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 €132 per night from 21 Sept to 22 Sept
€132
21 Sept - 22 Sept
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! (739 reviews)
"Air conditioner was nice and cold!"

Reviewed on 17 Sept 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 €214 per night from 6 Oct to 7 Oct
€214
6 Oct - 7 Oct
includes taxes & fees
Stay at this 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 reviews. ...
9.4/10 Exceptional! (313 reviews)
"Staff was very attentive and available."

Reviewed on 28 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. ...
8.6/10 Excellent! (496 reviews)
"I booked this last minute and found it quaint, tucked back a little from the main road. It has easy gulf side access. It had a mini kitchen although I didn’t need it."

Reviewed on 17 Sept 2025

Get rates
Gulf View Waterfront Resort
See all 2,311 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.
MILLION DOLLAR VIEW very private 4 bedroom resort with pool, pier, kayaks, spa

MILLION DOLLAR VIEW very private 4 bedroom resort with pool, pier, kayaks, spa

Marathon, FL
Stay at this beach holiday home in Marathon. Enjoy free Wi-Fi, private pools and a beach locale. Popular attractions Keys Cable Park and Crawl Key are located ...
10/10 Exceptional! (25 reviews)
"We had a wonderful time! The property is very private, and having the dock was one of the highlights as was the view from the porch. We saw nurse sharks, baby jellyfish and the most gorgeous sunsets we’ve ever seen. We’d love to go back with friends.One caveat is that the air conditioning would only ..."

Reviewed on 11 Sept 2025

MILLION DOLLAR VIEW very private 4 bedroom resort with pool, pier, kayaks, spa
🌊 Private Oasis With Pool Spa Dock and Ocean right in your backyard 🌊 allow pets

🌊 Private Oasis With Pool Spa Dock and Ocean right in your backyard 🌊 allow pets

Marathon, FL
Stay at this holiday home in Marathon. Enjoy free Wi-Fi, private pools and a garden. Popular attractions Crawl Key and Curry Hammock State Park are located ...
9/10 Wonderful! (48 reviews)
"A wonderful vacation rental. The house was very clean on arrival. Kitchen was fully equipped. The dock was a dream for taking the boat out everyday. We enjoyed the pool in the afternoons. Each bedroom has an en suite bathroom which is ideal in a vacation rental. I would recommend and we will most ..."

Reviewed on 18 Sept 2025

🌊 Private Oasis With Pool Spa Dock and Ocean right in your backyard 🌊 allow pets
Serenity Bay Estate-FL Keys Best Kept Secret! Beautiful, Quiet, Tropical Pardise

Serenity Bay Estate-FL Keys Best Kept Secret! Beautiful, Quiet, Tropical Pardise

Marathon, FL
Stay at this holiday home in Marathon. Enjoy free Wi-Fi, private pools and a water park. Popular attractions Keys Cable Park and Crawl Key are located ...
9.8/10 Exceptional! (34 reviews)
Family retreat
"We had a great time with the most outstanding sunset every night !"

Reviewed on 26 Jul 2025

Serenity Bay Estate-FL Keys Best Kept Secret! Beautiful, Quiet, Tropical Pardise
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

4.5/5(4 reviews)

Take the children to visit the sea creatures at Dolphin Research Center during your holiday to Marathon. Wander the seaside or discover the area's beautiful sunsets.

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

Sombrero Beach

4.5/5(7 reviews)

Why not spend a care-free afternoon at Sombrero Beach during your travels in Marathon? Stroll along the area's seaside or simply savour its seafood restaurants.

Sombrero Beach
Seven Mile Bridge

Seven Mile Bridge

4.5/5(20 reviews)

After visiting Seven Mile Bridge, make a plan to see the other sights and activities in Marathon. Stroll along the area's seaside or simply savour its seafood restaurants.

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

4.5/5(2 reviews)

Enjoy a trip to Curry Hammock State Park and popular activities such as running in Marathon. Stroll along the marina or discover the beautiful sunsets in this relaxing area.

Curry Hammock State Park
The Turtle Hospital

The Turtle Hospital

5/5(9 reviews)

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.

The Turtle Hospital

Cities near Grassy Key

Marathon showing swimming, a sandy beach and tropical scenes

Marathon