Florida Keys Marathon International Airport (MTH)

Airport information: Marathon, FL, United States. Search for another airport below.

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Location and general information

Control tower: No
Attendance: All months, all days, 0800-1800
Fuel: 100LL, Jet A-1+
Airframe / engine repair: Minor / minor
Oxygen: Bottled high/low, bulk high/low
Transient storage: Tie-downs
Other services: Crop dusting, flight instruction, aircraft rental, aircraft sales
ARTCC: Miami (ZMA)
Flight service: Miami (MIA)
1-800-WX-BRIEF
NOTAM facility: MTH
Wind indicator: Lighted
Beacon: White and green, sunset to sunrise
Segmented circle: Yes
Landing fee: No
Customs: User fee airport
FAR 139 certification: Class I, ARFF index A, unscheduled air carrier (12/1974)
Airport manager: Michael Legere
305-289-6302
Last FAA inspection: 01/13/2026

Noise sens area; use nbaa noise abatement procedures; LCL ordinance require eng runup in dsgnd area on coml or FBO ramp from 2300-0700 and fines.
Birds on and in the vicinity of airport.
For CD contact Miami ARTCC at 305-716-1731.
Self service fuel H24.
Uscbp user fee fac open thur-mon 0900-1730. Closed to arrivals tue and wed except on request and approval by uscbp. Contact uscbp at 305-289-2029. See SPL notices - U.S. SPL cust requirement.
24 hour prior permission required for aircraft equipped with weather modification or geoengineering eqpt 305.289.6302.
Aircraft must use taxiway A4 for runway 25 full len departure, no runway aces beyond txy A4.

Source: FAA Airport Data and Information Portal (ADIP), effective October 29, 2026. View this airport on the FAA site

Runway	Size	Surface
07 / 25	5,008 × 100 ft	Asphalt, excellent, grooved

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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