Mercantile Bank Of Michigan Address: 135 W Washington St, St Louis, MI 48880 Phone: (989) 681-5758 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Banks, Mortgages, Loans, Stock & Bond Brokers Other Businesses: Chemical Bank at 111 W Saginaw St, St Louis, MI 48880 Francesco's Italian Amer Bstr at 1875 W Monroe Rd, St Louis, MI 48880 Hunt Pizza & Dairy Store at 1345 W Monroe Rd, St Louis, MI 48880 China King at 115 N Ml St, St. Louis, MI 48880