MTH · medium airport

Florida Keys Marathon International Airport

Marathon, United States

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MTHmedium airport

Florida Keys Marathon International Airport

Marathon, United States

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Routes out

Destinations

KMTH

ICAO

5 ft

Elevation

TravelerPulse profile

Gateway to the heart of the Florida Keys.

Opened

1944

Location

Marathon, United States

Florida Keys Marathon International Airport (MTH/KMTH) is a public airport located in Marathon, Florida, situated in the middle Florida Keys approximately 50 miles southwest of Miami. It serves as a convenient access point for visitors and residents of the Middle Keys, supporting general aviation, charter, and limited scheduled commercial service. The airport is owned and operated by Monroe County and sits at an elevation of approximately 5 feet above mean sea level. Its single runway, Runway 7/25, stretches roughly 5,008 feet in length, accommodating small to medium regional aircraft. Marathon International Airport plays an important role in the local economy by supporting tourism, fishing charters, and emergency medical transport for the island community. It has undergone various infrastructure improvements over the years to enhance safety and passenger facilities.

Terminals

The airport features a small, single terminal building with basic passenger amenities suited to its regional traffic volume.

Getting to & from

Ground transportation options include rental cars and taxis, with the Overseas Highway (US-1) providing direct road access to Marathon and surrounding Keys communities.

Airlines here

Cape Air has historically provided scheduled service at MTH, connecting Marathon to destinations such as Key West and Naples.

Notable facts

›The airport's origins trace to a World War II military installation.
›Runway 7/25 is approximately 5,008 feet long, limiting service to smaller regional aircraft.
›The airport sits at only about 5 feet above sea level, making it vulnerable to storm surge.
›Marathon is located in the Middle Keys, roughly midway between Key Largo and Key West.
›Monroe County operates several airports in the Florida Keys, including MTH and EYW.

Official website Wikipedia

This profile is provided for general information only. Details may be inaccurate or outdated — always verify with the airport's official website before acting on them.

Airlines serving this airport

No scheduled airline data available.

Routes

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