The Florida Keys Marathon Intl Airport (KMTH)

IFR

Marathon, Florida, United States

🇺🇸
Elevation: 2m (6ft)
Coordinates: 24.7263, -81.0514
Type: Civil Airfield
Customs & Immigration:
available (ET) Mon,Thu,Fri,Sat,Sun 0900-1730 • CBP Contact: (305) 289-2029 / KMTH_GAP@cbp.dhs.govFact sheet
monroecounty-fl.gov legere-michael@monroecounty-fl.gov Airport Manager: +13052896302
FAA Chart Supplement
Airport Manager: 305-289-6302 Clearance Delivery: 305-716-1731

Runways

1 RWY, 1526m/5006ft

Source: FAA
07/25
Asphalt
Length
1526m
5006ft

Pilot Comments for KMTH

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AI-generated summary, as of 08/2025 - may contain errors or inaccuracies
AirfieldBot

AirfieldBot

2026-04-11 11:32:08 UTC

Information from pirep.io:

Description: KMTH is a friendly airport with lots of nearby watersports activities (kayaking, fishing) near the airport. There's also a crew car available to run to any of the nearby restaurants. Million Air runs the FBO.

Transient Parking: GA (piston) parking is on the east side of the ramp (Runway 25 departure end), and jet parking is on the west side of the ram (Runway 7 departure end).

Crew Car: Crew cars are available in the FBO, and its worth the stop to borrow one and visit a local restaurant.

Source: pirep.io (snapshot from 2026-01-02)

Information from ourairports.com:

  • 2010-08-31: FBO appeared closed on multiple visits; limited or inconsistent availability of FBO services reported.

Source: ourairports.com (one-time import)

Fuel Availability

AVGAS Jet A1

Source: FAA data. Contact FBO for pricing.

Airfield/FBO? Consider using Aerops.

Airport Webcams

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METAR & TAF

VFR
36 03 06 09 12 15 18 21 24 27 30 33 25 07 5 kt
↓ 1 kt ←R 5 kt
Wind 150° · 5 kt
Temperature 26.7°C
Dew point 20.6°C
Visibility 10 SM
QNH 29.93 inHg
Ceiling Clear
📝 Remarks click to expand
Station Automated (with precip sensor)
Sea level pressure 1013.3 hPa
Precise temp/dew 26.7°C / 20.6°C

METAR: 24 mins · aviationweather.gov

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