East Brother Lighthouse
East Brother Island, San Francisco Bay Area
First lit: March 1, 1874
On March 1, 1874, the Fourth Order Fresnel Lens in the East Brothers Lighthouse was lit for the first time. This lighthouse is on an island in San Rafael Bay in the San Francisco Bay Area, just past the Richmond–San Rafael Bridge. It was automated in 1969, and now operates as a unique island bed and breakfast!