Visit Grassy Key

Rainbow Bend Resort
Reviewed on 2 Oct, 2025

Grassy Flats Resort & Beach Club
Reviewed on 30 Sept, 2025

Gulf View Waterfront Resort
Reviewed on 1 Oct, 2025

Yacht Haven Marina
Reviewed on 2 Oct, 2025

Cabins at Bonefish Bay
Reviewed on 18 Sept, 2025

Tropical Cottages
Reviewed on 28 Sept, 2025
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 seaside 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.

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.
Things to do

Mangroves and Manatees - Guided Kayak Eco Tour

Marathon Florida Keys Fishing Experience

Marathon: Intro to Foilboarding Experience

Marathon: Private Cable or Cable Kiteboarding Session
