Title: Grassy Key Travel Guide: Best of Grassy Key, Marathon Travel 2026 | Expedia.co.uk [Hotels in Grassy Key](https://expedia.co.uk/Grassy-Key-Hotels.d3000451823.Travel-Guide-Hotels)[Holiday Rentals in Grassy Key](https://expedia.co.uk/Grassy-Key-Holiday-Rentals.d3000451823.Travel-Guide-HolidayRentals)[Flights to Grassy Key](https://expedia.co.uk/Cheap-Flights-To-Grassy-Key.d3000451823.Travel-Guide-Flights)[Things to do in Grassy Key](https://expedia.co.uk/Things-To-Do-In-Grassy-Key.d3000451823.Travel-Guide-Activities)[Grassy Key Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Grassy-Key.d3000451823.Car-Hire-Guide)[Grassy Key Holidays](https://expedia.co.uk/Grassy-Key.d3000451823.Holidays-City-Breaks) # Grassy Key Travel Guide ## Tourist Guide ![Dolphin Research Center which includes a statue or sculpture and signage](https://a.travel-assets.com/findyours-php/viewfinder/images/res70/64000/64019-Dolphin-Research-Center.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Grassy Key](https://a.travel-assets.com/findyours-php/viewfinder/images/res70/64000/64016-Dolphin-Research-Center.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Grassy Key](https://a.travel-assets.com/findyours-php/viewfinder/images/res70/64000/64020-Dolphin-Research-Center.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Photo by Monica Ferro](https://mediaim.expedia.com/destination/2/eddd58bdc952d6300ccdf7ee89c41c1a.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) [Photo by Monica Ferro](https://mediaim.expedia.com/destination/2/eddd58bdc952d6300ccdf7ee89c41c1a.jpg) ![Photo by Monica Ferro](https://mediaim.expedia.com/destination/2/2a7697e12ec98f9656c8dd754a93479a.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) [Photo by Monica Ferro](https://mediaim.expedia.com/destination/2/2a7697e12ec98f9656c8dd754a93479a.jpg) ## Visit Grassy Key Things to do - Top hotels in Grassy Key - Top Holiday Rentals in Grassy Key ![Rainbow Bend Resort](https://images.trvl-media.com/lodging/4000000/3870000/3864000/3863945/60a631db_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Rainbow Bend Resort 57784 Overseas Hwy Marathon FL £119 4 Jan - 5 Jan 2026 includes taxes & fees Stay at this beach hotel in Marathon. Enjoy a private beach, daily housekeeping and a garden. Our guests praise the breakfast and the helpful staff in their ... 8/10 Very Good! (784 reviews) We enjoyed this resort because it was quiet! It is right on the ocean so, amazing views. When we were there, there were a lot of mudflats right in front which meant birdwatching was fabulous. The daily breakfasts were top notch! Reviewed on 19 Dec 2025 [](https://expedia.co.uk/Hotel-Search?startDate=04%2F01%2F2026&endDate=05%2F01%2F2026&selected=3863945&PinnedHotelID=3863945&HadPinnedHotel=true®ionId=3000451823) ![Grassy Flats Resort & Beach Club](https://images.trvl-media.com/lodging/37000000/36890000/36881900/36881801/e7fc7008_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Grassy Flats Resort & Beach Club 58182 Overseas Hwy Marathon FL £296 7 Jan - 8 Jan 2026 includes taxes & fees Stay at this hotel in Marathon. Enjoy free Wi-Fi, free parking and 2 outdoor pools. Our guests praise the helpful staff and the property condition in their reviews. ... 9.4/10 Exceptional! (358 reviews) Beautiful grounds, clean rooms.and nice staff. Great location. Reviewed on 17 Dec 2025 [](https://expedia.co.uk/Hotel-Search?startDate=07%2F01%2F2026&endDate=08%2F01%2F2026&selected=36881801&PinnedHotelID=36881801&HadPinnedHotel=true®ionId=3000451823) ![Gulf View Waterfront Resort](https://images.trvl-media.com/lodging/14000000/13280000/13278600/13278553/46de1e0c_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Gulf View Waterfront Resort 58743 OVERSEAS HWY Marathon FL £151 6 Jan - 7 Jan 2026 includes taxes & fees Stay at this hotel in Marathon. Enjoy free Wi-Fi, free parking and daily housekeeping. Our guests praise the helpful staff and the clean rooms in their reviews. ... 