Book The Best Hotels in Grassy Key, FL for 2026 from CA $98 - Fully Refundable Options

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

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

Go beyond your typical stay in Grassy Key

Pet friendly

Villa

Pool

Apartment

Hot tub

Condo

Spa

Family friendly

Apart hotel

Waterpark

Check prices for these dates

Tonight

Tomorrow

This weekend

Next weekend

Our top choices for Grassy Key hotels

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.

1. Lime Tree Bay Resort

Long Key

Katie

CA $165

CA $250 total

includes taxes & fees

Oct 15 - Oct 16

A pool area with lounge chairs and umbrellas, surrounded by palm trees.

An aerial view of a coastal resort with multiple white buildings, a clear turquoise sea, and lush greenery.

A pathway leading to a pool area with palm trees and a sunset view.

A modern living room with a balcony overlooking the sea, furnished with a sofa, chairs, and a dining table.

2. Hawks Cay Resort

Marathon

Antonio

CA $287

CA $432 total

includes taxes & fees

Oct 21 - Oct 22

An aerial view of a resort with a central pool, multiple buildings, and a beach area with sun loungers.

A beach with white chairs and kayaks, palm trees, and a clear view of the ocean.

A bar area with wooden chairs, a bar counter, and a variety of bottles and glasses.

A beach scene with two white chairs, a hammock, and palm trees.

3. Isla Bella Beach Resort & Spa

Marathon

Clinton

CA $294

CA $417 total

includes taxes & fees

Oct 18 - Oct 19

A bathroom with a large bathtub, a window with curtains, and a view of palm trees and the sea.

A hotel room with a large bed, a television, a dining area with chairs, a table, and a view of the ocean.

A tropical resort with a swimming pool, palm trees, and a waterfall.

A spacious lobby with a seating area, a bar, and a large window providing a view of the outdoors.

4. Cheeca Lodge & Spa

Matecumbe

Morgan

CA $239

CA $373 total

includes taxes & fees

Oct 19 - Oct 20

A bar area with a long counter, bar stools, and a view of the water.

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.

A Marriott Fairfield Inn & Suites with a modern design, featuring a covered entrance and palm trees.

5. Fairfield Inn & Suites by Marriott Marathon Florida Keys

Marathon

Andrew

CA $191

CA $215 total

includes taxes & fees

Oct 26 - Oct 27

A beach with palm trees and lounge chairs.

A balcony with two blue lounge chairs, a wooden ceiling, and a view of the ocean and palm trees.

A swimming pool with clear blue water, surrounded by a white deck and a black metal fence.

A hotel room with a large bed, a ceiling fan, a nightstand with a lamp, and a view of the beach through the window.

6. Chesapeake Beach Resort

Matecumbe

Phelicia

CA $196

CA $301 total

includes taxes & fees

Oct 18 - Oct 19

A wooden deck with two chairs and a table, overlooking a beach with palm trees and the ocean.

A beach with lounge chairs and umbrellas, palm trees, and a building with balconies.

A table with breakfast items and a view of the beach.

A two-story beachfront house with a balcony, surrounded by palm trees and a sandy beach.

7. Rainbow Bend Resort

Marathon

Adam

CA $147

CA $230 total

includes taxes & fees

Oct 27 - Oct 28

A swimming pool surrounded by palm trees and lounge chairs.

A spacious living room with a wooden coffee table, a striped sofa, and a television on a wooden cabinet.

An aerial view of a resort with a central swimming pool, surrounded by lush greenery and palm trees, with a view of the ocean.

A wooden deck with blue chairs overlooking a beach with palm trees and the ocean.

8. Tranquility Bay Beachfront Hotel and Resort

Marathon

Stuart

CA $327

CA $460 total

includes taxes & fees

Oct 19 - Oct 20

A wooden deck with a pool and chairs overlooking a beach with palm trees.

A beach with a wooden walkway leading to the water, palm trees, and a clear sky.

A pool area with palm trees and a view of the ocean.

A bar area with stools, a counter, and hanging lanterns.

9. Grassy Flats Resort & Beach Club

Marathon

Tiffany

CA $263

CA $364 total

includes taxes & fees

Nov 12 - Nov 13

Three colorful drinks on a table with a thatched roof and outdoor seating.

A modern living room with a large sectional sofa, a flat-screen TV, and a view of the sea through large windows.

A pool area with lounge chairs, a thatched-roof structure, and a view of the ocean.

A bar area with wicker chairs and a thatched roof, overlooking a body of water with boats.

10. Hampton Inn Marathon - Florida Keys

Marathon

Linda

CA $185

CA $209 total

includes taxes & fees

Oct 21 - Oct 22

A covered outdoor area with a view of a pool and palm trees.

