Explore Maines Iconic and Coastal Lighthouses DownEast Maine Dyce Head LighthouseDyces Head Rd, Castine, ME 04421| (207) 326-4502 Located on the western shore of Castine, Dyce Island Lighthouse has been lighting the way for ships passing by for 200 years. The quaint lighthouse has gone through many changes over time, including being completely decommissioned and the