Penobscot County and Surrounding Area Marinas, Maine 1    Hamlin's Marina Hampden, Hampden OTHER COUNTIES NEARBY Franklin County Maine 2    Haines Landing Marina, Rangeley Knox County Maine 3    Landings Marina, Rockland 4    The Landings Marina, Rockland Piscataquis County Maine 5    East Cove Marina, Greenville Waldo County Maine 6    Seal Ledge Marina, Penobscot 7    Unity Marina Campground, Unity       Maine Marinas