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Diamond Marine Dealership
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Visit Diamond Marine’s Gigantic Indoor Showroom

Our huge Indoor Showroom (the largest in the Northeast) lets you comparison shop a wide range of new and used vessels... easily comparing models, features, and boat designs.

Diamond Marine carries proven and leading brands, covering the entire range of boating styles-- from luxury cruisers and sport fishing vessels to high-performance runabouts.

Outside, you’ll find even more boats to choose from. At any given time, we have over 50 boats in stock, and we’re also more than happy to special order any vessel to meet our customers’ unique style and performance needs.

And, best of all, we welcome high-quality Trades…so there’s no better time than NOW to upgrade, or to get into a newer more fuel-efficient vessel.

We invite you to visit our gigantic 40,000 square-foot indoor showroom —the largest in the North East!

Call Diamond Marine

at 877-498-5568 to arrange an appointment, or simply stop buy our East Haven, Connecticut location.
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Customer Testimonials

  • "Wonderful service. Drove to CT from PA great boat. Just as described."
  • "The name Diamond says it all. Simply the Best. Great people selling great stuff!"
  • "Bought the boat sight unseen 100% satisfied with description-honest seller A++"
© Diamond Marine. All Rights Reserved.
Call Today: 877-498-5568 Or Visit: 650 Coe Ave. East Haven, CT 06512

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