Like so many Bay Area residents, Michael Hennahane hadn’t given much thought to Treasure Island. During the first 20 years he lived in San Francisco, Hennahane had never even set foot on the flat, 400 ...

Key Highlight: An outcropping of rocks makes the water calmer than at other area beaches, making this a great pick for families. Treasure Island is a stunning stretch of sand fronting the posh, ...

“Everyone has a story about Treasure Island,” says John Hogan, director of the Treasure Island Museum. Visitors to his museum love to open up about their connections to this 393-acre island in the ...

For years, Treasure Island sat largely forgotten in the middle of San Francisco Bay — an awkward man-made expanse better known for its contaminated soil and shuttered naval housing than anything ...