Mackinac County Airport (FAA LID: 83D) is a county-owned public-use airport in Mackinac County, Michigan, United States. It is located 2 nautical miles (2.3 mi; 3.7 km) northwest of the central business district of St. Ignace. It is the closest airport to Mackinac Island Airport with a refueling station, and is a major stopover destination for flights to and from Mackinac Island that require refueling. The airport is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a local general aviation facility.