latitude 37° 48' 26.2" N
longitude 122° 21' 44.1" W
July 29, 2007
The island’s lighthouse connection began in 1873 when the Lighthouse Service moved the district's depot from Mare Island to the southeast side of Yerba Buena Island. In 1875 construction was completed on the 25 foot tower with a fifth order Fresnel lens. The light remains in active service today even though it basically is underneath the Bay Bridge (which illuminates the travel space very well.)
We saw this light from the ferry between San Francisco and Oakland. It's a long shot, but on a clear day, it was good. (G 4140)
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