8.4/10 Very Good! (526 reviews) Maria at the front desk was so nice and welcoming, letting me look around the property before deciding to making my booking decision. I got there an hour bedorw check in and she allowed me to gonin my room early. She even suggested a nearby place to eat. The room was neat and had a fully stocked ... Reviewed on 16 Dec 2025 [](https://expedia.co.uk/Hotel-Search?startDate=06%2F01%2F2026&endDate=07%2F01%2F2026&selected=13278553&PinnedHotelID=13278553&HadPinnedHotel=true®ionId=3000451823) [See all 2,304 properties in Grassy Key](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.Hotels.DestinationExperience&startDate=23%2F12%2F2025&endDate=24%2F12%2F2025®ionId=3000451823) Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply. ![Beachfront Explorer! ](https://images.trvl-media.com/lodging/106000000/105520000/105512700/105512615/8a97d577_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Beachfront Explorer! Marathon FL Enjoy laundry facilities and air conditioning. Popular attractions Keys Cable Park and Crawl Key are located nearby. 10/10 Exceptional! (1 review) Awesome RV! Great stay for 3 fisherman. Very nice RV park with pool. Rv close to Shower and Bath house. Very comfortable. Reviewed on 30 Mar 2025 [](https://expedia.co.uk/Marathon-Hotels-Beachfront-Explorer.h105512615.Hotel-Information) ![Beach House🌴Waterfront, Private Pool, Boat Dock on Gulf with Amazing Sunsets!☀️](https://images.trvl-media.com/lodging/67000000/66130000/66123400/66123312/f3a9dd1d_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Beach House🌴Waterfront, Private Pool, Boat Dock on Gulf with Amazing Sunsets!☀️ Marathon FL Stay at this holiday home in Marathon. Enjoy free Wi-Fi, private pools and a garden. Popular attractions Crawl Key and Curry Hammock State Park are located ... 9.8/10 Exceptional! (106 reviews) Loved the house and location! It was well stocked with everything we needed...pool floats, beach towels, kayaks etc. The pool area was the prettiest I've seen in any vacation house we've stayed in. Any questions we had were quickly answered by the property manager. Would definitely stay here ... Reviewed on 26 Oct 2025 [](https://expedia.co.uk/Marathon-Hotels-Beach-HouseWaterfront.h66123312.Hotel-Information) ![P58 - Gulf Front Luxury 4 bedroom 4 bath with private pool and deep water dockage?](https://images.trvl-media.com/lodging/22000000/21870000/21862900/21862803/a339bd30_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### P58 - Gulf Front Luxury 4 bedroom 4 bath with private pool and deep water dockage? Marathon FL Stay at this holiday home in Marathon. Enjoy free Wi-Fi, private pools and laundry facilities. Popular attractions Keys Cable Park and Crawl Key are located ... 9.6/10 Exceptional! (44 reviews) We had an amazing time at this beautiful home!! We had a party of eight - my husband & me, our 3 teens (ages 17 & 18), & 3 additional teens (ages 18 & 19). There was plenty of space - all of the beds were very comfortable, the kitchen was adequately stocked to meet all of our needs, & the bathrooms ... Reviewed on 30 Jul 2025 [](https://expedia.co.uk/Marathon-Hotels-P58-58039-Morton-St.h21862803.Hotel-Information) [See all properties in Grassy Key](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.Hotels.DestinationExperience®ionId=3000451823&sort=VACATION_RENTAL) Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply. ## Check Grassy Key hotel availability [Tonight ](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=2025-12-22&endDate=2025-12-23)[22 Dec - 23 Dec](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=2025-12-22&endDate=2025-12-23) [Tomorrow night ](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=2025-12-23&endDate=2025-12-24)[23 Dec - 24 Dec](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=2025-12-23&endDate=2025-12-24) [This weekend ](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=26%2F12%2F2025&endDate=28%2F12%2F2025)[26 Dec - 28 Dec](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=26%2F12%2F2025&endDate=28%2F12%2F2025) [Next weekend ](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=02%2F01%2F2026&endDate=04%2F01%2F2026)[2 Jan - 4 Jan](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=02%2F01%2F2026&endDate=04%2F01%2F2026) ### Popular places to visit ![Dolphin Research Center which includes a statue or sculpture and signage](https://a.travel-assets.com/findyours-php/viewfinder/images/res70/64000/64019-Dolphin-Research-Center.