Visit Grassy Key

Rainbow Bend Resort
Staff were so nice, the view was wonderful, and breakfast was fantastic. The bed was hard and the window blinds broken, but I felt safe and comfortable.
Reviewed on Dec 21, 2025

Grassy Flats Resort & Beach Club
We would 100% stay here again. We loved every minute of it. The staff, service, and property were top notch. The staff payed attention to little details and confirmed all information before we got there. They even had a 10 year anniversary card waiting for us. Very attentive and really appreciate ...
Reviewed on Dec 22, 2025

Gulf View Waterfront Resort
Maria at the front desk was so nice and welcoming, letting me look around the property before deciding to making my booking decision. I got there an hour bedorw check in and she allowed me to gonin my room early. She even suggested a nearby place to eat. The room was neat and had a fully stocked ...
Reviewed on Dec 16, 2025

Yacht Haven Marina
Very nice property. We will be visiting again.
Reviewed on Dec 23, 2025

Skipjack Resort & Marina
Front desk staff was a bit aloof. We were charged $25 extra for our 16 yo as an adult even though she falls into the category of 'child'. The lobby was clean and smelled great! Our room was perfect as well. We had a wonderful day at the pool.
Reviewed on Dec 21, 2025

Tropical Cottages
Decent stay, easy check in and contactless checkout. Very quiet and nice place!
Reviewed on Dec 16, 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 beautiful beaches or discover the area's beautiful sunsets.

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.

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.
Things to do

Mangroves and Manatees - Guided Kayak Eco Tour

Day Sailing Adventure in the Florida Marine Sanctuary

Marathon: Intro to Foilboarding Experience

Marathon: Private Cable or Cable Kiteboarding Session







