Marion Municipal Airport (IATA: MZZ, ICAO: KMZZ, FAA LID: MZZ) is located three miles southwest of Marion, in Grant County, Indiana.

[1] The FAA's National Plan of Integrated Airport Systems for 2021–2025 categorized it as a general aviation facility.

Lake Central merged into Allegheny Airlines in 1968 using Aerospatiale N 262s before service was discontinued in 1970.

[1] In 2019 the airport had 10,873 aircraft operations, an average of 30 per day: 92% general aviation, 7% air taxi and 1% military.

In December 2021, there were 40 aircraft based at this airport: 34 single-engine, 2 multi-engine, 2 jet and 2 helicopter.