Potts Harbor

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Potts Harbor is a large irregular bight in the southern end of Harpswell Neck, between Potts Point on the east and Basin Point on the west, and Haskell Island and Upper Flag Island and the ledges between them on its southern side. The harbor affords good anchorage in depths of 24 to 33 feet.

South Harpswell is a village on the east side of Potts Harbor. A town wharf with float landing is on the east side of the harbor, about 0.4 mile above Potts Point; depths of 6 feet are reported alongside the float. A fish wharf with 7 feet reported alongside in 1979, is on the west side of Ash Point, at the entrance to Basin Cove; gasoline and diesel fuel are available. Dolphin marina and restaurant are on the west side of the harbor about 0.1 mile above Basin Point. Transient berthage, gasoline, diesel fuel, water, electricity, and ice are available; depths of 5 feet are reported alongside the float landing. A trailer at the marina can handle craft up to 35 feet for some engine repairs and open winter storage.

A special anchorage is on the northeast side of Basin Point.

There are two entrances to the harbor. The eastern one, from Merriconeag Sound, is marked by buoys and a daybeacon. It has a depth of about 14 feet, but is narrow and crooked with strong tidal currents. It is suitable only for small craft or small vessels with local knowledge.

The western entrance, between Upper Flag Island and Horse Island, is straight and about 225 yards wide at its narrowest part, between Horse Island and the edge of the shoal between Upper Flag Island and Thrumcap, a grass-covered rock. Upper Flag Island, 59 feet high, Little Birch Island, 14 feet high, and Horse Island, 23 feet high, are grass covered.

A ledge extending southwestward from Little Birch Island is marked by a bell buoy, and a shoal covered 3 feet, about 0.2 mile west of Upper Flag Island, is marked on its southwestern end by a buoy.