Bonita Springs, FL
Established: 1997
Visitors annually: 500,000
Vendors weekly: 400
Located in Bonita Springs exit 116 off I-76, near Naples, Florida, Flamingo Island Flea Market welcomes some 600 seller spaces, and is packed with bargains on anything from fresh tomatoes to new sunglasses, plus six restaurants, a tiki bar, small farmers market, live music and more. Open every Friday, Saturday and Sunday.