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 5 - Oct 6
Tomorrow
Oct 6 - Oct 7
This weekend
Oct 9 - Oct 11
Next weekend
Oct 16 - Oct 18

Our top choices for Grassy Key pet-friendly hotels

A wooden deck with a pool and chairs overlooking a beach with palm trees.
A hotel room with a sofa, a desk, a chair, a TV, and a balcony with curtains.
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$6,419
NT$8,751 total
includes taxes & fees
Nov 3 - Nov 4
Grassy Flats Resort & Beach Club
A wooden deck with two chairs and a table, overlooking a beach with palm trees and the ocean.
A table with breakfast items and a view of the beach.
A swimming pool with a hot tub, palm trees, and a building with a staircase.
A beach with lounge chairs and umbrellas, palm trees, and a building with balconies.

2. Rainbow Bend Resort

Rainbow Bend Resort
Marathon
United Kingdom
Adam
NT$3,299
NT$5,145 total
includes taxes & fees
Oct 6 - Oct 7
Rainbow Bend Resort
A tropical resort with a swimming pool, palm trees, and a view of the ocean.
A beach view with palm trees, a hammock, and a chair by the water.
A bedroom with a bed, nightstands, a TV, a ceiling fan, and a view of the ocean.
An aerial view of a resort with a swimming pool, palm trees, and a beach area.

3. Gulf View Waterfront Resort

Gulf View Waterfront Resort
Marathon
United States
Ed
NT$2,884
NT$3,245 total
includes taxes & fees
Oct 19 - Oct 20
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 a body of water, a pool, and outdoor seating.
A balcony with a view of the ocean, a round table, and two chairs.

4. Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
Marathon
United States
JOSE
NT$4,273
NT$4,807 total
includes taxes & fees
Oct 25 - Oct 26
Fairfield Inn & Suites by Marriott Marathon Florida Keys
Three colorful drinks on a table with a thatched roof and outdoor seating.
A pool area with lounge chairs, a thatched-roof structure, and a view of the ocean.
A modern living room with a large sectional sofa, a flat-screen TV, and a view of the sea through large windows.
A bar area with wicker chairs and a thatched roof, overlooking a body of water with boats.

5. Hampton Inn Marathon - Florida Keys

Hampton Inn Marathon - Florida Keys
Marathon
United States
Linda
NT$4,154
NT$4,673 total
includes taxes & fees
Oct 11 - Oct 12
Hampton Inn Marathon - Florida Keys
A wooden dock leading to a row of boats, with a thatched-roof building and palm trees in the background.
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.
A covered outdoor seating area with tables and chairs, overlooking a body of water and a distant shoreline.

6. Bonefish Bay Motel

Bonefish Bay Motel
Marathon
United States
Billy
NT$3,329
NT$3,745 total
includes taxes & fees
Oct 18 - Oct 19
Bonefish Bay Motel
A marina with boats docked, a lighthouse, and a resort with outdoor seating.
A room with two sofas, a round coffee table, and a small side table with a vase.
A bar area with a long counter, multiple bar stools, and a view of the marina with boats and palm trees.
A spacious lobby with a central round table, surrounded by wicker chairs, large potted plants, and decorative lanterns.

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

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Marathon
United States
Rick
NT$5,199
NT$7,048 total
includes taxes & fees
Oct 25 - Oct 26
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 bar area with wooden chairs, a bar counter, and a variety of bottles and glasses.
A beach with white chairs and kayaks, palm trees, and a clear view of the ocean.
A beach scene with two white chairs, a hammock, and palm trees.

8. Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa
Marathon
United States
Andrew
NT$7,427
NT$10,290 total
includes taxes & fees
Oct 6 - Oct 7
Isla Bella Beach Resort & Spa
Two hammocks on a sandy beach with a clear blue sky and turquoise water.
A bar area with a view of the ocean, bar stools, umbrellas, and a variety of bottles.
A poolside area with lounge chairs, blue umbrellas, and a fire pit.
A clear blue pool with white lounge chairs and palm trees, overlooking a calm sea.

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

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Marathon
United States
amy
NT$4,563
NT$6,248 total
includes taxes & fees
Oct 11 - Oct 12
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
A covered outdoor area with a view of a pool and palm trees.
A reception desk with a marble countertop, a Toshiba laptop, a vase with white flowers, and a sign indicating an office.
A swimming pool with yellow lounge chairs, palm trees, and a white building in the background.
A hotel room with two beds, white bedding, and a blue accent.

10. Kingsail Resort

Kingsail Resort
Marathon
United States
Jennifer
NT$2,464
NT$2,772 total
includes taxes & fees
Oct 29 - Oct 30
Kingsail Resort
View all properties

Top Grassy Key Hotel Reviews

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

10/10 Excellent
"We had a great stay. Everything was clean and comfortable."
Lisandra 2-night trip
Posted 23 hours ago
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Explore a world of travel with Expedia