| 29 River Road Cos Cob, CT 06807 | |
| 41° 2' 7.14'', -73° 35' 35.83'' | |
| +12034936255 | |
| Cos Cob Harbor |
About
Greenwich Waterside Marina welcomes boats of all types and the friendly boaters who captain them. We are conveniently located in the protected waters of Cos Cob Harbor in Greenwich, Connecticut, just south of the I-95 bridge. Our marina accommodates vessels up to 80 feet and beyond. We offer brand-new docks equipped with both 30- and 50-amp shore power connections.
We are accepting seasonal slip applications for Summer 2026. Contact us at [email protected] for more information.
Berth Capacity
Slips:55
Approach
Head north into Cos Cob Harbor passing under the train bridge. The docks will be on the left side just past the fueling dock at Palmer Point Marina, and before passing under the 1-95 bridge.
Services & Amenities
Last Updated: Sep 09, 2025
Dockage:Yes
Water Hookup:Yes
Transient Storage:Yes
Long Term Storage:Yes
Water Taxi:Within 5 Miles
Restrooms:Yes
Ice:Yes
Groceries:Within 5 Miles
Medical Facility:Within 5 Miles
Pharmacy:Within 5 Miles
Hotels:Yes
Restaurants:Yes
Dog Park:Within 5 Miles
Ship Store:Yes
Max. Vessel LOA:100.0 Feet
Max. Slip Length:114.0 Feet
Max. Slip Width:40.0 Feet
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