*Less than 2 mi from Exit 63 on I-95

Enjoy boating the way it should be—secure slips, a peaceful setting, and direct access to Long Island Sound. Cedar Island Marina delivers a refined marina experience in Clinton, CT.

41°15’56″N   72°31’33″W

VHF: Channels 9 / 16

ValvTect Marine Fuel logo with a shield, blue field, and a gold propeller beneath the 'VALVTECT' wordmark and 'MARINE FUEL' banner.

AMENITIES

HOURS

Mon-Friday:  8am-5pm

Sat & Sun:  9am-4pm

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Mega Yachts

Dock Big Comfortably

Mega Yacht Dockage on Long Island Sound

Deep Water, Protected Dockage for Yachts up to 130’+

Cedar Island Marina offers one of the most accessible and protected mega yacht destinations in Connecticut. Located just 10 minutes from Long Island Sound in Clinton Harbor, our calm river setting provides the depth, turning radius, and dock space required for larger vessels.

Whether you’re planning a seasonal stay or a quick stop over our marina delivers convenience, security, and exceptional value without sacrificing service. Both three phase 480v and single phase 100amp electric service are available. Crew are welcome to use our facilities. 

Within close proximity to Newport, Sag Harbor, Block Island, Martha’s Vineyard, and Nantucket at a fraction of the cost. 

Spacious Dockage & Maneuverability

Our marina comfortably accommodates yachts up to 130 feet, with depth and layout designed to allow safe approach, easy maneuvering, and secure docking. Ideal for overnight stays or seasonal dockage.  

Plan Your
Mega Yacht Stay

Located in an authentic and quiet coastal New England town, Cedar Island Marina offers a calm, well sheltered environment minutes from Long Island Sound. A great place to stop on your trips South or North. 

Crew-Friendly Amenities & Access

Captains and crew appreciate our secure setting, on-site service department, and convenient access to town via our seasonal shuttle. From quick provisioning stops to extended transitions, we provide the facilities and support that make operations seamless. Crew have access to all of Cedar Island Marina’s amenities.