MTH

Florida Keys Marathon International Airport

ICAO KMTH24.7260°N 81.0514°W7 ft / 2 mMedium airport
On the map
Marathon airport sign
JKBrooks85 · Public domain · Commons

Florida Keys Marathon International Airport (IATA: MTH, ICAO: KMTH) is a medium airport in Marathon, Florida, United States. It opened in Mar 1944. It has one runway, 5,008 ft (1,526 m) long, asphalt. In 2024 it handled 200 passengers.

Timeline

1 event · 1944–1944
MAR 1944
OpenedFlorida Keys Marathon International Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
07/25067° / 247° · LIT
LENGTH5,008 ft1,526 mWIDTH100 ft31 mSURFACEAsphalt

Passengers per year

2015–2024
8
48
29
49
25
79
212
175
63
200
15161718192021222324

Routes

1 destinations · 1 country

Straight lines are great circles; rings mark true distance from MTH. From the Wikipedia article “Florida Keys Marathon Airport” (revision of 20 Aug 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers200 (2024)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#3,568of 3,974 · #945 North America · #698 USLongest runway5,008 ft1,526 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=6,321of 29,823 · =2,169 North America · =1,765 USElevation7 ft2 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft=42,744of 43,341 · =19,234 North America · =15,654 USAgeOpened 19442026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=2,300of 15,079 · =1,299 North America · =1,249 USRunways11 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=4,360of 29,943 · =2,582 North America · =2,325 US
Scale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record

Radio frequencies

4 channels
ASOSASOS135.525
CNTRMIAMI CNTR133.500
RDOMIAMI RDO122.600
UNICCTAF/UNICOM122.800