will arrive with our Diamond Service Van, which is stocked with parts and tools to repair most any problem. We’ll have you back up and running in no time. In New England the boating season is too short, can you really afford not to have Diamond Marine by your side?

Value Added—What Comes With Every Boat You Buy From Diamond Marine

As an added service to each and every Diamond Marine Customer, our Service Team thoroughly goes over all aspects of every new and pre-owned boat we sell. In addition to a physical inspection of all mechanicals before your boat is delivered, we take each and every vessel on a sea trial.

Then, when you take ownership, one of out technicians is available to go over with you all of the boat’s features and mechanicals, as well as taking you on a personal sea trail of your own, to fully familiarize you with the boat’s on-the-water features and performance.

© Diamond Marine. All Rights Reserved.
Call Today: 877-498-5568 Or Visit: 650 Coe Ave. East Haven, CT 06512

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