Miura Peninsula
Sunosaki Lighthouse was first lit on December 15, 1919, and completes the navigational aid systems for all vessels entering Uraga Channel and Tokyo Bay, with Kannonzaki Lighthouse and Tsurugisaki Lighthouse on the western side of Miura Peninsula, and the Nojimazaki Lighthouse and the Sunosaki Lighthouse on the eastern side of the Bōsō Peninsula.