Rent a Car at Florida Keys Marathon Airport (MTH)

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On a 5+ day rental
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$10 off

On a 3 day rental of $175+
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Florida Keys Marathon Airport (MTH)

Address:

9400 Overseas Hwy,
Marathon, FL, Florida, 33050, United States

Phone:

3057433998

Location Type:

Corporate

Hours of Operation:

Sun 9:00 AM - 1:00 PM; Mon - Fri 8:00 AM - 5:00 PM; Sat 8:00 AM - 4:00 PM

Holiday Hours:

2026
LABOR DAY   September  7  08:00AM - 02:00PM
THANKSGIVING   November  26  closed
CHRISTMAS   December  25  closed

2027
NEW YEARS DAY   January  1  08:00AM - 02:00PM
CHRISTMAS EVE   December  24  08:00AM - 04:00PM
NEW YEARS EVE   December  31  08:00AM - 04:00PM

Keydrop Location

If flying in, the rental counter is within the terminal with a short walk to the car lot.

fast-break-logo

Location Information

Where Is Budget at the Florida Keys Marathon International Airport?

Fastbreak Service
Proceed to the Budget counter Fastbreak line/or normal line if no Fastbreak line designation/or follow directions to the Fastbreak Kiosk. Present identification and receive your rental agreement. The counter representative will give the customer the keys & directions to their car.
FASTBREAK RETURN: Follow the airport signs for Car Rental return. You do not need to return to the counter to complete your rental. Record your mileage and fuel level on the rental agreement and drop it in the Budget Fastbreak return box. A closed rental agreement will be mailed to you within 48 hours.
General Directions
COUNTER: Located near the baggage claim area.

CARS: Vehicles are located in the airport parking lot.

RETURNS: Same as pick-up.
After-hours Returns
Customer must fill out contract & drop keys inside the drop box located at the front door. The key drop box is on the left hand side of the location's access front/exit door and labeled Avis Budget After Hours Return.

Florida Keys Marathon Rental Car Return

Need to drop off your Florida Keys airport car rental? Simply follow the signs for Rental Car Return as you approach the airport; drop-off is in the same spot as the airport pickup lot. We make the return process quick and easy.

Marathon Airport Car Rental Information

The Budget team has you covered for your Marathon Airport car rental. We have an expansive catalog of rentals, and we’re confident that you can find a vehicle perfect for your needs. Whether you’re in the area for a weekend getaway to visit Bahia Honda Key or need a long-term car rental for an extended vacation, we’re proud to have great deals and perks.

  • Fastbreak Membership: Our Budget Fastbreak Membership makes it easier to pick up or drop off your Marathon car rental. You can skip the line and claim your car just by showing your license.

  • Cheap Prices: Our team has unparalleled cheap prices. Besides our already low rates, we regularly offer different discounts and coupons. You’ll also benefit from our Best Rate Guarantee—just in case you find a better deal elsewhere!

What Is the Cheapest Car Rental at Florida Keys Marathon Airport?

For your Marathon, Florida, car rental, you can compare all our available vehicles and their rates after you submit your pickup and drop-off details on our reservation form. When filling out the form, navigate to “Select My Car” to see which vehicles we have available at your location.

Passenger Vans

Have a lot of passengers or need extra space for your cargo? We have passenger vans for rent at MTH, making visiting the Dolphin Research Center easy.

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One-Way Car Rental

Are the Keys just the first leg of your journey? At Budget, we have locations across the USA, meaning you can easily schedule a drop-off for your one-way car rental.

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Premium SUVs

For your Marathon, FL, car rental, you can also explore our premium SUVs, letting your group visit destinations like the John Pennekamp Coral Reef State Park.

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Long-Term Car Rental

Many people require a monthly car rental. With a long-term car rental, you can fully explore exciting destinations like the Fort Zachary Taylor Historic Park.

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Popular Car Rentals

For exploring iconic destinations like the Hemmingway Home and Museum or Dry Tortugas National Park, choose a popular car rental, including SUVs, cars, vans, and pickup trucks.

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Convertibles Rental

For your Marathon Airport car rental, you can choose a sleek, exciting convertible and make your way to popular attractions like Duval Street or the Key West Lighthouse.

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Terms and Conditions

Terms & Conditions