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

4 Star Hotels in Grassy Key, Marathon

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Check availability on Grassy Key 4 Star Hotels

Tonight
13 Oct - 14 Oct
Tomorrow
14 Oct - 15 Oct
This weekend
16 Oct - 18 Oct
Next weekend
23 Oct - 25 Oct

Our top choices for Grassy Key 4-star hotels

A pool area with lounge chairs and umbrellas, surrounded by palm trees.
A spacious lobby with high ceilings, large windows, and a central coffee table surrounded by sofas and chairs.
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.

1. Hawks Cay Resort

Hawks Cay Resort
Marathon
United States
Antonio
€271
includes taxes & fees
22 Oct - 23 Oct
Hawks Cay Resort
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.
A beach scene with a wooden deck, palm trees, and a gazebo-like structure.
An aerial view of a resort with a central swimming pool, surrounded by lush greenery and palm trees, with a view of the ocean.

2. Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort
Marathon
United Kingdom
Stuart
€289
includes taxes & fees
19 Oct - 20 Oct
Tranquility Bay Beachfront Hotel and Resort
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.
An outdoor dining area with tables and chairs, a pool, and a view of the sea and boats.

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

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Marathon
United States
Rick
€198
includes taxes & fees
20 Oct - 21 Oct
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
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.

4. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
United States
Tiffany
€228
includes taxes & fees
12 Nov - 13 Nov
Grassy Flats Resort & Beach Club
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 living room with a sofa, chairs, a dining table, a TV, and a view of the ocean.

5. Villas At Hawks Cay Resort

Villas At Hawks Cay Resort
Marathon
United States
Gabriela
€609
includes taxes & fees
30 Oct - 31 Oct
Villas At Hawks Cay Resort
A large hotel with a pool, multiple balconies, and palm trees.
A modern living room with a beige sectional sofa, large windows with wooden blinds, and a view of a marina and beach.
A beach with clear water and gentle waves.
A large, two-story hotel with a swimming pool in front.

6. Marlin Bay Resort & Marina

Marlin Bay Resort & Marina
Marathon
United States
Chardell
Marlin Bay Resort & Marina
A covered outdoor area with a wooden deck, white railings, and a view of the ocean.
A resort with multiple buildings, a large central pool, and a view of the ocean.
A poolside area with lounge chairs and palm trees.
An aerial view of a coastal resort with multiple buildings, a marina, and clear blue waters.

7. Waterfront Luxury Villa

Waterfront Luxury Villa
Marathon Shores
Waterfront Luxury Villa
A living room with a sofa, a glass coffee table, a television on a cabinet, and a sliding glass door leading to an outdoor area.
A living room with a sofa, armchair, and coffee table, a dining area with a table and chairs, and a kitchen in the background.
A modern kitchen with white cabinets, stainless steel appliances, and a granite countertop.
A kitchen with granite countertops, a stainless steel sink, a coffee maker, and a ceiling fan.

8. Oceanfront Duck Key Villa: 2 Marinas Steps Away!

Oceanfront Duck Key Villa: 2 Marinas Steps Away!
Marathon
Oceanfront Duck Key Villa: 2 Marinas Steps Away!
Interior
A modern kitchen with white cabinets, a microwave, and a dishwasher. There are three bar stools and a large window overlooking the ocean.
A beach with clear turquoise water, a wooden pier, and a rocky shoreline.
A modern kitchen with white cabinetry, a built-in oven, and a large island with stools.

9. Florida Keys Getaway w/ Stunning Ocean Views

Florida Keys Getaway w/ Stunning Ocean Views
Long Key
€941
includes taxes & fees
28 Oct - 29 Oct
Florida Keys Getaway w/ Stunning Ocean Views
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Explore similar 5-star hotels

Many 5-star hotels have the same amenities as 4-star hotels. See all 5-star hotels in Grassy Key.
Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa

1 Knights Key Boulevard Marathon FL
€260
18 Oct - 19 Oct
includes taxes & fees
9.2/10 Wonderful! (1,295 reviews)
Isla Bella Beach Resort & Spa
Sea Glass Cove

Sea Glass Cove

59720 Overseas Hwy Marathon FL
Get ratesSea Glass Cove
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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.

Learn more about Grassy Key

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

See all hotels in Grassy Key
A building with a blue awning labeled "Dolphin Research Center" and a dolphin logo.

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
"As soon as we"
Stephen 4-night trip
Posted 2 hours ago
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort

10/10 Excellent
"Access to the beach for the kids"
Rene 4-night trip
Posted 4 days ago
Tranquility Bay Beachfront Hotel and Resort

Frequently asked questions

What are the best 4-star hotels in Grassy Key?
Make amazing memories in Grassy Key at Hawks Cay Resort. Highly recommended by Expedia customers, this 4-star hotel includes lots of amenities for a relaxing and comfortable stay.
How much does it cost to stay in a 4-star hotel in Grassy Key?
With Expedia's handy search filters, scoring a terrific deal on a 4-star hotel in Grassy Key just got simpler. Start by entering your chosen arrival date and length of your escape. Then list the results by price and choose a property that best suits your style and budget.
  • Search for the lowest price from €260
What's the difference between 5-star and 4-star hotels in Grassy Key?
If you decide to book a stay at a 4-star hotel in Grassy Key, you'll typically find lots of conveniences to keep you comfortable, such as a restaurant, gym and pool. You can look forward to top-quality service and upscale surroundings. Choose a 5-star hotel and you'll get a few more bells and whistles — think on-site spas, 24-hour front desk and nightly turndown services. You'll most likely get additional amenities and premium services at a 5-star retreat, though both are terrific options for luxury guests.

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