Welcome to C & D Marine Service!

Located in the Copiague Harbor Marina on the Great South Bay.

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C&D Marine Service Inc. has been proudly serving the south shore of Long Island for twenty years. All of our mechanics are factory trained and certified in Mercruiser, Volvo and Mercury. C&D Marine is a full service marina for all your summer and winter needs. We offer 77 slips on Great Neck Creek for your dockage needs and winter storage at our two acre facility. Our new location at 519 South Great Neck Road in Copiague has been undergoing some changes with more to come.