*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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Overnight Reservations

Dock. Relax. Stay.

Dock & Stay on Long Island Sound

Overnight & Transient Reservations at Cedar Island Marina

Whether you’re cruising the Connecticut shoreline or planning a weekend stop along Long Island Sound, Cedar Island Marina offers a protected, full-service destination designed for comfort and convenience. Located in Clinton Harbor with easy access to open water, our marina combines professional dockage with resort-style amenities for an exceptional stay. As a ValvTect-certified dealer, we provide high-quality gas and diesel to help keep your vessel running at its best throughout the season. Transients get a discount on fuel.

From weekend boaters to yacht clubs and captains navigating the Sound, we’re proud to be one of the region’s most trusted transient destinations.

A Destination Beyond Dockage

We believe an overnight stay should feel like a getaway.

  • Protected harbor location

  • Wide, well-maintained docks

  • 24/7 bathrooms

  • 60′ heated pool and convenient amenities when traveling

  • Two hot-tubs
  • Fitness Center
  • On-site service department

  • Complimentary shuttle bus to anywhere in Clinton

Connecticut Transient Dockage on Long Island Sound

Featuring newer and upgraded floating docks, docking is simple and easy. Beyond the dock, overnight guests enjoy a relaxed and welcoming atmosphere that makes it easy to settle in and unwind. Spend the afternoon by the pool, enjoy a meal at our waterfront restaurant, or take advantage of the marina’s amenities before heading back out on the water. With Hammonasset Beach nearby and convenient access to local shops and restaurants with our complimentary shuttle bus, Cedar Island Marina offers more than just a place to tie up, it’s a destination designed to make your stay enjoyable and memorable.

Conveniently Located Between Major Northeast Ports

Perfectly positioned between Newport, Sag Harbor, Block Island, Martha’s Vineyard, and Nantucket, Cedar Island Marina is an ideal stop for seasonal transitions, crew rotations, or owner visits. We offer exceptional value without sacrificing service or convenience.