Shelby State Bank - Pentwater Banks / Credit Unions Shelby State Bank - Pentwater Visit Website Request Info 388 S Hancock Street Pentwater, MI 49449 (231) 869-2647 (231) 869-4017 (fax) Hours: M-F, 9am-5pm Sat, 9am-noon About Map About Shelby State Bank is a locally owned and managed community bank with eight locations along the lakeshore. We are a full-service bank, ''where banking is a still a people business!'' Directions SE corner of 4th and Hancock What's Nearby? Distance: 5 10 15 20 25 50 mi.