โฐ Minimum Connection Times
Domestic โ Domestic
45
minutes
Domestic โ International
90
minutes
Interline Connections
120
minutes
๐ข Terminal Information
The Florida Keys Marathon International Airport (MTH) is a premier general aviation facility located in the heart of the Florida Keys, approximately halfway between Key Largo and Key West. As a critical infrastructure asset for Monroe County, the airport serves as a primary gateway for high-end tourism, corporate travel, and private pilots seeking direct access to the middle Keys. A significant milestone for the facility is its permanent 4,200-square-foot U.S. Customs and Border Protection facility, which allows for direct international arrivals from the Caribbean, the Bahamas, and beyond, making it an essential hub for cross-border maritime and aerial travel.
The passenger experience is centered around a world-class general aviation terminal managed by Million Air, a leading Fixed Base Operator (FBO). This modern facility offers a high-quality environment for both travelers and flight crews, featuring a sleek passenger lounge, a dedicated pilot's 'war room' for flight planning, and even a flight simulator for training and recreation. The terminal area also hosts the EAA Museum and various local aviation displays, reflecting the region's rich aeronautical history. Technical facilities are robust, including a 5,008-foot asphalt runway (07/25) capable of accommodating executive jets and regional turboprops, supported by 24-hour self-service 100LL and Jet-A fuel availability.
Beyond its luxury and corporate functions, Marathon International Airport plays a vital role in regional emergency services and environmental monitoring. The airport is a critical base for the U.S. Coast Guard, Florida Fish and Wildlife, and mosquito control operations, as well as a life-saving link for medical evacuations via the Trauma Star helicopter service. Ground transportation is well-organized, with on-site car rental agencies and local taxi services providing a swift commute to the region's world-class resorts and the nearby Seven Mile Bridge. While the airport does not currently host regularly scheduled commercial airline service, it remains a high-efficiency alternative for private charters and a symbol of the Florida Keys' integration into the global aviation network.
๐ Connection Tips
Marathon in the middle Keys works best as a general-aviation gateway, not as a substitute for Miami or Key West commercial flying. If you are arriving here, the next-leg decision is mostly about what part of the Keys you are trying to reach and whether you already have a vehicle reserved. If your stay depends on reaching a resort, marina, dive boat, or vacation rental at a specific time, pre-book the rental car or pickup and do not rely on last-minute availability during holidays, fishing tournaments, or storm-recovery periods. MTH is convenient when used for a deliberate middle-Keys arrival with confirmed ground transport, but it is not a place to improvise if your itinerary depends on precise onward timing.
Monroe County's airport pages describe MTH as a general aviation facility with ground transportation on site, and current FAA data still shows it as a public-use airport with attendance, customs-user-fee capability, and advance-notice requirements for some larger unscheduled operations. Marathon is well placed for the middle Keys, but once you leave the airport you are still dependent on US-1, and traffic, crashes, or weather can stretch travel times much more than mainland distances suggest. If your real destination is Key West or Key Largo, consider whether a different airport would remove an unnecessary road leg.
That combination is useful for private and charter flying, but it does not create a normal airline transfer environment. That makes ground planning more important than the terminal itself. Travelers connecting onward to boats should also leave margin because marinas and operators usually run on their own timetable, not the airport's.
โฐ Minimum Connection Times
Domestic โ Domestic
45
minutes
Domestic โ International
75
minutes
International โ Domestic
75
minutes
International โ International
90
minutes
Interline Connections
120
minutes
๐ข Terminal Information
Albuquerque International Sunport (ABQ) is the primary international airport serving New Mexico, located just three miles southeast of downtown Albuquerque. The airport boasts a distinctive Pueblo-style architectural terminal, which is both aesthetically pleasing and highly functional. This single, multi-level terminal efficiently manages all arrivals and departures, featuring a logical layout designed for passenger convenience. The lower level is dedicated to arriving passengers, housing baggage claim areas (three in total to serve Concourses A and B) and providing direct exits to ground transportation.
The upper level of the terminal is the departure zone, where travelers will find airline ticketing counters, security checkpoints, and access to the two main concourses, Concourse A and Concourse B. Concourse A primarily serves American Airlines, Delta, and United, while Southwest Airlines predominantly operates out of Concourse B. The terminal has a total of 22 gates, ensuring ample capacity for its scheduled domestic flights and limited international services. Recent upgrades include a TSA Checkpoint Terminal Connector Project, which has enhanced security screening with up to four lanes and modern passenger amenities like new escalators and elevators.
Amenities at ABQ are comprehensive for a regional international facility. Passengers can enjoy free Wi-Fi, numerous charging stations, a variety of shops (including those offering local artisanal gifts), and diverse dining options ranging from cafes and fast-food outlets to restaurants serving New Mexican cuisine. Additional facilities like a Meditation Room and an observation deck contribute to a comfortable travel experience, complemented by a notable art collection displayed throughout the terminal.
๐ Connection Tips
Albuquerque International Sunport (ABQ) offers excellent ground transportation connectivity just 3 miles southeast of downtown. ABQ RIDE provides completely free bus service (fare-free since November 2023) with Route 50 connecting the airport to downtown via Union Square Bus Station every 15-30 minutes, taking just 24 minutes total - the bus stop is conveniently located on the lower level at the west end of the shuttle island. Route 50 also connects to the Alvarado Transportation Center downtown where passengers can transfer to the New Mexico Rail Runner Express.
Rail Runner connections are enhanced through Route 350 (Railrunner Connecting bus) and free bus transfers when you have a valid Rail Runner ticket purchased in advance online or via mobile app - otherwise pay the driver a $1 fare each way. Official taxi service is available with fares starting at $35 to downtown Albuquerque through companies like ABQ Metro Taxi (505-450-8580) and Aspen Rides (505-388-3692). Ride-sharing via Uber and Lyft requires pre-booking as street hailing is not permitted.
For Santa Fe destinations, Groome Transportation operates 30 daily trips taking 75 minutes with variable pricing, while RoadRunner Charter provides door-to-door service to Santa Fe and Los Alamos areas. The Rail Runner Express connects Santa Fe, Albuquerque, and Belen with convenient airport shuttle connections. Recent December 2025 improvements under the ABQ RIDE Forward Network Plan enhanced transit connectivity throughout the metropolitan area.
โ Back to The Florida Keys Marathon Airport