Grassy Key Cheap Car Rentals & Car Hire Deals

Compare rent a car rates in Grassy Key from popular car rental companies

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Enjoy maximum flexibility with penalty-free cancellation on most car rentals.

Explore Grassy Key with Cheap Car Rentals and Car Hire Deals

* Price found within the past 6 days. Click for updated prices.

Economy

Chevrolet Spark or similar
  • 4 people
Grassy Key, Florida, USA
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus or similar
  • 4 people
Grassy Key, Florida, USA
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla or similar
  • 5 people
Grassy Key, Florida, USA
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass or similar
  • 5 people
Grassy Key, Florida, USA
Jeep Compass
SUV Jeep Compass

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Frequently asked questions

Can I rent a car from Marathon, FL (MTH-Florida Keys Marathon)?
Touch down at Marathon, FL (MTH-Florida Keys Marathon) and then head for Budget or Avis, both a short distance away. You'll be exploring the sights and sounds of Grassy Key in your own set of wheels in no time at all.
What happens if I need to cancel my Grassy Key car reservation?
Our Customer Service Portal has information about this. In most cases, full refunds are provided if a prepaid booking is cancelled at least six hours prior to pickup. Be sure to read the rental policy to see if there are any exceptions.
How do I find the best car rental deals in Grassy Key with Expedia?
Expedia makes it a cinch to compare costs, offers and rental companies, and to check reviews. Combine your Grassy Key car rental with flight or hotel bookings and you'll make even bigger savings.
How old do you have to be to rent a car in Grassy Key?
Drivers 21 and over can hit the road in Grassy Key in a rental car. If you're a young motorist, a daily surcharge will apply. You'll usually be restricted to a few car categories, such as economy and mid-size, and may also have to purchase an all-inclusive insurance rate. Always enter the correct age of the main driver when booking to learn if any restrictions apply.
What do you need to rent a car in Grassy Key?
Renting a car in Grassy Key is easy. Generally, all you'll need is your driver's licence and a credit card in your name. Once you've settled on the perfect set of wheels, read your policy to ensure there are no additional requirements prior to the pickup date.
Can I rent a car for a month or longer in Grassy Key?
You can. Expedia partners with trusted companies that offer long-term rentals for many categories of cars. Reserve one of our long-term car rental deals and discover every nook and cranny of Grassy Key — or beyond!
Where can I find a Grassy Key car rental if I am younger than 25?
If you're a young driver hoping to rent a car in Grassy Key, we recommend reading the policies of the rental companies you're interested in. Some may rent to drivers under the age of 25, some may not. There may be surcharges if you're aged between 21 and 24. To escape any surprise fees and charges at the rental desk, make sure you know what to expect.

Information on Car Rentals

 
Popular Car Rental Types:
Hire a SUV, Economy, Luxury, Full Size
 
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Airport to hotel transportation:
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