Visit Grassy Key
![Rainbow Bend Resort](https://images.trvl-media.com/lodging/4000000/3870000/3864000/3863945/d80ae8d4_y.jpg?impolicy=fcrop&w=420&h=224&q=medium)
Reviewed on 15 Feb 2025
![Grassy Flats Resort & Beach Club](https://images.trvl-media.com/lodging/37000000/36890000/36881900/36881801/d6d5bb66_y.jpg?impolicy=fcrop&w=420&h=224&q=medium)
Reviewed on 17 Feb 2025
![Gulf View Waterfront Resort](https://images.trvl-media.com/lodging/14000000/13280000/13278600/13278553/46de1e0c_y.jpg?impolicy=fcrop&w=420&h=224&q=medium)
Reviewed on 7 Feb 2025
![Oceanfront Sandy Beach Vacation Rental Unit 1](https://images.trvl-media.com/lodging/34000000/33400000/33394100/33394053/e6522cce_y.jpg?impolicy=fcrop&w=420&h=224&q=medium)
Reviewed on 20 Jan 2025
![🌇 Ocean Sunset Views with Pool and Dock 🌇](https://images.trvl-media.com/lodging/75000000/74980000/74971100/74971010/a484e9d0_y.jpg?impolicy=fcrop&w=420&h=224&q=medium)
Reviewed on 8 Sep 2024
![Oceanfront Spanish Villa: 4 bed, loft, 8 guests](https://images.trvl-media.com/lodging/106000000/105820000/105819100/105819097/e2a50a29_y.jpg?impolicy=fcrop&w=420&h=224&q=medium)
Reviewed on 9 Dec 2024
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.
![Sombrero Beach showing a 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.
![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.
![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.
![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.
![The Turtle Hospital](https://mediaim.expedia.com/destination/2/d86afb1ce082301c804e8062d8c1efe8.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh)
The Turtle Hospital
Explore the campus of The Turtle Hospital as part of your travels around Marathon. Stroll along the area's marina or simply savour its seafood restaurants.
Things to do
![Marathon: Intro to Foilboarding Experience](https://mediaim.expedia.com/localexpert/49182516/d1ddbac5-da7e-4b63-ab54-335598401e55.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh)
Marathon: Intro to Foilboarding Experience
![Thumbs up!](https://mediaim.expedia.com/localexpert/677735/8787fa71-4680-4e93-843c-1e45b91dbaa4.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh)
Mangroves and Manatees - Guided Kayak Eco Tour
![Miami: Party Boat Sandbar Island & Toys Bayside Marketplace](https://mediaim.expedia.com/localexpert/46043077/7169a077-fa3a-4004-b4cd-01c1ddc468ba.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh)
Miami: Party Boat Sandbar Island & Toys
![Marathon Inshore Fishing Charter](https://mediaim.expedia.com/localexpert/684156/47d9a73e-d047-4ef5-a101-160a624f7171.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh)