What does MTH stand for?

MTH is the IATA code for The Florida Keys Marathon Airport (ICAO KMTH) in Marathon, FL.

Where is The Florida Keys Marathon Airport?

The Florida Keys Marathon Airport is located in Marathon, FL.

Does The Florida Keys Marathon Airport have commercial airline service?

No — The Florida Keys Marathon Airport does not receive scheduled airline flights. It primarily serves general aviation, private charter, and corporate operators.

How long is the runway at The Florida Keys Marathon Airport?

The longest runway at The Florida Keys Marathon Airport measures 5,008 ft (1,526 m).

What is the elevation of The Florida Keys Marathon Airport?

The Florida Keys Marathon Airport sits at 5 ft above sea level.

What timezone is The Florida Keys Marathon Airport in?

The Florida Keys Marathon Airport operates on America/New_York.

How many private-jet empty legs are available at The Florida Keys Marathon Airport?

SkyAccess currently tracks 2 departing and 2 arriving private-jet empty legs at The Florida Keys Marathon Airport over the next six months. Browse and book each leg with a free account.

The Florida Keys Marathon Airport

Q: What is KMTH airport?

KMTH is the ICAO code for The Florida Keys Marathon Airport (IATA MTH), located in Marathon, FL.

KMTHMTHMarathon, FL·Medium Airport

KMTH is the ICAO code for The Florida Keys Marathon Airport (IATA MTH), located in Marathon, FL.

Browse all empty legs from KMTH →

Airport guide

Florida Keys Marathon International Airport (KMTH) sits in Marathon, Florida, in the Middle Keys. The single 5,008 ft runway handles every current business jet. Field elevation 7 ft, no density-altitude concerns. KMTH is the structural Middle Keys gateway — Hawks Cay Resort, Isla Bella, plus the broader Florida Keys leisure corridor. Ground time to Hawks Cay is 15 minutes; Key West via US-1 is 60.

Background from Wikipedia

The Florida Keys Marathon International Airport is a public airport located along the Overseas Highway (US1) in Marathon, in Monroe County, Florida, United States. The airport covers 197 acres (80 ha) and has one runway.

Excerpted from Wikipedia, available under the Creative Commons Attribution-ShareAlike License.

Empty legs departing KMTH (2)

Jul 10, 2026

KMTH → KHXD(Hilton Head Island, SC)

Beechcraft Hawker 850XP · MID_SIZE_JET

$5,622

Jul 19, 2026

KMTH → KFXE(Fort Lauderdale, FL)

The Florida Keys Marathon Airport

Airport guide

Background from Wikipedia

Empty legs departing KMTH (2)

Empty legs arriving KMTH (2)

Nearby airports

Popular private jet airports

Frequently asked questions about The Florida Keys Marathon Airport

References