KMTH · MTH Florida Keys Marathon International Airport
Marathon, Florida, United States
Not for navigation. Data: OurAirports (public domain), updated Oct 30, 2026.
Airport facts
- Ident
- KMTH
- IATA
- MTH
- Type
- Medium airport
- Municipality
- Marathon
- Region
- Florida
- Country
- United States
- Elevation
- 5 ft (2 m)
- Coordinates
- 24.7260° N 81.0514° W
24°43′34″N 81°03′05″W - Towered
- No
Runways
| Runway | Length × width | Surface | Lighted | Status |
|---|---|---|---|---|
| 07/25 | 5,008 × 100 ft | Asphalt | Yes | Open |
Frequencies
| Type | Name | MHz |
|---|---|---|
| ASOS | ASOS | 135.525 |
| UNIC | CTAF/UNICOM | 122.800 |
| RDO | MIAMI RDO | 122.600 |
| CNTR | MIAMI CNTR | 133.500 |