City Halls in Sister Bay, WI Ephraim Waste Water Treatment10285 Townline DrSister Bay, WI, 542349208544991Cedarville Township HallGovernment City Village TownshipVillage Of Public Works Village of Sister Bay2155 Autumn CtSister Bay, WI, 542349208547014Cedarville Township HallGovernment City Village TownshipVillage Of Public Works Show More