K. I. Sawyer Air Force Base is a decommissioned U.S. Air Force base in Marquette County, Michigan, south of the city of Marquette. The base, near the center of Michigan's Upper Peninsula, closed in 1995. The county airport, Sawyer International, now occupies a portion of the base and has scheduled airline flights and significant general aviation activity. The elevation at the passenger terminal is 1,190 feet (362 m) AMSL, about 600 feet (183 m) above Lake Superior, which is fifteen miles (24 km) north of the base.
Air Ports, Military - Historic - Closed Facility
It is a census-designated place (CDP) used for statistical purposes. As of the 2000 census, the CDP population was 1,443.
The former base is located in the southeast corner of Sands Township, with small portions in West Branch Township and Forsyth Township.