Title: Visit Grassy Key: Best of Grassy Key Tourism | Expedia Travel Guide - Expedia.com [Hotels in Grassy Key](https://expedia.com/Grassy-Key-Hotels.d3000451823.Travel-Guide-Hotels)[Vacation Rentals in Grassy Key](https://expedia.com/Grassy-Key-Vacation-Rentals.d3000451823.Travel-Guide-VacationRentals)[Flights to Grassy Key](https://expedia.com/Cheap-Flights-To-Grassy-Key.d3000451823.Travel-Guide-Flights)[Things to do in Grassy Key](https://expedia.com/Things-To-Do-In-Grassy-Key.d3000451823.Travel-Guide-Activities)[Car Rentals in Grassy Key](https://expedia.com/Car-Rentals-In-Grassy-Key.d3000451823.Car-Rental-Guide)[Grassy Key Vacation Packages](https://expedia.com/Grassy-Key.d3000451823.Destination-Travel-Guides) # Grassy Key, FL ## Travel Guide ![Grassy Key](https://images.trvl-media.com/place/2437/83757040-1d80-4589-aea2-a5fe1bb3ba0c.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Grassy Key](https://images.trvl-media.com/place/6069251/473d7d6a-4054-46e6-808c-507f897ba4e3.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Grassy Key](https://images.trvl-media.com/place/6069251/d636ff94-c354-48a9-b298-84e015ad56d7.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Grassy Key](https://images.trvl-media.com/place/6069241/563a894a-a12a-4d37-92cf-7adafd4a7678.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Grassy Key](https://images.trvl-media.com/place/6069241/06098647-0cf2-444a-a5ad-496d92022883.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ## Visit Grassy Key Things to do - Grassy Key Hotel Deals - Vacation Rentals in Grassy Key ![Rainbow Bend Resort](https://images.trvl-media.com/lodging/4000000/3870000/3864000/3863945/d4b7beed_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Rainbow Bend Resort 57784 Overseas Hwy Marathon FL $208 total per night Apr 23 - Apr 24 Book a 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 ... 8.2/10 Very Good! (899 reviews) We enjoyed our visit here. The best part was the lounge chairs - as they had arm rests. The pool was enjoyable. The rooms were sufficient - although we could hear someone snoring from another room. The bathroom was remodeled and Reviewed on Mar 30, 2026 [](https://expedia.com/Hotel-Search?startDate=4%2F23%2F2026&endDate=4%2F24%2F2026&selected=3863945&PinnedHotelID=3863945&HadPinnedHotel=true®ionId=3000451823) ![Grassy Flats Resort & Beach Club](https://images.trvl-media.com/lodging/37000000/36890000/36881900/36881801/d5720c3e_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Grassy Flats Resort & Beach Club 58182 Overseas Hwy Marathon FL $405 total per night Apr 29 - Apr 30 Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and 2 outdoor pools. Our guests praise the helpful staff and the property condition in our reviews. ... 9.4/10 Exceptional! (421 reviews) The pool and pool area was nice. We liked how there was a separate adult pool from the kids pool. Also, the room was clean and had clean towels everyday. But, they allow dogs which was not a pleasant experience. Yipey dogs during the day & night was very disturbing and annoying. Reviewed on Mar 26, 2026 [](https://expedia.com/Hotel-Search?startDate=4%2F29%2F2026&endDate=4%2F30%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 $242 total per night Apr 26 - Apr 27 Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and daily housekeeping. Our guests praise the helpful staff and the clean rooms in our reviews. ... 