Mareeba Airfield (IATA: MRG, ICAO: YMBA) is an airfield located 4.3 nautical miles (8.0 km; 4.9 mi) south of Mareeba, Queensland, Australia. Built in 1942 as a US Army Air Force base during World War II, the airfield had two runways, with a complement of taxiways, hardstands and a containment area.