Location: Outer Boston Harbor
Accessibility: The lighthouse is not open to the public. It can be seen from points along the shore in Winthrop (Shore Drive), Hull (Nantasket Beach), and Nahant, but is best seen by boat. The facility: Active U.S. Coast Guard aid to navigation. Lighthouse built 1905. Light flashes two white flashes every 12 seconds; fog signal is two blasts every 20 seconds.