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.

A reception desk with a marble countertop, a Toshiba laptop, a vase with white flowers, and a sign indicating an office.

11. Kingsail Resort

Marathon

Caroline

CA $110

CA $124 total

includes taxes & fees

Oct 27 - Oct 28

A tropical resort with a swimming pool, palm trees, and a view of the ocean.

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.

A kitchen with white cabinets, a microwave, and a dining area with a glass table and white chairs.

12. Gulf View Waterfront Resort

Marathon

CA $136

CA $153 total

includes taxes & fees

Oct 27 - Oct 28

A wooden dock leading to a row of boats, with a thatched-roof building and palm trees in the background.

A bedroom with a bed, two bedside lamps, a glass table, and a view of a balcony with palm trees.

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.

13. Bonefish Bay Motel

Marathon

Billy

CA $169

CA $204 total

includes taxes & fees

Oct 20 - Oct 21

A pool area with lounge chairs and umbrellas, a thatched-roof structure, and a view of the ocean.

A covered outdoor seating area with a view of the ocean, a small table, and two chairs with cushions.

A modern kitchen with a central island, a dining area with a view of the beach, and a living room with a large window overlooking the ocean.

A beach with a palm tree, clear blue water, and a bridge in the distance.

14. Glunz Ocean Beach Hotel & Resort

Key Colony Beach

Judy

CA $197

CA $283 total

includes taxes & fees

Oct 21 - Oct 22

A marina with boats docked, a lighthouse, and a resort with outdoor seating.

A spacious lobby with a central round table, surrounded by wicker chairs, large potted plants, and decorative lanterns.

A room with two sofas, a round coffee table, and a small side table with a vase.

An outdoor dining area with tables and chairs, a pool, and a view of the sea and boats.

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

Marathon

Rick

CA $232

CA $315 total

includes taxes & fees

Oct 26 - Oct 27

A marina with a dock, a boat, and a row of buildings with large windows.

A two-story beachfront hotel with a wooden deck, palm trees, and a clear sky.

A bedroom with a bed, a dresser, a large window, and a painting of a sunset over the ocean.

A wooden deck with a covered area, green Adirondack chairs, and a view of palm trees and a water body.

16. Coconut Cay Resort & Marina

Marathon

Oscar

CA $104

CA $133 total

includes taxes & fees

Oct 28 - Oct 29

Three Adirondack chairs on a sandy beach with a view of the ocean and a clear sky.

A beach with lounge chairs, palm trees, and a string of lights.

An aerial view of a marina with multiple boats docked, surrounded by a sandy beach and palm trees.

A marina with boats docked, a dock extending into calm waters, and a small island with palm trees.

17. Banana Bay Resort & Marina

Marathon

Alex

CA $179

CA $257 total

includes taxes & fees

Nov 9 - Nov 10

A resort pool with palm trees and lounge chairs, surrounded by a beachfront.

An aerial view of a resort island with a large building, a swimming pool, and a boat docked nearby.

A resort with a large pool surrounded by lounge chairs, a beach area, and a building with multiple floors.

A modern kitchen with white cabinetry, a stainless steel oven, and a large island with a bowl of fruit.

18. Villas At Hawks Cay Resort

Marathon

Gabriela

CA $784

CA $971 total

includes taxes & fees

Oct 30 - Oct 31

A wooden deck with two lounge chairs, a table with two glasses of champagne and red roses, and a view of the beach and ocean.

A resort pool with palm trees, beach chairs, and umbrellas.

A hotel room with a bed, a sofa, a coffee table, a desk with a lamp, and a view of the ocean.

An aerial view of a resort with a swimming pool, palm trees, and a dock.

19. Amara Cay Resort

Matecumbe

Danielle

CA $203

CA $333 total

includes taxes & fees

Oct 18 - Oct 19

A coastal property with multiple buildings, a wooden dock, and a clear view of the turquoise water.

A modern kitchen with white cabinets, stainless steel appliances, and a wooden countertop.

A waterfront property with a dock, a boat, and a row of houses with a view of the water.

A two-story house with a pool, surrounded by palm trees.

20. Village at Hawks Cay Villas by KeysCaribbean

Marathon

Sheila

CA $218

CA $717 total

includes taxes & fees

Oct 17 - Oct 18

View all properties

Save an average of 15% on thousands of hotels when you're signed in

Learn more about Grassy Key

Experience the seaside area of Grassy Key—beaches, a scenic waterfront, and sights from Curry Hammock State Park to Grassy Key Marina.

