The Germantown Flea Markets are in the MARC Rail commuter parking lot at Bowman Mill Dr. & Walter Johnson Dr., Germantown from 8am to 1pm. Vendor spots are $25 and claimed on a first-come-first-serve basis. The Flea Markets will be on the first Saturday of each month, April through November. The 2022 dates are: April 2, May 1, June, August 6, September 3, October 1 and November 5.