A dolphin swimming near a wooden dock and a tree branch in the water.

Find Pet-friendly Hotels in Grassy Key, FL

  • Change your mind

    Book hotels with free cancellation

  • Treat yourself

    Sign in to save 10% or more on thousands of hotels
    Sign in

  • Be picky

    Search almost a million properties worldwide

Check availability on Grassy Key Pet-friendly Hotels

Tonight
Oct 21 - Oct 22
Tomorrow
Oct 22 - Oct 23
This weekend
Oct 23 - Oct 25
Next weekend
Oct 30 - Nov 1

Our top choices for Grassy Key pet-friendly hotels

A wooden deck with a pool and chairs overlooking a beach with palm trees.
A bar area with stools, a counter, and hanging lanterns.
A pool area with palm trees and a view of the ocean.
A beach with a wooden walkway leading to the water, palm trees, and a clear sky.

1. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
United States
Tiffany
NT$6,288
NT$8,641 total
includes taxes & fees
Nov 19 - Nov 20
Grassy Flats Resort & Beach Club
A wooden deck with two chairs and a table, overlooking a beach with palm trees and the ocean.
A two-story beachfront house with a balcony, surrounded by palm trees and a sandy beach.
A swimming pool with a hot tub, palm trees, and a building with a staircase.
A table with breakfast items and a view of the beach.

2. Rainbow Bend Resort

Rainbow Bend Resort
Marathon
United States
Misty
NT$3,380
NT$5,271 total
includes taxes & fees
Oct 22 - Oct 23
Rainbow Bend Resort
A tropical resort with a swimming pool, palm trees, and a view of the ocean.
A kitchen with white cabinets, a microwave, and a dining area with a glass table and white chairs.
A bedroom with a bed, nightstands, a TV, a ceiling fan, and a view of the ocean.
A beach view with palm trees, a hammock, and a chair by the water.

3. Gulf View Waterfront Resort

Gulf View Waterfront Resort
Marathon
United States
Ed
NT$3,269
NT$3,678 total
includes taxes & fees
Oct 29 - Oct 30
Gulf View Waterfront Resort
A bar area with a long counter, bar stools, and a view of the water.
A Marriott Fairfield Inn & Suites with a modern design, featuring a covered entrance and palm trees.
A balcony with a view of the ocean, a round table, and two chairs.
A balcony with a view of a body of water, a pool, and outdoor seating.

4. Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
Marathon
United States
Andrew
NT$4,377
NT$4,924 total
includes taxes & fees
Oct 27 - Oct 28
Fairfield Inn & Suites by Marriott Marathon Florida Keys
Three colorful drinks on a table with a thatched roof and outdoor seating.
A bar area with wicker chairs and a thatched roof, overlooking a body of water with boats.
A modern living room with a large sectional sofa, a flat-screen TV, and a view of the sea through large windows.
A modern kitchen with a central island, various appliances, and hanging pendant lights.

5. Hampton Inn Marathon - Florida Keys

Hampton Inn Marathon - Florida Keys
Marathon
United States
Linda
NT$4,255
NT$4,787 total
includes taxes & fees
Oct 28 - Oct 29
Hampton Inn Marathon - Florida Keys
A bar area with a long counter, multiple stools, and a view of the marina with boats.
A modern hotel room with a sofa, a small table, a lamp, and a bed.
A living room with a grey sofa, a round coffee table, a wicker chair, and a flat-screen TV.
A fire pit with two Adirondack chairs and a table with drinks, set on a grassy area with a view of a building and palm trees in the background.

6. Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Marathon
United States
Rick
NT$4,790
NT$6,617 total
includes taxes & fees
Nov 9 - Nov 10
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
An aerial view of a resort with a central pool, multiple buildings, and a beach area with sun loungers.
A beach scene with two white chairs, a hammock, and palm trees.
A beach with white chairs and kayaks, palm trees, and a clear view of the ocean.
An aerial view of a resort with a large building, a beach, and a pier in the background.

7. Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa
Marathon
United States
Clinton
NT$7,402
NT$10,303 total
includes taxes & fees
Oct 25 - Oct 26
Isla Bella Beach Resort & Spa
A wooden dock leading to a row of boats, with a thatched-roof building and palm trees in the background.
A covered outdoor seating area with tables and chairs, overlooking a body of water and a distant shoreline.
An aerial view of a resort with a swimming pool, lounge area, and palm trees.
Two bicycles parked on a sandy beach with the ocean in the background.

8. Bonefish Bay Motel

Bonefish Bay Motel
Marathon
United States
Billy
NT$3,069
NT$3,453 total
includes taxes & fees
Oct 29 - Oct 30
Bonefish Bay Motel
Two hammocks on a sandy beach with a clear blue sky and turquoise water.
A poolside area with lounge chairs, blue umbrellas, and a fire pit.
An aerial view of a coastal resort with a marina, palm trees, and a large building complex.
A bar area with a view of the ocean, bar stools, umbrellas, and a variety of bottles.

9. Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Marathon
United States
amy
NT$4,674
NT$6,400 total
includes taxes & fees
Oct 29 - Oct 30
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Terrace/patio
A bedroom with a large bed, a ceiling fan, a TV on the wall, and a view of the beach through a window.
A beach with palm trees and a clear view of the ocean.
A spacious living area with a large island, wooden furniture, and a ceiling fan.

10. Lime Tree Bay Resort

Lime Tree Bay Resort
Long Key
United States
Christopher Michael
NT$4,042
NT$6,016 total
includes taxes & fees
Oct 26 - Oct 27
Lime Tree Bay Resort
View all properties

Top Grassy Key Hotel Reviews

Coconut Cay Resort & Marina

Coconut Cay Resort & Marina

10/10 Excellent
"We stayed here for one night during our visit to Marathon in the Florida Keys. The location was nice enough and convenient for exploring the area. Our room was situated at the front of the property, so there was quite a lot of road and car park noise, although this was somewhat expected given the location. It did feel as though the front window was open, despite being closed, as it did very little to block out the outside noise. On the positive side, the room was incredibly spacious, with a lovely large TV and a super comfortable bed. The shower was great, and the amenities provided were good. Ice and drinks were also available from reception, which was handy. The reception staff were exceptionally friendly and welcoming. The air conditioning worked overtime but didn’t seem to cool the room particularly well and was rather noisy itself. However, this was more of a minor observation than a complaint. The only real disappointment was the cleanliness of the floor. After showering, the floor became slightly wet, and walking around barefoot left the bottoms of my feet noticeably dirty, which was a shame. Overall, a perfectly reasonable place to stay for a night in Marathon. A few minor improvements would make a difference, but we had a comfortable stay, and the friendly staff were certainly a highlight."
Shirley 1-night trip
Posted 18 hours ago
Coconut Cay Resort & Marina

Explore a world of travel with Expedia