| Navaid Facility ID: | MTH |
| Official Navaid Facility ID: | MTH |
| Navaid Facility Type: | NDB |
| Navaid Name: | Marathon |
| City: | MARATHON |
| State: | FLORIDA |
| FAA Region: | |
| Latitude: | 24-42-42.777N (24.7119) |
| Longitude: | 081-05-43.132W (-81.0953) |
| Lat/Long Survey Accuracy: | 3rd order triangulation |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | HW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 6.6 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZMA (MIAMI) |
| ARTCC Low Altitude ID (Name): | ZMA (MIAMI) |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| MTH | NDB | MARATHON NDB*FL, Pattern #: 1 |