8.4/10 Very Good! (562 reviews) It is a cute little place to stay. We enjoyed the pool, outdoor games and relaxed on the little beach area Reviewed on Mar 19, 2026 [](https://expedia.com/Hotel-Search?startDate=4%2F26%2F2026&endDate=4%2F27%2F2026&selected=13278553&PinnedHotelID=13278553&HadPinnedHotel=true®ionId=3000451823) [See all 2,196 properties in Grassy Key](https://expedia.com/Hotel-Search?rfrrid=TG.LP.Hotels.DestinationExperience&startDate=3%2F31%2F2026&endDate=4%2F1%2F2026®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. ![The Nautilus on the Ocean in Grassy Key 4 bed 3 bath with private pool, Hot Tub and oceanfront, 2 kayaks included](https://images.trvl-media.com/lodging/103000000/102830000/102829100/102829071/w1616h1080x152y0-b65662e9_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### The Nautilus on the Ocean in Grassy Key 4 bed 3 bath with private pool, Hot Tub and oceanfront, 2 kayaks included Marathon FL Book a stay at this beach vacation home in Marathon. Enjoy free WiFi, private pools, and a beach locale. Popular attractions Keys Cable Park and Crawl Key are ... 8.8/10 Excellent! (6 reviews) Such a Fun Trip!! We had the best time in Marathon! The house was, clean, cozy and comfortable and the AC worked great! We loved the spacious areas for hanging out downstairs and the pool and hot tub were wonderful!!!! Reviewed on Jul 24, 2025 [](https://expedia.com/Marathon-Hotels-The-Nautilus-On-The-Ocean-In-Grassy-Key-4-Bed-3-Bath-With-Private-Pool.h102829071.Hotel-Information) ![🌊 Private Oasis With Pool Spa Dock and Ocean right in your backyard 🌊 allow pets](https://images.trvl-media.com/lodging/75000000/74880000/74876600/74876573/w1108h721x50y0-632992a9_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### 🌊 Private Oasis With Pool Spa Dock and Ocean right in your backyard 🌊 allow pets Marathon FL Stay at this vacation home in Marathon. Enjoy free WiFi, private pools, and a garden. Popular attractions Crawl Key and Curry Hammock State Park are located ... 9.2/10 Wonderful! (54 reviews) We had a fantastic stay. The house had everything we needed. Location was great. Pool and dock for fishing kept kids entertained daily. Reviewed on Mar 14, 2026 [](https://expedia.com/Marathon-Hotels-Private-Oasis-With-Pool-Spa-Dock-And-Ocean-Right-In-Your-Backyard-Allow-Pets.h74876573.Hotel-Information) ![Wide Horizon oceanfront. 4 bedroom, 4 ½ bath, kayaks, pool + observation deck.](https://images.trvl-media.com/lodging/94000000/93400000/93394200/93394137/57bc863f_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Wide Horizon oceanfront. 4 bedroom, 4 ½ bath, kayaks, pool + observation deck. Marathon FL Book a stay at this beach vacation home in Marathon. Enjoy free WiFi, private pools, and a beach locale. Popular attractions Crawl Key and Keys Cable Park are ... 10/10 Exceptional! (39 reviews) Great stay Could have been more bed blankets and another outdoor garbage can instead of just 1 The owner which lives next to this property was very responsive and helpful when needing anything Reviewed on Mar 16, 2026 [](https://expedia.com/Marathon-Hotels-Wide-Horizon-Oceanfront-4-Bedroom.h93394137.Hotel-Information) [See all properties in Grassy Key](https://expedia.com/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.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=2026-03-30&endDate=2026-03-31)[Mar 30 - Mar 31](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=2026-03-30&endDate=2026-03-31) [Tomorrow night ](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=2026-03-31&endDate=2026-04-01)[Mar 31 - Apr 1](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=2026-03-31&endDate=2026-04-01) [This weekend ](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=4%2F3%2F2026&endDate=4%2F5%2F2026)[Apr 3 - Apr 5](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=4%2F3%2F2026&endDate=4%2F5%2F2026) [Next weekend ](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=4%2F10%2F2026&endDate=4%2F12%2F2026)[Apr 10 - Apr 12](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.DestinationExperience&adults=2&openPlayBack=true®ionId=3000451823&startDate=4%2F10%2F2026&endDate=4%2F12%2F2026) ### Popular places to visit ![Dolphin Research Center](https://images.trvl-media.com/place/6069241/06098647-0cf2-444a-a5ad-496d92022883.