See all hotels in Grassy Key

Top Grassy Key Hotel Reviews

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

10/10 Excellent

"As soon as we"

Fairfield Inn & Suites by Marriott Marathon Florida Keys

10/10 Excellent

"Everything was one hundred percent. The way you want it to be."

Hampton Inn Marathon - Florida Keys

10/10 Excellent

"Nice place to staying.Clean.Good price including breakfast.Highly recommend this to anyone who will be there for Bussiness trips or family vacation time.Everything you need are in your room or you can request extra things with the front desk. Definitely We will be back. 👍❤️"

Isla Bella Beach Resort & Spa

10/10 Excellent

"Resort is beautiful, not too big or too small. Room was spectacular. Dinner was great, breakfast was ok. Will definetly be back."

Gulf View Waterfront Resort

10/10 Excellent

"Es un lugar muy tranquilo y familiar"

Lime Tree Bay Resort

10/10 Excellent

"We will definitely stay here again! Beautiful property that was always clean and peaceful."

Coconut Cay Resort & Marina

10/10 Excellent

"Great location, amazing prize!! Conveniently Located in the heart of Marathon, easy access to many great spots and restaurants."

Captain Pips Marina & Hideaway

10/10 Excellent

"Will definitely be booking again in the future. 💜"

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

10/10 Excellent

"The property was amazing. We were very pleased with the accommodations, employees, service, food and drinks. Their attention to detail was amazing. We will definitely be returning."

More cheap stays in Grassy Key

Floating Sea Cove Resort & Marina

12685 Overseas Highway Marathon FL

CA $67

CA $98 total

Oct 26 - Oct 27

includes taxes & fees

5.4/10 (1,002 reviews)

Kingsail Resort

7050 Overseas Highway Marathon FL

CA $110

CA $124 total

Oct 27 - Oct 28

includes taxes & fees

8.6/10 Excellent! (1,128 reviews)

Gulf View Waterfront Resort

58743 OVERSEAS HWY Marathon FL

CA $136

CA $153 total

Oct 27 - Oct 28

includes taxes & fees

8.4/10 Very good! (631 reviews)

Bonefish Bay Motel

12565 Overseas Highway Marathon FL

CA $169

CA $204 total

Oct 20 - Oct 21

includes taxes & fees

9.2/10 Wonderful! (655 reviews)

Hampton Inn Marathon - Florida Keys

13351 Overseas Highway Marathon FL

CA $185

CA $209 total

Oct 21 - Oct 22

includes taxes & fees

9/10 Wonderful! (1,006 reviews)

Rainbow Bend Resort

57784 Overseas Hwy Marathon FL

CA $147

CA $230 total

Oct 27 - Oct 28

includes taxes & fees

Hotels in Grassy Key with star rating

Explore a world of travel with Expedia

Book Hotels in Grassy Key on Expedia.com

Find hotels in Grassy Key, FL from CA $98

Change your mind

Treat yourself

Be picky

Go beyond your typical stay in Grassy Key

Check prices for these dates

Filter by

Star rating

Guest rating

Our top choices for Grassy Key hotels

1. Lime Tree Bay Resort

2. Hawks Cay Resort

3. Isla Bella Beach Resort & Spa

4. Cheeca Lodge & Spa

5. Fairfield Inn & Suites by Marriott Marathon Florida Keys

6. Chesapeake Beach Resort

7. Rainbow Bend Resort

8. Tranquility Bay Beachfront Hotel and Resort

9. Grassy Flats Resort & Beach Club

10. Hampton Inn Marathon - Florida Keys

11. Kingsail Resort

12. Gulf View Waterfront Resort

13. Bonefish Bay Motel

14. Glunz Ocean Beach Hotel & Resort

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

16. Coconut Cay Resort & Marina

17. Banana Bay Resort & Marina

18. Villas At Hawks Cay Resort

19. Amara Cay Resort

20. Village at Hawks Cay Villas by KeysCaribbean

Learn more about Grassy Key

Top Grassy Key Hotel Reviews

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Fairfield Inn & Suites by Marriott Marathon Florida Keys

Hampton Inn Marathon - Florida Keys

Isla Bella Beach Resort & Spa

Gulf View Waterfront Resort

Lime Tree Bay Resort

Coconut Cay Resort & Marina

Captain Pips Marina & Hideaway

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

More cheap stays in Grassy Key

Floating Sea Cove Resort & Marina

Kingsail Resort

Gulf View Waterfront Resort

Bonefish Bay Motel

Hampton Inn Marathon - Florida Keys

Rainbow Bend Resort

Hotels in Grassy Key with star rating

Explore a world of travel with Expedia

Go further with the Expedia app