When: Sat., Aug. 20, 10 a.m.-3 p.m. and Sun., Aug. 21, 10 a.m.-3 p.m. 2016
St. Louis Swap Meet's Riverfront Marketplace takes place on the Arch grounds every third weekend July-November. Buy cool stuff; sell the things you make. Build a business and your community. Food trucks. Dog, bike, and family friendly!