Private jet airport · Marathon, FL
Florida Keys Marathon International Airport (MTH)
Florida Keys Marathon is one of the airports serving Key West, with airline service alongside private flights, 47 miles from Key West. It has one runway, the longest 5,008 ft, U.S. Customs for a fee and jet fuel.
- Longest runway
- 5,008 ft
- asphalt, 100 ft wide
- Elevation
- 7 ft
- above sea level
- To downtown
- 47 mi
- straight line to Key West
- U.S. Customs
- User-fee
- per the FAA record
Runways to scale, north up, from FAA airport data (cycle October 1, 2026). A schematic, not for navigation.
Runways
Which private jets can use MTH?
General guidance from the longest paved runway. We assume each size needs its typical full-weight takeoff length, lengthened 8% per 1,000 ft of elevation. Hot days, wet runways and the operator's own limits change it, so the operator confirms each flight.
- Light jetPhenom 300, Citation CJ3 · needs about 4,000 ft hereUsually fits
- Midsize jetCitation XLS, Learjet 60 · needs about 5,000 ft hereUsually fits
- Super-midsize jetChallenger 350, Citation Longitude · needs about 5,500 ft hereOften, with limits
- Large jetChallenger 650, Gulfstream G450 · needs about 6,000 ft hereOften, with limits
- Ultra-long-range jetGlobal 7500, Gulfstream G650 · needs about 6,500 ft hereNot a usual fit
Runways at MTH
- Runway 07/255,008 × 100 ft · asphalt
FBOs and services
FBOs and private jet services at MTH
Private flights at MTH use an FBO (fixed-base operator): a private terminal with a lounge, fuel, ramp and hangar space, and ground handling, where you drive up to the aircraft. We don't list FBO names, as the FAA's record doesn't include them; on a charter the operator chooses one, and we'll tell you which. What an FBO is, and what to expect
- U.S. Customs
- User-fee
- A U.S. Customs user-fee airport (customs on request, for a fee).
- Jet fuel
- Available
- Grades listed: 100LL, A1+.
- Control tower
- No
- Untowered: pilots coordinate by radio.
- Airline service
- Yes
- Private flights use the FBO side, away from the airline terminal.
- Airframe repair
- Minor
- Maintenance on the field, per the FAA record.
- Other services
- Flight training, Aircraft rental, Aircraft sales
- Noise rules
- In effect
- Noise abatement procedures apply to departures.
- Codes
- MTH
- ICAO KMTH · IATA MTH
Location
Private jet airports near Key West
Straight-line miles from Key West, and a rough drive without traffic. Click another airport for its page.
- MTH to Key West: 47 miles from Key West, straight line; roughly 80 to 150 minutes by car.
Other private jet airports nearby
Popular routes
Private jet routes from Key West
One-way estimates on the jet size each trip calls for, from published jet card rates. They're priced from Key West's main airport; leaving from MTH changes the quote a little. Estimates, not quotes.
Florida Keys Marathon International Airport: questions
What FBOs are at Florida Keys Marathon International Airport?
We don't list FBO names: the FAA's airport record doesn't include them, and directories that do aren't ours to republish. An FBO (fixed-base operator) is the private terminal: lounge, fuel, ramp, hangar and ground handling. On a charter, the operator chooses the FBO at MTH; ask us which one your flight uses and we'll tell you before you go.
Can a large private jet use MTH?
MTH's longest paved runway is 5,008 ft at 7 ft elevation. As general guidance, light jet and midsize jets usually fit; super-midsize jet and large jets often do with less fuel or fewer passengers. Weather, weight and the operator's rules decide each flight.
Does MTH have customs for international private flights?
Yes. The FAA lists MTH as a U.S. Customs user-fee airport (customs on request, for a fee). Hours and notice requirements vary, so the operator files ahead and the arrival is planned around them.
How far is MTH from Key West?
47 miles from Key West, straight line; roughly 80 to 150 minutes by car, depending on traffic. Other private jet airports for Key West: Key West International Airport (EYW), 46 miles away.
How much is a private jet from MTH?
Estimated one-way costs from Key West: Palm Beach $5.5k–$6.5k (light jet), Nassau $7k–$8.5k (light jet), Sarasota $5.5k–$7k (light jet). These are estimates from published jet card rates, not quotes; the departure airport, date and repositioning change the number.
Keep going
Sources: FAA National Airspace System Resource (NASR) airport data, cycle October 1, 2026 (runways, elevation, tower, customs, fuel and remarks); city centres from GeoNames (CC BY 4.0). Runway guidance is general and conservative, not performance data. Not for navigation.
Charter Sales
Tell us the trip. We'll tell you the number.
Route, dates, rough timing, how many people. That is enough to start, and you get a firm price for that specific trip rather than a range.
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