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MTH - Florida Keys Marathon International Airport

Regional airport · United States

Florida Keys Marathon International Airport

IATA: MTH ICAO: KMTH

Airport details

IATA code	MTH
ICAO code	KMTH
Serves	Marathon
Country	United States
Coordinates	24.72601, -81.05138
Elevation	5 ft (2 m)
Runways	1 · longest 5,008 ft (1,526 m)
Website	Official site
Map	OpenStreetMap

Location

Nearby airports

XFT · Big Pine Sands STOLGround 34 km away NQX · Naval Air Station Key West/Boca Chica Field 67 km away EYW · Key West International Airport 74 km away OCA · Ocean Reef Club Airport 103 km away HST · Homestead Air Reserve Base 108 km away

Data updated 9 October 2026 · About & Data Sources

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