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.com/Dolphin-Research-Center-Marathon.d6069241.Vacation-Attraction) ![Sombrero Beach](https://images.trvl-media.com/place/6069239/5ccae969-638f-4ecd-a8cd-1f9c106277ba.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.com/Sombrero-Beach-Marathon.d6069239.Vacation-Attraction) ![Seven Mile Bridge](https://images.trvl-media.com/place/6127942/fdf83727-1433-4d19-9ed9-5a2480ab6e0f.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.com/Seven-Mile-Bridge-Marathon.d6127942.Vacation-Attraction) ![Sombrero Key Lighthouse offshore of Vaca Key in Marathon in the Florida Keys. ](https://images.trvl-media.com/place/553248635976196298/4d7e3ab8-584b-4994-a6fb-3ecdc1579748.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 marina or discover the area's beautiful sunsets. [](https://expedia.com/Vaca-Key-Marathon.d553248635976196298.Vacation-Attraction) ![Curry Hammock State Park](https://images.trvl-media.com/place/6069251/d636ff94-c354-48a9-b298-84e015ad56d7.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.com/Curry-Hammock-State-Park-Marathon.d6069251.Vacation-Attraction) ![The Turtle Hospital](https://images.trvl-media.com/place/2437/044085fa-249f-46fa-abf9-7ead4bf6fabe.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### The Turtle Hospital Explore the campus of The Turtle Hospital during your stay in Marathon. Stroll along the area's marina, or simply savor its seafood restaurants. [](https://expedia.com/The-Turtle-Hospital-Marathon.d6068609.Vacation-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 $38 per adult [](https://expedia.com/things-to-do/marathon-rhum-runner-aqua-park-adventure.a49181060.activity-details) ![Sunset Cruise](https://mediaim.expedia.com/localexpert/50857842/110fc15b-b0a3-4e20-9012-bf857e3ef0e0.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Sunset Cruise $89 per adult **100%** of travellers recommend [](https://expedia.com/things-to-do/sunset-cruise.a50857842.activity-details) ![Day Sailing Adventure in the Florida Marine Sanctuary](https://mediaim.expedia.com/localexpert/49731974/751c07d5-5a11-4fff-ab3b-e1eaac3f68ed.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Day Sailing Adventure in the Florida Marine Sanctuary $120 per adult **100%** of travellers recommend [](https://expedia.com/things-to-do/day-sailing-adventure-in-the-florida-marine-sanctuary.a49731974.activity-details) [See all activities in Grassy Key](https://expedia.com/Things-To-Do-In-Grassy-Key.d3000451823.Travel-Guide-Activities) ## Cities near Grassy Key ![Marathon](https://images.trvl-media.com/place/2437/cc4c0572-7b75-47ab-8142-b235acf8743c.jpg?impolicy=fcrop&w=512&h=288&q=medium) ### Marathon ## Explore a world of travel with Expedia - 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[Things to do in Duck Key ](https://www.expedia.com/Things-To-Do-In-Duck-Key.d184267.Travel-Guide-Activities) - Cities near Grassy Key - Places of interest [Marathon](https://expedia.com/Marathon.dx2437) - [Keys Cable Park ](https://expedia.com/Keys-Cable-Park-Marathon.d901232018711719936.Vacation-Attraction) - [Everglades National Park ](https://expedia.com/Everglades-National-Park-Florida.d54987.Vacation-Attraction) - [Sombrero Beach ](https://expedia.com/Sombrero-Beach-Marathon.d6069239.Vacation-Attraction) - [Seven Mile Bridge ](https://expedia.com/Seven-Mile-Bridge-Marathon.d6127942.Vacation-Attraction) - [Fiesta Key ](https://expedia.com/Fiesta-Key-Florida.d553248635975749263.Vacation-Attraction) - [Vaca Key ](https://expedia.com/Vaca-Key-Marathon.d553248635976196298.Vacation-Attraction) - [Curry Hammock State Park ](https://expedia.com/Curry-Hammock-State-Park-Marathon.d6069251.Vacation-Attraction) - [Anne's Beach ](https://expedia.com/Annes-Beach-Matecumbe.d6282204.Vacation-Attraction) - 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