4 of the Bay Area and Northern California’s odder islands

Treasure Island is famous and Alcatraz infamous, but with 48 islands in San Francisco Bay alone and more in lakes and coves up and down the coast, the Golden State is home to a vast array of wave-lapped hunks of rock. There’s a man-made floating island in the Delta, a Roaring ’20s ruin at Tahoe and an island that’s not an island at all but the last vestige of a drowned town.

Here’s just a sampling of some of the more unusual.

East Brother Island

The light station on this island...