1
Runway
7
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
ICAO
KMTH
FAA
MTH
Elevation
7.3 ft MSL
Runways
1
Frequencies
7
Tower
No
Fuel
100LL,A1+
Coordinates
24.726, -81.051
Airport Information
Facility Type
AIRPORT
Elevation
7.3 ft MSL
Control Tower
No
Fuel Types
100LL,A1+
ARTCC
MIAMI
Coordinates
24.7263, -81.0514
Ownership
Public
Hours of Operation
Current Weather
METAR KMTH 272053Z AUTO 12006KT 10SM CLR 31/24 A3006 RMK AO2 SLP179 T03110244 58018
Flight Category
VFR
Wind
120° at 6 kt
Visibility
10+ SM
Temperature
31.1°C
Dewpoint
24.4°C
Altimeter
1018.00 inHg
Cloud Cover
CLR
Observed 2026-06-27 20:53Z
Forecast (TAF)
TAF KMTH 272047Z 2721/2818 11007KT P6SM FEW020 SCT025 FM280700 12008KT P6SM VCSH SCT020 BKN035
Valid 2026-06-27 21:00Z – 2026-06-28 18:00Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 07/25 | 5,008 ft | 100 ft | ASPH | MED |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| CTAF | 122.975 | THE FLORIDA KEYS MARATHON INTL |
| KEY WEST RCAG | 306.9 | KEY WEST |
| KEY WEST RCAG | 323.1 | KEY WEST |
| KEY WEST RCAG | XXX.XXX | KEY WEST |
| MARATHON RCO | XXX.XXX | MARATHON |
| MTH ASOS | XXX.XXX | - |
| UNICOM | XXX.XXX | THE FLORIDA KEYS MARATHON INTL |
Active NOTAMs
No active NOTAMs for KMTH.
Nearby Airports in Florida
Nearest airports
- 40FL — Adana Airfield
Punta Gorda
- 40FL — ADANA AIRFIELD
PUNTA GORDA
- FD88 — AERO ACRES
FORT PIERCE
- FD88 — AERO ACRES
FORT PIERCE
- K2IS — AIRGLADES
CLEWISTON
Florida airports
KMTH Operational Overview
Location & Facility
THE FLORIDA KEYS MARATHON INTL (KMTH) is a publicly owned airport open to the public located in MARATHON, Florida, United States. The field sits at an elevation of 7.3 feet above mean sea level (MSL) at coordinates 24.7263°N, 81.0514°W.
Runways
THE FLORIDA KEYS MARATHON INTL has 1 runway. The longest runway (07/25) measures 5,008 feet by 100 feet with a asph surface.
Communications & Operations
THE FLORIDA KEYS MARATHON INTL is a non-towered (pilot-controlled) field. A total of 7 communication frequencies are published for this facility.
Services & Fuel
THE FLORIDA KEYS MARATHON INTL offers 100LL,A1+ fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Current Conditions
The current flight category at THE FLORIDA KEYS MARATHON INTL is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is KMTH?
KMTH is the ICAO identifier for THE FLORIDA KEYS MARATHON INTL, a public-use airport located in MARATHON, Florida, United States.
How many runways does THE FLORIDA KEYS MARATHON INTL have?
THE FLORIDA KEYS MARATHON INTL (KMTH) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of KMTH?
The field elevation of THE FLORIDA KEYS MARATHON INTL is 7.3 feet above mean sea level (MSL).
Is fuel available at KMTH?
Yes, THE FLORIDA KEYS MARATHON INTL offers 100LL,A1+ fuel.
What are the current weather conditions at KMTH?
The current flight category at THE FLORIDA KEYS MARATHON INTL is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KMTH?
There are currently no active NOTAMs for THE FLORIDA KEYS MARATHON INTL.
How do I access complete data for KMTH?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for THE FLORIDA KEYS MARATHON INTL.
Where is THE FLORIDA KEYS MARATHON INTL located?
THE FLORIDA KEYS MARATHON INTL (KMTH) is located in MARATHON, Florida, United States, at an elevation of 7.3 ft MSL.