Florida Keys Marathon International Airport
Marathon, United States

Florida Keys Marathon International Airport
Gateway to the heart of the Florida Keys.
- ›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.
Florida Keys Marathon International Airport serves the mid-Keys community of Marathon, offering a vital air link to one of America's most scenic island chains. Originally developed during World War II, the airport sits on a narrow strip of land surrounded by the turquoise waters of the Atlantic and Gulf of Mexico. It primarily serves general aviation and charter flights, acting as a convenient alternative to the busier Key West International Airport for visitors exploring the middle Keys.
- Main Terminal — A compact, single-building terminal handling general aviation, charter operations, and limited scheduled services with basic passenger amenities.
- Rental cars available on-site from select agencies
- Taxi and rideshare services (Uber/Lyft available in the Marathon area)
- Pre-arranged private shuttle or charter transfers
- Key West Transit bus routes accessible near the airport
- Isla Bella Beach Resort
- Courtyard by Marriott Marathon
- Hyatt Place Marathon - Florida Keys
- Tranquility Bay Beach House Resort
- Marathon Key Beach Club
Dining options inside the terminal are extremely limited given the airport's small scale, so travelers are advised to eat before arrival or after reaching their destination. The surrounding Marathon area offers a strong selection of casual seafood restaurants and Keys-style eateries along the Overseas Highway, including local favorites for fresh fish and lobster. Nearby Seven Mile Grille and similar spots are popular stops for travelers exploring the mid-Keys.
- The airport primarily serves charter and general aviation traffic — confirm your carrier's exact check-in location in advance.
- Rental car availability can be limited; book well ahead, especially during peak winter and spring break seasons.
- Marathon sits roughly halfway between Miami and Key West on US-1, making it a strategic base for exploring both ends of the Keys.
- Weather in the Keys can shift quickly; check for afternoon storm advisories during summer months that may affect small aircraft schedules.
AI-assisted overview, verified against public sources.
Airlines serving this airport
No scheduled airline data available.
Routes
No route data available.
Pick what matters for your layover or early flight, then compare on your favorite booking site.
IndianAirports may receive compensation when you book or purchase through some of the links on this page, at no additional cost to you. Prices and availability are set by the booking provider and may change. We never share your private trip details with partners — only the destination, dates and party size you searched.
City & Place Guide
No guide exists for this place yet — Click to generate a Traveler Pulse guide.
Passport, Visa & Immigration
Flying internationally via MTH? Check entry, transit and customs requirements for United States from official government sources.