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Dolphin Research Center Learn about the playful nature of dolphins before swimming alongside these clever marine mammals at this entertaining research facility. [](https://expedia.co.uk/Dolphin-Research-Center-Marathon.d6069241.Attraction) ![Sombrero Beach featuring a sandy beach and general coastal views](https://a.travel-assets.com/findyours-php/viewfinder/images/res70/64000/64131-Sombrero-Beach.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Sombrero Beach Play beach games; go swimming, kayaking or snorkeling; and lounge in the sun at one of Marathon’s most visited beaches. [](https://expedia.co.uk/Sombrero-Beach-Marathon.d6069239.Attraction) ![Seven Mile Bridge](https://a.travel-assets.com/findyours-php/viewfinder/images/res70/497000/497895-seven-mile-bridge.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Seven Mile Bridge Walk, jog, cycle or drive across one of the longest bridges in North America to take in the scenic ocean views it provides. [](https://expedia.co.uk/Seven-Mile-Bridge-Marathon.d6127942.Attraction) ![Vaca Key](https://mediaim.expedia.com/destination/2/c777b492fc082c9cb2f5244953760e2e.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Vaca Key Commune with nature and explore the great outdoors at Vaca Key during your travels in Marathon. Stroll along the beautiful beaches or discover the area's beautiful sunsets. [](https://expedia.co.uk/Vaca-Key-Marathon.d553248635976196298.Attraction) ![Coco Plum Beach](https://mediaim.expedia.com/destination/9/1eedf8cd3211f50246a887f7101c546b.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Coco Plum Beach Why not spend a lazy afternoon at Coco Plum Beach during your trip to Marathon? Discover the area's beautiful sunsets or seek out its jogging trails. [](https://expedia.co.uk/Coco-Plum-Beach-Marathon.d553248635983989276.Attraction) ![Curry Hammock State Park featuring a beach and kayaking or canoeing](https://a.travel-assets.com/findyours-php/viewfinder/images/res70/64000/64133-Curry-Hammock-State-Park.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Curry Hammock State Park Go camping near mangroves, bird-watching beneath a thick canopy or kayaking between the islands of this scenic state park in the Middle Keys. [](https://expedia.co.uk/Curry-Hammock-State-Park-Marathon.d6069251.Attraction) ### Things to do ![Marathon: Rhum Runner Aqua Park Adventure](https://mediaim.expedia.com/localexpert/49181060/0b0d5141-d114-4720-afa3-daa97fdbedd0.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Marathon: Rhum Runner Aqua Park Adventure £28 per adult [](https://expedia.co.uk/things-to-do/marathon-rhum-runner-aqua-park-adventure.a49181060.activity-details) ![Our sailboat is named Chao Lay. The boat has completed one complete circumnavigation of the globe crossing the Atlantic, Pacific, and Indian Oceans. ](https://mediaim.expedia.com/localexpert/49731974/9bcca512-f4ca-4864-89e5-7f2aa50b8fae.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Day Sailing Adventure in the Florida Marine Sanctuary £74 per adult **100%** of travellers recommend [](https://expedia.co.uk/things-to-do/day-sailing-adventure-in-the-florida-marine-sanctuary.a49731974.activity-details) ![Marathon: Private Cable or Cable Kiteboarding Session](https://mediaim.expedia.com/localexpert/49206825/570dd764-a277-46ff-8f12-e8080eb09f71.