Mercer Island Car Rental

Search and Compare from Car Companies in Mercer Island

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 holiday rentals. Sign up.Opens in a new window

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

Beautiful view of the beach with palm trees

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Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.
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Frequently asked questions

What happens if I need to cancel my Mercer Island car reservation?
Scan over your cancellation policy to be sure, but the majority of bookings qualify for a full refund if you notify us more than six hours prior to collecting the car. There are some exclusions though. Your itinerary will have more information, or just click through to our Customer Service Portal.
Why should I rent a Mercer Island car with Expedia?
From member exclusive discounts to our convenient vacation packages, there are plenty of reasons to rent a car with Expedia. Road tripping around Mercer Island? There are suppliers to select from, with vehicles to suit all budgets and styles. If you want to save more, combine your rental car with your flights and hotel. Ready to hop behind the wheel? We’re ready to help get you on your way.
How do I find the best car rental deals in Mercer Island with Expedia?
Check out reviews and ratings, choose your car class and compare prices from leading brands. Expedia makes it easy to pick up the best deal on your rental wheels. Bundle your Mercer Island car rental with hotel or flight bookings and drive off with extra savings.
What do you need to rent a car in Mercer Island?
Your driver’s license and a credit card in the same name are essentials. Don’t want to take out the company’s insurance plan? If that’s the case, you may need proof of other coverage. Requirements may differ between rental suppliers, so be sure to read through your policy.
Can I rent a car for a month or longer in Mercer Island?
Yes, which means you won’t have to rebook a rental vehicle in the middle of your vacation. Click on our long-term car rental deals page, enter your trip details and lock in a set of wheels that’s all yours for however long you want.
Where can I find a Mercer Island car rental if I am younger than 25?
This will depend on the rental companies located in Mercer Island. They often have different policies when it comes to minimum ages. If you’ve found a place that does cater to drivers under 25 years of age, be aware that additional costs may apply. Conduct some research into what those charges could be before booking your rental car.