Airports / Florida / MTH
Florida Keys Marathon International Airport
KMTH / MTHMarathon, FloridaELEV 5 FT
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
#23 / 79
Florida airports by Google rating
4.6★ across 104 Google ratings — ranked against 79 rated FL fields.
36 nm
To the nearest alternate
Naval Air Station Key West/Boca Chica Field (NQX) — 2 fields within 50 nm.
Overview
Located in Marathon, Florida, Florida Keys Marathon International Airport (KMTH / MTH) operates as a mid-sized airport. The field lies at an elevation of 5 feet. The field has no airline schedules, which keeps it focused on private and general aviation flying.
MTH has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Naval Air Station Key West/Boca Chica Field (NQX, 36 nm), Key West International Airport (EYW, 40 nm), and Miami Homestead General Aviation Airport (KX51, 54 nm).
Quotes for flights out of MTH vary with aircraft type, repositioning, and schedule flexibility. Use the cost estimator to model a trip from MTH, or browse verified operators serving the area.
What fliers highlight
Easy in & out
2/5 reviews“The pilot was very friendly and the 30 minute ride went by quickly.”
carol maurer5★ on Google
Staff & service
2/5 reviews“The pilot was very friendly and the 30 minute ride went by quickly.”
carol maurer5★ on Google
Themes counted by keyword across Google review texts for Florida Keys Marathon International Airport — every quote is verbatim from a real review.
Field capability
ICAO
KMTH
IATA
MTH
FAA / Local
MTH
Elevation
5 ft
Coordinates
24.7260° N · 81.0514° W
Airspace
G · GolfClass G — GolfUncontrolled field — no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
No
Elevation vs FL fields
state range 3–213 ft
At 5 ft, MTH sits lower than 94% of the 82 Florida fields on the register.
Access & alternates
Closest alternate fields by great-circle distance — every listing links to its own field brief.
- 36nmNQXNaval Air Station Key West/Boca Chica FieldKey West
- 40nmEYWKey West International AirportKey West
- 54nmKX51Miami Homestead General Aviation AirportHomestead
- 55nmOCAOcean Reef Club AirportKey Largo
- 58nmHSTHomestead Air Reserve BaseHomestead
- 65nmTMBMiami Executive AirportMiami
Location
Open the full mapKMTH · Florida Keys Marathon International Airport · Marathon, FL
From the ramp
Google Places photography of Florida Keys Marathon International Airport — tap any frame to view full-screen, then cycle with the arrows or your keyboard.