Grassy Key
Visit Grassy Key
Reviewed on Oct. 28, 2024
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Reviewed on Oct. 30, 2024
Popular places to visit
Dolphin Research Center
Learn about the playful nature of dolphins before swimming alongside these clever marine mammals at this entertaining research facility.
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
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
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
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
Explore the campus of The Turtle Hospital during your stay in Marathon. Stroll along the area's beautiful beaches, or simply savor its seafood restaurants.