Title: $4 Car Rental Dolphin Research Center, FL - Expedia.com [Marathon Travel Guide](https://expedia.com/Marathon.dx2437)[Dolphin Research Center Hotels](https://expedia.com/Dolphin-Research-Center-Hotels.0-l6069241-0.Travel-Guide-Filter-Hotels)[Flights to Marathon](https://expedia.com/Cheap-Flights-To-Marathon.d2437.Travel-Guide-Flights)[Things to do in Marathon](https://expedia.com/Things-To-Do-In-Marathon.d2437.Travel-Guide-Activities)[Dolphin Research Center Vacations](https://expedia.com/Dolphin-Research-Center-Marathon.d6069241.Vacation-Attraction) ![](https://images.trvl-media.com/place/6069241/06098647-0cf2-444a-a5ad-496d92022883.jpg?impolicy=fcrop&w=1200&h=300&q=medium) # $4 Car Rental Dolphin Research Center, FL ## Search and Compare from Car Companies in Dolphin Research Center ## Featured car rental suppliers Compare from agencies ![car suppliers logo](https://forever.travel-assets.com/flex/flexmanager/images/2022/02/16/car-suppliers-logo-desktop.jpg) - ![protection illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__protection.svg) ### Change your mind Penalty-free cancellation on many/select car rentals - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Treat yourself One Key members save 10% or more on over 1 million car rentals [Learn about One Key](https://www.expedia.com/welcome-one-key) - ![package illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__package.svg) ### Shop smart Compare car suppliers and package your flight, hotel, and car to save ## Top Car Deals in Dolphin Research Center \* Price found within the past 6 days. Click for updated prices. Wed, Feb 25 - Thu, Feb 26 ### Midsize Hyundai Elantra or similar - 5 people - Unlimited mileage ![Nextcar](//mediaim.expedia.com/cars/logos/NC.png) Miami, Florida, USA ![Hyundai Elantra](//mediaim.expedia.com/cars/1061/357e002d-4c0d-4609-add4-0f0e723565aa.jpg) #### $4 includes taxes & fees $4 per day found 3 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.801190&olon=-80.263070&date1=2/25/2026&date2=2/26/2026&pprfrr=4.00&tprfrr=4.0&cvrfrr=NC&ctrfrr=IC&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22midsize%22]) Wed, Feb 25 - Thu, Feb 26 ### Economy Hyundai Accent or similar - 5 people - Unlimited mileage ![Nextcar](//mediaim.expedia.com/cars/logos/NC.png) Miami, Florida, USA ![Hyundai Accent](//mediaim.expedia.com/cars/1061/6963b95d-bd2e-4d62-a4b6-e52c40efbc17.jpg) #### $4 includes taxes & fees $4 per day found 3 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.801190&olon=-80.263070&date1=2/25/2026&date2=2/26/2026&pprfrr=4.00&tprfrr=4.0&cvrfrr=NC&ctrfrr=EC&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22economy%22]) Wed, Feb 25 - Thu, Feb 26 ### Compact Nissan Versa or similar - 2 people - Unlimited mileage ![Nextcar](//mediaim.expedia.com/cars/logos/NC.png) Miami, Florida, USA ![Nissan Versa](//mediaim.expedia.com/cars/1061/2f1760f5-339e-45fc-99b8-885f0abf9ea8.jpg) #### $4 includes taxes & fees $4 per day found 3 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.801190&olon=-80.263070&date1=2/25/2026&date2=2/26/2026&pprfrr=4.00&tprfrr=4.0&cvrfrr=NC&ctrfrr=CC&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22compact%22]) Wed, Feb 25 - Thu, Feb 26 ### Standard Hyundai Sonata or similar - 5 people - Unlimited mileage ![Advantage](//mediaim.expedia.com/cars/logos/AD.png) Miami, Florida, USA ![Hyundai Sonata](//mediaim.expedia.com/cars/3/0048ced2-7aa5-4161-bde5-3362094c5e4f.jpg) #### $16 includes taxes & fees $5 per day found 3 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.801360&olon=-80.263120&date1=2/25/2026&date2=2/26/2026&pprfrr=5.0&tprfrr=15.93&cvrfrr=AD&ctrfrr=SD&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22standard%22]) Wed, Feb 25 - Thu, Feb 26 ### Mini Hyundai I10 or similar - 5 people - Unlimited mileage ![Advantage](//mediaim.expedia.com/cars/logos/AD.png) Miami, Florida, USA #### $16 includes taxes & fees $5 per day found 3 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.801360&olon=-80.263120&date1=2/25/2026&date2=2/26/2026&pprfrr=5.0&tprfrr=15.93&cvrfrr=AD&ctrfrr=MC&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22mini%22]) Sun, Mar 1 - Mon, Mar 2 ### Fullsize Hyundai Sonata or similar - 5 people - Unlimited mileage ![Priceless Car Rental](//mediaim.expedia.com/cars/logos/PR.png) Miami, Florida, USA ![Hyundai Sonata](//mediaim.expedia.com/cars/1060/2138cb49-c80d-42e7-8e60-6e48f0123590.jpg) #### $8 includes taxes & fees $8 per day found 13 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.800090&olon=-80.261810&date1=3/1/2026&date2=3/2/2026&pprfrr=7.94&tprfrr=7.94&cvrfrr=PR&ctrfrr=FC&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22fullsize%22]) Sun, Mar 1 - Mon, Mar 2 ### Special Wild Card Compact or larger if available or similar - 5 people - Unlimited mileage ![Thrifty](//mediaim.expedia.com/cars/logos/ZT.png) Miami, Florida, USA ![Wild Card Compact or larger if available](//mediaim.expedia.com/cars/45/c51b48dd-8870-4d51-8c96-7f12f1215074.jpg) #### $56 includes taxes & fees $24 per day found 12 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.796980&olon=-80.261980&date1=3/1/2026&date2=3/2/2026&pprfrr=24.00&tprfrr=55.69&cvrfrr=ZT&ctrfrr=XX&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22other%22]) Fri, Feb 27 - Sat, Feb 28 ### Standard Elite Special Ford Mustang Mach-E or similar - 5 people - Unlimited mileage ![Budget](//mediaim.expedia.com/cars/logos/ZD.png) Miami, Florida, USA ![Ford Mustang Mach-E](//mediaim.expedia.com/cars/39/9eb70d2f-e3e7-4e36-9e24-1505e077c35a.jpg) #### $70 includes taxes & fees $51 per day found 2 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.796950&olon=-80.260880&date1=2/27/2026&date2=2/28/2026&pprfrr=50.99&tprfrr=70.16&cvrfrr=ZD&ctrfrr=RX&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22standard%22]) Fri, Feb 27 - Sat, Feb 28 ### Midsize Elite Tesla Short Range Model 3 or similar - 5 people - Unlimited mileage ![Avis](//mediaim.expedia.com/cars/logos/ZI.png) Miami, Florida, USA ![Tesla Short Range Model 3](//mediaim.expedia.com/cars/41/0ac156b6-4dc7-450c-90e2-8f4e9c0dda1d.jpg) #### $71 includes taxes & fees $52 per day found 2 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.796944&olon=-80.260833&date1=2/27/2026&date2=2/28/2026&pprfrr=51.99&tprfrr=71.35&cvrfrr=ZI&ctrfrr=JC&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22midsize%22]) Fri, Feb 27 - Sat, Feb 28 ### Premium Dodge Charger or similar - 5 people - Unlimited mileage ![Fox](//mediaim.expedia.com/cars/logos/FX.png) Miami, Florida, USA ![Dodge Charger](//mediaim.expedia.com/cars/19/ddb48b2b-dafa-4cfe-abc4-1beccbbeebb7.jpg) #### $69 includes taxes & fees $54 per day found 2 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.796500&olon=-80.248400&date1=2/27/2026&date2=2/28/2026&pprfrr=53.94&tprfrr=68.54&cvrfrr=FX&ctrfrr=PC&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22premium%22]) Fri, Feb 27 - Sat, Feb 28 ### Premium Elite Mercedes GLE BMW X5 or similar - 5 people - Unlimited mileage ![National](//mediaim.expedia.com/cars/logos/ZL.png) Miami, Florida, USA ![Mercedes GLE BMW X5](//mediaim.expedia.com/cars/42/8d41756a-882a-4de1-88d5-c812e801f638.jpg) #### $187 includes taxes & fees $150 per day found 2 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.798620&olon=-80.260406&date1=2/27/2026&date2=2/28/2026&pprfrr=149.99&tprfrr=187.04&cvrfrr=ZL&ctrfrr=UD&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22premium%22]) Wed, Feb 25 - Thu, Feb 26 ### Luxury Elite SUV BMW X7 Range Rover Sport or similar - 5 people - Unlimited mileage ![National](//mediaim.expedia.com/cars/logos/ZL.png) Miami, Florida, USA ![BMW X7 Range Rover Sport](//mediaim.expedia.com/cars/42/197aa149-a2d5-4d22-9f90-a553b64be613.jpg) #### $301 includes taxes & fees $246 per day found 2 hours ago [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&olat=25.798620&olon=-80.260406&date1=2/25/2026&date2=2/26/2026&pprfrr=246.0&tprfrr=301.18&cvrfrr=ZL&ctrfrr=WF&crfrr=pricefeedResponseFlex&SearchType=Place&selCC=[%22suv%22]) ### Don't see what you're looking for? See all car rentals in Dolphin Research Center [View all cars](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=Dolphin%20Research%20Center,%20Grassy%20Key,%20Florida,%20United%20States%20of%20America&dpln=6069241&date1=3/2/2026&date2=3/4/2026&crfrr=defaultFlex&SearchType=Place) Lowest prices found within the past 3 hours. Prices and availability subject to change. Additional terms may apply. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=CTG_SPRING_PROMO_6069241) ## Frequently asked questions ### Can I rent a car near Dolphin Research Center? ### How much is car rental near Dolphin Research Center? ### How much is parking near Dolphin Research Center? ### Are there electric car charging stations near Dolphin Research Center? ### Where is Dolphin Research Center in Marathon? ### What else is there to do near Dolphin Research Center? ### What time does Dolphin Research Center open and close? ## Car Rental Information | Popular car types | [SUV](https://www.expedia.com/lp/b/car-rental/suv?rfrr=car.table.SUV), [Full Size](https://www.expedia.com/lp/b/car-rental/fullsize?rfrr=car.table.FullSize), [Economy](https://www.expedia.com/lp/b/car-rental/economy?rfrr=car.table.Economy) | | ------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Car suppliers available | | | Our best deal of the day | $4 | | Our second best deal of the day | $8 | | Our third best deal of the day | $16 | | From the airport to your hotel | [Airport Transportation](https://www.expedia.com/ground-transfers?rfrr=car.table.AirportTransportation) | | From popular domestic and international airports | [Airport Car Rentals](https://www.expedia.com/lp/b/car-rental/airport) |