The Hiawatha Post Office was active from 1897 to 1941. It was located 11 miles north of Manistique on the Manistique and Northwestern Railroad. Civil War veteran Francis G. Dodge was the postmaster in 1905. Frank Hutt was serving as postmaster in 1915 and Hiawatha’s final postmaster was Ezra Aldrich. The post office closed permanently on January 31, 1941.