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 2.727.507 ₫ per night from 13 Oct to 14 Oct
2.727.507 ₫
4.253.746 ₫ total
13 Oct - 14 Oct
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! (743 reviews)
"We had a wonderful week at Rainbow Bend. Pool was awesome. Good breakfast. Staff was very accommodating. I would love to do it all over again!!"

Reviewed on 2 Oct 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 5.454.657 ₫ per night from 12 Oct to 13 Oct
5.454.657 ₫
6.136.488 ₫ total
12 Oct - 13 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! (322 reviews)
"The place is beautiful and very relaxing the staff very nice and accommodating the only thing that needs updating is the mattresses not very comfortable other than that is a hidden gem"

Reviewed on 6 Oct 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! (505 reviews)
"Amazing view"

Reviewed on 1 Oct 2025

Get rates
Gulf View Waterfront Resort
See all 2,307 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.
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! (216 reviews)
Great stay at the Yacht Haven!
"We loved our stay at the Yacht Haven Marina. Staff was friendly, helpful and communicated well. The houseboat was large and comfortable and situated in a beautiful and quiet bay despite the convenient location off the highway and close to grocery store and restaurants. No pool, but full access to ..."

Reviewed on 2 Oct 2025

Yacht Haven Marina
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 Captain Hooks Marina ...
9.6/10 Exceptional! (71 reviews)
"Loved being right on the water in our Family Cabin! Being able to walk right out and feel the tropical air and see the palms blowing in the wind. It rained hard the night we stayed and hitting the tin roof lulled us right to sleep. The wood detailing was gorgeous and everything seemed new and fresh. ..."

Reviewed on 18 Sept 2025

Cabins at Bonefish Bay
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! (873 reviews)
Great place
"Great communication, easy check in, onsite parking, clean and very nice cottage! Super comfortable bed!"

Reviewed on 28 Sept 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

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

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

After visiting Seven Mile Bridge, make a plan to see the other sights and activities in Marathon. Stroll along the area's beautiful beaches 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 seaside or discover the area's beautiful sunsets.

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

Curry Hammock State Park

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

Curry Hammock State Park
Coco Plum Beach

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.

Coco Plum Beach

Cities near Grassy Key

Marathon showing swimming, a sandy beach and tropical scenes

Marathon