Treasure Island is a man-made island built in 1936–37 for the 1939 Golden Gate International Exposition, joined to Yerba Buena Island by a causeway. In the picture its flat, straight-edged shape stands out in the bay.One spot on a pixel-art map of the whole Bay Area that you can zoom around. Facts from Wikipedia.
Treasure Island
San Francisco Bay, San Francisco
isometricsf.com