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Marathon: Private Cable or Cable Kiteboarding Session £133 per traveller [](https://expedia.co.uk/things-to-do/marathon-private-cable-or-cable-kiteboarding-session.a49206825.activity-details) [See all activities in Grassy Key](https://expedia.co.uk/Things-To-Do-In-Grassy-Key.d3000451823.Travel-Guide-Activities) ## Cities near Grassy Key ![Marathon showing swimming, a sandy beach and tropical scenes](https://a.travel-assets.com/findyours-php/viewfinder/images/res70/63000/63837-Marathon.jpg?impolicy=fcrop&w=512&h=288&q=medium) ### Marathon ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [3 Star Hotels in Duck Key ](https://www.expedia.co.uk/3Star-Duck-Key-Hotels.s30-0-d184267.Travel-Guide-Filter-Hotels) - [4 Star Hotels in Duck Key ](https://www.expedia.co.uk/4Star-Duck-Key-Hotels.s40-0-d184267.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Duck Key ](https://www.expedia.co.uk/5Star-Duck-Key-Hotels.s50-0-d184267.Travel-Guide-Filter-Hotels) - [Conch Key Hotels ](https://www.expedia.co.uk/Conch-Key-Hotels.d3000396828.Travel-Guide-Hotels) - [Apartments in Duck Key ](https://www.expedia.co.uk/Duck-Key-Apartments.d184267-aaApartments.Travel-Guide-Accommodation) - [Cabin Rentals in Duck Key ](https://www.expedia.co.uk/Duck-Key-Cabins.d184267-aaCabins.Travel-Guide-Accommodation) - [Resorts in Duck Key ](https://www.expedia.co.uk/Duck-Key-Hotel-Resorts.d184267-aaHotelResorts.Travel-Guide-Accommodation) - [Adults Only Resorts & in Duck Key ](https://www.expedia.co.uk/Duck-Key-Hotels-Adults-Only-Resorts.0-0-d184267-tAdultsOnlyResorts.Travel-Guide-Filter-Hotels) - 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[Flights from Nantucket (ACK) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/ack/mth/nantucket-to-marathon) - [Flights from Berlin (BER) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/ber/mth/berlin-to-marathon) - [Flights from Birmingham (BHX) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/bhx/mth/birmingham-to-marathon) - [Flights from Boston (BOS) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/bos/mth/boston-to-marathon) - [Flights from Brussels (BRU) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/bru/mth/brussels-to-marathon) - [Flights from Douala (DLA) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/dla/mth/douala-to-marathon) - [Flights from Key West (EYW) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/eyw/mth/key-west-to-marathon) - [Flights from Fort Lauderdale (FLL) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/fll/mth/fort-lauderdale-to-marathon) - [Flights from Fort Pierce (FPR) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/fpr/mth/fort-pierce-to-marathon) - [Flights from Gaithersburg (GAI) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/gai/mth/gaithersburg-to-marathon) - [Flights from Washington (IAD) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/iad/mth/washington-to-marathon) - [Flights from Houston (IAH) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/iah/mth/houston-to-marathon) - [Flights from London (LGW) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/lgw/mth/london-to-marathon) - [Flights from London (LHR) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/lhr/mth/london-to-marathon) - [Flights from Lancaster (LNS) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/lns/mth/lancaster-to-marathon) - [Flights from Orlando (MCO) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/mco/mth/orlando-to-marathon) - [Flights from Manchester (MHT) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/mht/mth/manchester-to-marathon) - [Flights from Miami (MIA) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/mia/mth/miami-to-marathon) - [Flights from Melbourne (MLB) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/mlb/mth/melbourne-to-marathon) - [Flights from Minneapolis (MSP) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/msp/mth/minneapolis-to-marathon) - [Flights from Orlando (ORL) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/orl/mth/orlando-to-marathon) - [Flights from Raleigh (RDU) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/rdu/mth/raleigh-to-marathon) - [Flights from Tampa (TPA) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/tpa/mth/tampa-to-marathon) - [Flights from Valencia (VLC) to Marathon (MTH) ](https://www.expedia.co.uk/lp/flights/vlc/mth/valencia-to-marathon) - [Visit Bahia Honda Key ](https://www.expedia.co.uk/Bahia-Honda-Key.dx553248635083902001) - [Visit Eden Pines ](https://www.expedia.co.uk/Big-Pine-Key-Eden-Pines.dx553248635976471710) - [Visit Big Pine Key ](https://www.expedia.co.uk/Big-Pine-Key.dx7195) - [Visit Big Torch Key ](https://www.expedia.co.uk/Big-Torch-Key.dx553248635974614531) - [Visit Cudjoe Key ](https://www.expedia.co.uk/Cudjoe-Key.dx3000430966) - [Curry Hammock State Park ](https://www.expedia.co.uk/Curry-Hammock-State-Park-Marathon.d6069251.Attraction) - [Duck Key Holidays ](https://www.expedia.co.uk/Duck-Key.d184267.Holidays-City-Breaks) - [Visit Duck Key ](https://www.expedia.co.uk/Duck-Key.dx184267) - [Visit Flamingo ](https://www.expedia.co.uk/Flamingo.dx553248635074842070) - [Visit Islamorada ](https://www.expedia.co.uk/Islamorada.dx10768) - [Visit Key Colony Beach ](https://www.expedia.co.uk/Key-Colony-Beach.dx121486) - [Visit Anglers Park ](https://www.expedia.co.uk/Key-Largo-Anglers-Park.dx553248635976468912) - [Visit Key Largo ](https://www.expedia.co.uk/Key-Largo.dx8369) - [Visit Layton ](https://www.expedia.co.uk/Layton.dx6177793) - [Visit Lignumvitae Key Botanical State Park ](https://www.expedia.co.uk/Lignumvitae-Key-Botanical-State-Park.dx553248621532652349) - [Visit Little Torch Key ](https://www.expedia.co.uk/Little-Torch-Key.dx177498) - [Visit Long Key ](https://www.expedia.co.uk/Long-Key.dx177527) - 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[Visit Tingler Island ](https://www.expedia.co.uk/Tingler-Island.dx553248635976196806) - [Visit Upper Matecumbe Key ](https://www.expedia.co.uk/Upper-Matecumbe-Key.dx553248635975749648) - [All inclusive Holiday Packages Duck Key ](https://www.expedia.co.uk/lp/theme-holidays/all-inclusive-holidays/184267/Duck-Key) - [Golf Holiday Packages Duck Key ](https://www.expedia.co.uk/lp/theme-holidays/golf-holidays/184267/Duck-Key) - [Mountain Holiday Packages Duck Key ](https://www.expedia.co.uk/lp/theme-holidays/mountain-holidays/184267/Duck-Key) - [Ski Holiday Packages Duck Key ](https://www.expedia.co.uk/lp/theme-holidays/ski-holidays/184267/Duck-Key) - [Car hire near Duck Key ](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Duck-Key.d184267.Car-Hire-Guide) - [Rental cars Florida Keys Marathon airport ](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Florida-Keys-Marathon.d6030314.Car-Hire-Guide) - [Dollar Rent A Car Rental Cars in Duck Key ](https://www.expedia.co.uk/Dollar-Rent-A-Car-Car-Rentals-In-Duck-Key.d184267-c43.Car-Rental-Guide-Suppliers) - [Pickup Car Hire in Duck Key ](https://www.expedia.co.uk/Pickup-Car-Rentals-In-Duck-Key.d184267-tPickup.Car-Rental-Guide-Class) - [Thrifty Car Rental Rental Cars in Duck Key ](https://www.expedia.co.uk/Thrifty-Car-Rental-Car-Rentals-In-Duck-Key.d184267-c45.Car-Rental-Guide-Suppliers) - [People Carrier Car Hire in Duck Key ](https://www.expedia.co.uk/Van-Car-Rentals-In-Duck-Key.d184267-tVan.Car-Rental-Guide-Class) - [Duck Key Holiday Rentals ](https://www.expedia.co.uk/Duck-Key-Holiday-Rentals.d184267.Travel-Guide-HolidayRentals) - [Key Colony Beach Holiday Rentals ](https://www.expedia.co.uk/Key-Colony-Beach-Holiday-Rentals.d121486.Travel-Guide-HolidayRentals) - [Things to do in Duck Key ](https://www.expedia.co.uk/Things-To-Do-In-Duck-Key.d184267.Travel-Guide-Activities) - Cities near Grassy Key - Places of interest [Marathon](https://expedia.co.uk/Marathon.dx2437) - [Everglades National Park ](https://expedia.co.uk/Everglades-National-Park-Florida.d54987.Attraction) - [Sombrero Beach ](https://expedia.co.uk/Sombrero-Beach-Marathon.d6069239.Attraction) - [Vaca Key ](https://expedia.co.uk/Vaca-Key-Marathon.d553248635976196298.Attraction) - [Curry Hammock State Park ](https://expedia.co.uk/Curry-Hammock-State-Park-Marathon.d6069251.Attraction) - [Crane Point Museum and Nature Center ](https://expedia.co.uk/Crane-Point-Museum-And-Nature-Center-Marathon.d6069259.Attraction) ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels when you book in the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. 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