The Bay Bridge stretches from the Oakland area to San Francisco. Halfway across the bridge it connects to Treasure Island, a man made Island meant to be a sea plane airport. Once the location of the Worlds Fair it is now trying to reinvent itself. One way is by a very popular flea market.
For another post on Treasure Island please clicky clicky here. For some interesting and off the wall posts on San Francisco please look herehttps://bulldogtravels.com/?s=San+Francisco&submit=Search!