Grassy Key Travel Guide

Learn about the playful nature of dolphins before swimming alongside these clever marine mammals at this entertaining research facility.

Play beach games; go swimming, kayaking or snorkeling; and lounge in the sun at one of Marathon’s most visited beaches.

Walk, jog, cycle or drive across one of the longest bridges in North America to take in the scenic ocean views it provides.

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.

Go camping near mangroves, bird-watching beneath a thick canopy or kayaking between the islands of this scenic state park in the Middle Keys.

Explore the campus of The Turtle Hospital as part of your travels around Marathon. Stroll along the area's beautiful beaches or simply savour its seafood restaurants.