Groton, Connecticut offers 23 marinas for local boat owners and transient cruisers. Groton provides slip access, fuel, pump-out service, and dockside amenities depending on the location — from full-service yacht harbors to small public docks. Whether you're shopping for a seasonal slip, planning an overnight stop on a longer cruise, or just need a reliable fuel dock and ship store, the 23 marinas below serve Grotonand the surrounding waterfront with verified GPS coordinates, amenity lists, and turn-by-turn directions. Slip availability tightens during summer and holiday weekends — calling ahead is always a good idea before you cast off.

Tips for Visiting Marinas in Groton

✓ Call ahead to confirm slip availability — especially on peak summer weekends and during fishing tournaments. See all Connecticut marinas.
✓ Verify fuel hours before you commit to a destination — many small-marina fuel docks close earlier than the marina office.
✓ Ask about pump-out availability and any environmental restrictions on holding-tank discharge.
✓ Confirm transient slip rates, electric/water hookup, and any minimum-night stays before booking.
✓ Monitor VHF channel 16 (or the marina's posted channel) on approach to coordinate dock assignment.

Frequently Asked Questions

How many marinas are in Groton, Connecticut?

There are 23 marinas in Groton, Connecticut listed on MarinaSeeker with maps, amenity details, and contact info for each location.

Are transient slips available at Groton marinas?

Many marinas in Groton offer transient slips for visiting boaters, though availability tightens during summer weekends and holiday weeks. Call ahead a few days in advance to confirm space and lock in a rate.

Do Groton marinas have fuel docks and pump-out stations?

Several marinas near Groton operate fuel docks (gas and/or diesel) and pump-out stations. Fuel hours and pump-out availability vary by marina — check each listing for posted services before fueling up.

What amenities do marinas in Groton typically offer?

Marinas near Groton commonly offer slip rentals, dry storage, fuel, pump-out service, restrooms, showers, and on-site repair. Larger marinas may add ship stores, restaurants, and ramp access — see each listing for the exact amenity list.

Is MarinaSeeker free to use?

Yes. MarinaSeeker is 100% free for boaters. Browse all 23 marinas in Groton, save GPS coordinates, and get directions — no account required.

Boating Tips & Guides

Destinations

Top Marinas in Michigan

The best marinas across Michigan for Great Lakes boating, from Traverse City to Mackinac.

Seasonal vs Annual Slip Rental: Which Is Better?

Compare seasonal and annual slip rentals to find the best value for your boating needs.

Browse all Connecticut marinas →

Nearby Cities with Marinas

Noank

1 marinas · Connecticut

Mystic

11 marinas · Connecticut

New London

5 marinas · Connecticut

Stonington

9 marinas · Connecticut

Gales Ferry

1 marinas · Connecticut

Marinas in Groton, Connecticut

United States Naval Submarine Base New London / Groton

Mystic Downtown Marina

Pine Island Marina

Shennecossett Yacht Club

Fort Rachel Marina

Spicer's Marina

Palmer's Cove Marina

Maxwell Boatyard

Noank Shipyard

Noank Marine Services

Noank Village Boatyard

Ram Island Yact Club

Pine Island Marina

Groton Oil Marina

Shennecossett Yacht Club

Thames Inn & Marina

Spicer's Noank Marina

Carefree Boat Club

Spicer's Marina

Maxwell Boatyard

Noank Shipyard

Noank Marine Services

Noank Village Boatyard