If you ever find yourself in the Bay Area during the first Sunday of the month, you should check out the massive Alameda Flea Market.
It isn't all inexpensive - but there are some bargains to be found. And, when the weather is good, with San Francisco picturesque in the background, you can wander the isles eating a breakfast burrito or something else from one of the food trucks, and it won't even matter if all you actually walk away with is a doodad or two.
Alameda Point Antiques Faire
2900 Navy Way, Alameda, CA 94501
6:00 AM to 7:30 am $15.00
7:30 am to 9:00 am $10.00
9:00 am to 2:00 pm $ 5.00
2:00 pm to 3:00 pm Free!