Main Bay, Prince William Sound

Main Bay is an estuary on the Kenai Peninsula fed by a watershed of 3,795 acres (1,536 ha) mostly draining from an unnamed lake at an elevation of 205 feet (62 m) on the northern flank of Eshamy Peak in Prince William Sound, between Port Nellie Juan to the west and Knight Island Passage to the east, about 81 miles (131 km) west of Cordova and 28 miles (45 km) southeast of Whittier, Alaska.