Since the information said it might not exist anymore. I thought I would post that the Bay County Farmers Market still occurs on Tuesdays and Thursdays 1-7 p.m.
There is now another one, the Downtown Bay City Farmer's Market, located near the river at 913 N. Water St. The downtown market is open from noon to 6 p.m.
Usually gets into full swing Mid to late July, but the downtown market I've seen open earlier.