Allen Harbor Marina is located in the northeast corner of the former Quonset-Davisville Naval Base in a naturally sheltered harbor with excellent views and access to Narragansett Bay. Acquired from the Navy, the Town owns and operates the Marina, which includes 82 moorings, 115 slips, and 3 transient moorings.

In addition, a boat ramp is available for public use, parking is free of charge.