The Florida Keys Marathon International Airport (MTH)

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The Florida Keys Marathon International Airport (MTH)
MTH
The Florida Keys Marathon International Airport (MTH)
Marathon, FL
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Latest photos of The Florida Keys Marathon International Airport (MTH)
KMTH, on approach, photo by Dimitar Popovski
Dimitar Popovski
MTH, Monroe Mosquito Control District, photo by Henk Geerlings
Henk Geerlings
MTH, On approach at MTH, photo by Skogkledde
Skogkledde
Location & QuickFacts
FAA Information Effective 2026-07-09
Airport Identifier MTH
Airport Status Operational
Longitude/Latitude 81°3'5.0960" W / 24°43'34.6290" N
-81.051416 / 24.726286 (Estimated)
Elevation 7.30 ft / 2.23 m (Surveyed)
Land 197 acres
From nearest city 3 nautical miles E of Marathon, FL
Location Monroe County, FL
Magnetic Variation 04W (2000)
Owner & Manager
Ownership Publicly owned
Owner MONROE COUNTY
Address 500 WHITEHEAD ST
KEY WEST, FL 33040
Phone number 305-296-5439
Manager MICHAEL LEGERE
Address 9400 OVERSEAS HWY SUITE 200
MARATHON, FL 33050
Phone number 305-289-6302
Airport Operations and Facilities
Airport Use Open to public
Wind indicator Yes
Segmented Circle Yes
Control Tower NON-ATCT
Lighting Schedule SEE RMK
Beacon Color White-Green (lighted land airport)
Landing fee charge No
Sectional chart MIAMI
Region ASO - Southern
Responsible ARTCC ZMA - MIAMI
Tie-in FSS MIA - MIAMI
FSS on Airport No
FSS Toll Free 1-800-WX-BRIEF
NOTAMs Facility MTH (NOTAM-d service available)
Certification type/date 1974/12
Airport Communications
CTAF 122.975 MHz
UNICOM 122.975 MHz
ASOS MTH (305-743-8373)
Airport Services
Fuel types 100LL,A1+
Airframe repair MINOR
Power plant repair MINOR
Bottled oxygen HIGH/LOW
Bulk oxygen HIGH/LOW
Transient storage Tiedown
Other services AGRI,INSTR,RNTL,SALES
Runway Information
Runway 07/25
Dimensions 5008 x 100 ft (1526 x 30 m)
Surface ASPH (EXCELLENT)
Surface treatment Saw-cut or plastic Grooved
Edge lights Medium
07 25
Alignment 67° 247°
Physical elevation 5.60 ft 7.30 ft
Coordinates 24.723625 / -81.058375 24.728946 / -81.044456
Traffic pattern Left Left
Runway marking Non-precision instrument , Good Condition Non-precision instrument , Good Condition
VGSI 4-light PAPI on left 4-light PAPI on left
Runway end lights Yes
Remarks
  • FOR CD IF UNA TO CTC ON FSS FREQ, CTC MIAMI ARTCC AT 305-716-1731.
  • SELF SVC FUEL H24.
  • USCBP USER FEE FAC OPEN THUR-MON 0900-1730. CLSD TO ARRS TUE AND WED EXCEPT ON REQ AND APVL BY USCBP. CTC USCBP AT 305-289-2029. SEE SPL NOTICES - U.S. SPL CUST REQUIREMENT.
  • 24 HR PPR FOR ACFT EQUIPPED WITH WEATHER MODIFICATION OR GEOENGINEERING EQPT 305.289.6302.
  • ACFT MUST USE TWY A4 FOR RWY 25 FULL LEN DEP, NO RWY ACES BYD TXY A4.
  • NOISE SENS AREA; USE NBAA NOISE ABATEMENT PROC; LCL ORDINANCE RQR ENG RUNUP IN DSGND AREA ON COML OR FBO RAMP FM 2300-0700 & FINES.
  • BIRDS ON & INVOF ARPT.
  • EXISTED PRIOR TO 1959.