Top Rent a Car Car Rental Deals in Grassy Key

Pick-up and drop-off

Same as pick-up

Pick-up time

Drop-off time

Driver under 30 or over 70 years old

Young or senior drivers may be required to pay an additional fee.

Compare car suppliers to unlock big savings, and package your flight, hotel, and car to save even more.

Members save 10% more on select hotels, cars, activities and vacation rentals. Sign up.Opens in a new window

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

Heading to Grassy Key? Explore Grassy Key with Expedia's Travel Guides to find the best hotels, vacation packages, car rental deals and more!

Members save 10% or more on over 100,000 hotels worldwide when you’re signed in