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
Sep 23 - Sep 24
Tomorrow
Sep 24 - Sep 25
This weekend
Sep 25 - Sep 27
Next weekend
Oct 2 - Oct 4

Our top choices for Grassy Key pet-friendly hotels

A tropical resort with a swimming pool, palm trees, and a view of the ocean.
A bright kitchen with white cabinets and a microwave, a glass table with white chairs, and a view of palm trees and the ocean through large windows.
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.

1. Gulf View Waterfront Resort

Gulf View Waterfront Resort
Marathon
United States
Sonja L
￥14,760
￥16,605 total
includes taxes & fees
Sep 24 - Sep 25
Gulf View Waterfront Resort
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 two-story beachfront house with a balcony, surrounded by palm trees and a sandy beach.

2. Rainbow Bend Resort

Rainbow Bend Resort
Marathon
United Kingdom
Adam
￥16,289
￥25,404 total
includes taxes & fees
Sep 27 - Sep 28
Rainbow Bend Resort
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 bar area with stools, a counter, and hanging lanterns.

3. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
United States
Tiffany
￥27,564
￥38,567 total
includes taxes & fees
Oct 22 - Oct 23
Grassy Flats Resort & Beach Club
A bar area with a long counter, bar stools, and a view of the water.
A waterfront property with a large building, a smaller structure with a thatched roof, and several boats docked.
A balcony with a view of a body of water, a pool, and outdoor seating.
A Marriott Fairfield Inn & Suites with a modern design, featuring a covered entrance and palm trees.

4. Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
Marathon
United States
JOSE
￥21,095
￥23,731 total
includes taxes & fees
Sep 29 - Sep 30
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 kitchen with a central island, various appliances, and hanging pendant lights.
A modern living room with a large sectional sofa, a flat-screen TV, and a view of the sea through large windows.

5. Hampton Inn Marathon - Florida Keys

Hampton Inn Marathon - Florida Keys
Marathon
United States
Linda
￥20,510
￥23,074 total
includes taxes & fees
Sep 29 - Sep 30
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.
A covered outdoor seating area with tables and chairs, overlooking a body of water and a distant shoreline.
Two bicycles parked on a sandy beach with the ocean in the background.
An aerial view of a resort with a swimming pool, lounge area, and palm trees.

6. Bonefish Bay Motel

Bonefish Bay Motel
Marathon
United States
William
￥16,373
￥19,708 total
includes taxes & fees
Sep 27 - Sep 28
Bonefish Bay Motel
A beachfront property with a white balcony, palm trees, and a sandy beach.
A coastal hotel with a pool, parked cars, and a view of the ocean.
A pool area with lounge chairs, a wooden deck, and a view of the ocean.
A beach with clear blue water, a palm tree, and rocky outcrops.

7. Conch Key Fishing Lodge and Marina

Conch Key Fishing Lodge and Marina
Marathon
United States
Eduardo
￥15,525
￥17,466 total
includes taxes & fees
Sep 27 - Sep 28
Conch Key Fishing Lodge and Marina
A marina with a dock, a boat, and a row of buildings with large windows.
A pool area with lounge chairs and umbrellas, surrounded by palm trees and a white fence.
A bedroom with a bed, a dresser, a large window, and a painting of a sunset over the ocean.
A two-story beachfront hotel with a wooden deck, palm trees, and a clear sky.

8. Coconut Cay Resort & Marina

Coconut Cay Resort & Marina
Marathon
United States
Oscar
￥11,283
￥14,394 total
includes taxes & fees
Sep 27 - Sep 28
Coconut Cay Resort & Marina
A covered outdoor area with a view of a pool and palm trees.
A hotel room with two beds, white bedding, and a blue accent.
A covered patio with a round table and chairs, large windows, and a view of a street and greenery.
A reception desk with a marble countertop, a Toshiba laptop, a vase with white flowers, and a sign indicating an office.

9. Kingsail Resort

Kingsail Resort
Marathon
United States
Jennifer
￥12,033
￥13,537 total
includes taxes & fees
Oct 11 - Oct 12
Kingsail Resort
A marina with several docked boats and a row of small, white cabins with blue roofs.
A compact bedroom with two beds, a small bathroom, and a view of the outdoors.
A modern kitchen with white cabinetry, a wooden countertop, and a built-in microwave.
A waterfront property with floating houses connected by a wooden dock.

10. Yacht Haven Marina

Yacht Haven Marina
Marathon
￥14,169
￥38,081 total
includes taxes & fees
Sep 28 - Sep 29
Yacht Haven Marina
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
"Surprising, we like the vibe , beautiful sunset locations, I have to Mention that our waiter gave free ice cream 🍦 every dinner we participated, clean rooms ."
arik 2-night trip
Posted 10 hours ago
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys

10/10 Excellent
"We had a good time"
melinda 5-night trip
Posted 2 days ago
Fairfield Inn & Suites by Marriott Marathon Florida Keys

Explore a world of travel with Expedia