Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🚤 Full Service Marina Est. Slips ~60 Water Ocean/Bay Confidence High

Well-organized marina with multiple parallel docks occupied by numerous boats in a sheltered bay, but no visible parking lot or landside facilities.

Aerial view of Stonington Harbor
Atlantic Coast

Stonington Harbor

Stonington, ME

Stonington Harbor is nestled in the coastal town of Stonington, Maine, on Deer Isle, part of the rugged Atlantic Coast in Hancock County, where it overlooks the waters of Penobscot Bay and is surrounded by forested islands and granite shores typical of Downeast Maine. This marina serves both recreational sailing enthusiasts exploring the intricate network of bays, coves, and nearby islands in the Gulf of Maine, as well as local fishing boats that navigate the challenging Atlantic waters. Its setting makes it a gateway for boaters seeking the natural beauty and maritime heritage of this remote coastal region.

Location Stonington, Hancock County, Maine
Capacity ~60 slips
Coordinates 44.1511, -68.6679

Nearby Marinas in Maine

Marina Parking & Access Control

Marinas typically need to separate slip holder parking from day-visitor parking, trailer areas, launch ramps, and secure dock access points. Modern facilities use barrier gate systems to enforce these zones automatically — allowing permitted vehicles through via transponder or keycard while logging all access events.