The following Post Offices are located near the Park:
Empire, MI - 10234 W. Front St. in downtown Empire
Glen Arbor, MI - 6456 W. Harbor Hwy on M-22 in Glen Arbor
Honor, MI - 10982 Main St. on M-31 in Honor
Frankfort, MI - 615 Main St. in downtown Frankfort
Leland, MI - 122 N. Main St. in Leland.