Marine on Saint Croix, MN

ZIP code 55047 serves Marine on St. Croix, a small community in Washington County, Minnesota, along the St. Croix River. Notable landmarks include the Marine Mill Site, a preserved 19th-century sawmill recognized as Minnesota’s first commercial sawmill, and William O’Brien State Park, which offers river access, trails, and camping. The village’s historic downtown includes buildings associated with its early Scandinavian settlement and lumbering history.