Farmer's Market Sarnia Visitors of the Farmer's Market Sarnia will fond a number of indoor and outdoor fresh food vendors including specialty meats, breads and cheeses. The market is open on Wednesdays and Saturdays from 6 a.m. to 2 p.m. Address: 110 Proctor Streeet Sarnia ON N7T 3G2 1 519 337-6835