Lot 3 Harbor Island, Phippsburg, ME, Maine 04562. Build your dream retreat on this bold ocean lot with EXPANSIVE western frontage on Harbor Island. Craggy shore, tide pools, sea heather and pine needled forest. Located just a five minute boat ride from Sebasco Harbor Resort, this 5.85 acre lot comes with deeded mainland parking, dingy slip and island association dock. Golf, swimming and dining are available at Sebasco Harbor Resort. Minutes to Popham Beach, under an hour to Portland.