Grassy Key Travel Guide

Tourist Guide

Dolphin Research Center which includes a statue or sculpture and signage
Grassy Key
Grassy Key
Photo by Monica Ferro
Photo by Monica Ferro
Photo by Monica Ferro
Photo by Monica Ferro
Rainbow Bend Resort

Rainbow Bend Resort

2.5 out of 5
57784 Overseas Hwy, Marathon, FL
The price is Rp1.685.794 per night from 26 Aug to 27 Aug
Rp1.685.794
Rp2.629.118 total
26 Aug - 27 Aug
includes taxes & fees
Stay at this beach hotel in Marathon. Enjoy a private beach, daily housekeeping and a garden. Our guests praise the breakfast and the helpful staff in their ...
8/10 Very Good! (714 reviews)
"The rooms were very updated. The only issue was the sea wall was not cleaned. It was full of trash. Besides that, breakfast was delicious and the overall place was beautiful!"

Reviewed on 10 Aug 2025

Rainbow Bend Resort
Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club

2.5 out of 5
58182 Overseas Hwy, Marathon, FL
The price is Rp3.644.604 per night from 1 Sept to 2 Sept
Rp3.644.604
Rp4.100.118 total
1 Sept - 2 Sept
includes taxes & fees
Stay at this beach hotel in Marathon. Enjoy free Wi-Fi, free parking and 2 outdoor pools. Our guests praise the helpful staff and the property condition in their ...
9.4/10 Exceptional! (302 reviews)
"Staff was friendly and accommodating. Pool area was nice and relaxing."

Reviewed on 9 Aug 2025

Grassy Flats Resort & Beach Club
Gulf View Waterfront Resort

Gulf View Waterfront Resort

2.5 out of 5
58743 OVERSEAS HWY, Marathon, FL
Stay at this hotel in Marathon. Enjoy free Wi-Fi, free parking and daily housekeeping. Our guests praise the helpful staff and the clean rooms in their reviews. ...
8.4/10 Very Good! (485 reviews)
"This is a fairly clean place. It has a great location to the water with jet ski rental at the property. The only real issue is the rooms are extremely noisy. We could here every step of the occupants above us and the highway noise was very loud in the room."

Reviewed on 18 Jul 2025

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Gulf View Waterfront Resort
See all 2,301 properties in Grassy Key
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Cabins at Bonefish Bay

Cabins at Bonefish Bay

3 out of 5
12565 Overseas Hwy, Marathon, FL
Stay at this 3-star cabin in Marathon. Enjoy free Wi-Fi, free parking and free bicycles on-site. Popular attractions Sombrero Beach and San Pablo Catholic Church ...
9.8/10 Exceptional! (55 reviews)
"Awesome cabins!"

Reviewed on 28 Jul 2025

Cabins at Bonefish Bay
Yacht Haven Marina

Yacht Haven Marina

3.5 out of 5
5 Sombrero Blvd, Marathon, FL
Stay at this 3.5-star houseboat in Marathon. Enjoy free Wi-Fi, free parking and a picnic area. Our guests praise the helpful staff in their reviews. Popular ...
9.8/10 Exceptional! (190 reviews)
"Yacht Haven was clean and comfortable. It's location was ideal and convenient. The property manager was friendly, welcoming and informative."

Reviewed on 13 Aug 2025

Yacht Haven Marina
Tropical Cottages

Tropical Cottages

3 out of 5
243 61st Street Gulf, Marathon, FL
Stay at this cottage in Marathon. Enjoy free parking, daily housekeeping and a garden. Popular attractions Sombrero Beach and Crane Point Museum and Nature Center ...
8.4/10 Very Good! (844 reviews)
"Room was cozy and clean. Easy parking and the Publix is just down the road."

Reviewed on 12 Aug 2025

Tropical Cottages
See all properties in Grassy Key
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Popular places to visit

Dolphin Research Center which includes a statue or sculpture and signage

Dolphin Research Center

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

Dolphin Research Center
Sombrero Beach featuring a sandy beach and general coastal views

Sombrero Beach

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

Sombrero Beach
Seven Mile Bridge

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.

Seven Mile Bridge
Vaca Key

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.

Vaca Key
Curry Hammock State Park featuring a beach and kayaking or canoeing

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.

Curry Hammock State Park
The Turtle Hospital

The Turtle Hospital

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

The Turtle Hospital

Things to do

Marathon: Rhum Runner Aqua Park Adventure

Marathon: Rhum Runner Aqua Park Adventure

Rp621.219
per adult
Marathon: Rhum Runner Aqua Park Adventure
Marathon: Private Cable or Cable Kiteboarding Session

Marathon: Private Cable or Cable Kiteboarding Session

Rp2.929.076
per traveller
Marathon: Private Cable or Cable Kiteboarding Session
Marathon: Intro to Foilboarding Experience

Marathon: Intro to Foilboarding Experience

Rp3.532.461
per traveller
Marathon: Intro to Foilboarding Experience
Thumbs up!

Mangroves and Manatees - Guided Kayak Eco Tour

Rp1.106.371
per adult
96% of travellers recommend
Mangroves and Manatees - Guided Kayak Eco Tour
Our sailboat is named Chao Lay. The boat has completed one complete circumnavigation of the globe crossing the Atlantic, Pacific, and Indian Oceans.

Day Sailing Adventure in the Florida Marine Sanctuary

Rp1.634.787
per adult
100% of travellers recommend
Day Sailing Adventure in the Florida Marine Sanctuary
Marathon Florida Keys Fishing Experience

Marathon Florida Keys Fishing Experience

Rp14.779.135
per traveller
Marathon Florida Keys Fishing Experience
See all activities in Grassy Key