KMTH
Airport
The Florida Keys Marathon Intl
Marathon, Florida

FAA NFDC Information Effective 56-day cycle 11/27/2025 - 1/22/2026

Ops Comms Services Owner Runways IFR Procs Current NOTAMs Remarks

Location

FAA/ICAO Identifier:MTH / KMTH
Lat/Lng:24.7261944444, -81.0513611111
24-43-34.3000N, 081-03-04.9000W
Estimated by Ngs on 07/20/2007
Elevation:5 feet Surveyed by Ngs on 07/20/2007
Magnetic Variation:04W,(2000), [-7W (2025)]
Sectional:MIAMI
From City:3nm E of Marathon

Operations

Use:Open to the public
Airspace Analysis:NOT ANALYZED
Existed Prior to 1959.
Ownership:Publicly owned
Activation:03/1944
Attended:All year Every day 0800-1800 (local)
Control Tower:no
ARTCC:Miami(ZMA)Miami Center
FSS:Miami FSS(MIA)
NOTAMs and Weather:MTHNOTAM-D service at airport
Wind Indicator:Lighted
Segmented Circle:yes
Lights:Activate REIL Runway 07; PAPI Runway 07 & 25; MIRL Runway 07/25 - CTAF.
Beacon:Sunset-Sunrise
Landing Fee:no
ARFF:I A U 12/1974
48 Hour Prior Permission for Unscheduled Part 121 Operations with Gtr than 30 Pax Seats.

Communications

CTAF:122.975
UNICOM:122.975
Weather:ASOS 305-743-8373 135.525

Services

Fuel:Grade 100LL Gasoline (low lead blue)
Jet A-1 - Kerosene, with Icing Inhibitor, freeze point -50C
After Hour Jet-a Fuel - 305-481-7615.
Airframe Repair:Minor
Powerplant Repair:Minor
Bottled Oxygen:High/Low pressure
Bulk Oxygen:High/Low pressure
Transient Storage:Tie-Down
Other Services:Crop Dusting, Pilot Instruction, Aircraft Rental, Aircraft Sales

Based Aircraft

Total:0

Annual Operations

Total:0

Ownership

Owner:Monroe County
500 Whitehead St
Key West, Fl 33040
305-296-5439
Manager:Michael Legere
9400 Overseas Hwy Suite 200
Marathon, Fl 33050
305-289-6302

Runways

Runways:07/25

Runway 07/25

Length:5008 feet
by Ngs on 07/20/2007
Width:100 feet
Surface:Asphalt / Bituminous Concrete, Fair Condition
Surface Treatment:Saw-cut or Plastic Grooved
Classification (PCN):Pcr Value: 200/F/a/X/T
Weight Capacity:Single Wheel aircraft: 62,000 lbs
Dual Wheel aircraft: 100,000 lbs
Dual Tandem Wheel aircraft: 182,000 lbs
Runway Lights Edge Intensity:Med Intensity
End 07 End 25
Takeoff Run Available (TORA):5008 feet5008 feet
Takeoff Distance Available (TODA):5008 feet5008 feet
Accelerate-Stop Distance Available (ASDA):5008 feet5008 feet
Landing Distance Available (LDA):5008 feet5008 feet
True Alignment:067,(060 Magnetic)247,(240 Magnetic)
Runway Markings:Nonprecision Instrument,Good ConditionNonprecision Instrument,Good Condition
Elevation at End:4.6' MSL5.2' MSL
Elevation at Touchdown Zone:4.7' MSL5.2' MSL
Threshold Crossing Glide Path Height:24' AGL24' AGL
Visual Glide Path Angle:3.00°3.00°
Visual Glide Slope Indicator:4-light PAPI on left side of runway4-light PAPI on left side of runway
Runway End Identifer Lights (REIL):Yes 
Objects:TreeTree
Objects affecting Navigable Airspace (CFR part 77):Other than utility runway with a nonprecision approach having visibility minimums greater than 3/4 mileOther than utility runway with a nonprecision approach having visibility minimums greater than 3/4 mile
Object Clearance Slope:37:134:1
Object Height:40' AGL65' AGL
Object Distance:1700' Along centerline
80' Left of centerline
2440' Along centerline
150' Right of centerline

Procedures

NOTAMs

Additional Remarks

E80-US Customs User Fee Airport.
A110*G-This Airport Has Been Surveyed by the National Geodetic Survey.
Noise Sens Area; Use Nbaa Noise Abatement Proc; Local Ordinance Require Engine Runup in Dsgnd Area on Coml or FBO Ramp from 2300-0700 & Fines.
Birds on & in Vicinity of Airport.
for Cd If Una to Contact on FSS Frequency, Contact Miami ARTCC at 305-716-1731.
Self Service Fuel H24.
Uscbp User Fee Fac Open Thur-Mon 0900-1730. Closed to Arrs Tue and Wed Except on Req and Approval by Uscbp. Contact Uscbp at 305-289-2029. See Spl Notices - U.S. Spl Cust Requirement.
Taxiway a Restrictions may Apply to Aircraft with a Wingspan of 79 ft or Greater When Aircraft are Landing or Taking Off on Runway 07-25. Airport Operating Notification Will be Transmitted on CTAF 122.975.

This information is current as of the date at the top of the page. These pages are valid for all US airports, based on information from FAA National Flight Data Center. Weather information is provided based on AvnWx Data Sources. NOTAM information is from FAA's NAIMES data portal.

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