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Florida Keys Marathon International Airport (MTH)

The Florida Keys Marathon International Airport is a dynamic general aviation airport that is located gulfside in the City of Marathon at US 1 Mile Marker (MM) 52, in Florida's Middle Keys. The airport services privately owned, corporate and charter aircraft.

The airport was constructed during World War II as an airstrip for bomber training. Today the facility boasts a public airport terminal with ample parking, car rental agencies, Greyhound bus pickup, airport taxi service, two full-service fixed base operators (FBO) and a U.S. Customs & Border Protection Airport User Fee Facility (slated to open late 2015).

Jet Center

General Aviation Services & Aircraft Ground Support


Marathon General Aviation
FBO is located on the eastern end of the airport, and caters primarily to piston-powered aircraft with both full and self-service fuel, aircraft parking, hangars, pilot supplies and line service personnel.
Phone: 305-743-4222
After hours: 305-481-6919
Provides 24-hour, self serve and on-call professional, concierge and aviation fuel services for piston aircraft. Fueling hours 8 a.m. - 6 p.m. Daily

Marathon Jet Center
FBO is located on the west end of the field that services both corporate and private jets.
Phone: 305-743-1995 from 7 a.m. - 7 p.m. Sunday-Saturday
After Hours: 305-481-7615
Provides year-round, first class service catering to the unique needs of jet and turboprop aircraft.

Questions About Airport Charter & Air Shuttle Services? Call 305-743-4222

Ground Transportation Located Inside Airport Terminal

Car Rental Agencies

  • Avis - 305-743-5428
    Hours: Mon - Fri 8 a.m. - 6 p.m.; Sat 8 am. - 4 p.m.; Sun 9 a.m. - 2 p.m.

  • Budget - 305-743-3998
    Hours: Mon - Fri 8 a.m. - 6 p.m.; Sat 8 am. - 4 p.m.; Sun 9 a.m. - 2 p.m.

  • Enterprise - 305-289-7630
    Hours: Mon - Fri 8 a.m. - 5 p.m.; Sat 9 a.m. to 2 p.m.; closed Sun

Buses, Taxis & Airport Shuttles

  • Key Hopper Taxi & Transportation: 305-393-0146; 305-395-2353

  • Greyhound Lines: 1-800-231-2222 or 305-296-9072
    Bus stop/pickup at airport. Bus tickets can be purchased locally at Marathon Chamber of Commerce, 305-743-5417; 1-800-262-7284
Marathon Chamber of Commerce


For additional help, staff at the Marathon Chamber of Commerce are available to answer visitor questions about travel to Marathon and the Florida Keys.

Call toll-free 1-800-262-7284, local 305-743-5417 or visit the Chamber's website.

Other Airport Businesses & Attractions

Overseas Aero Tours

Overseas Aero Tours
Scenic air tours in a vintage, open-cockpit Waco UPF-7 biplane. Fly in this classic 1940 plane on scenic trips of 10 to 20 minutes over the islands of Marathon, historic Pigeon Key and the old and new Seven Mile bridges, while the pilot shares local and historic trivia over an in-helmet microphone with the plane's two passengers.

EAA Chapter 1241 and Aviation Museum

EAA Chapter 1241 and Aviation Museum

Open daily 10 a.m. to 4 p.m., the museum features artifacts, historic photographs, memorabilia, books and a flight simulator.

A rented hangar space behind the small museum houses a Beechcraft Model 18. Visitors can climb inside the twin-engine cargo plane that transported passengers including military officers during World War II, or sit inside the eye-catching 1942-era military DC-3.

There is no admission cost, but donations are welcome to help maintain the mid-Keys attraction that is partially funded by the southernmost Experimental Aircraft Association Chapter 1241.

Island Hopper Aerial Adventures

Island Hopper Aerial Adventures
Air shuttle service by twin engine aircraft to/from Key West, Marathon, and all mainland commercial airports. On-Demand charter service throughout the Southeast.

Old City Helicopters, LLC - Helicopter Tours of the Florida Keys
Helicopter tours throughout the Florida Keys.

Federal Express

Florida Keys Mosquito Control District

City of Marathon Fire Station #14

Monroe County Trauma Star Air Ambulance

Antique Aircraft Restorations, Inc.
A full service maintenance facility.