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

Grassy Key Hotel Guide - 4 Stars Hotels in Grassy Key, Marathon

  • 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 4 Star Hotels

Tonight
14 Oct - 15 Oct
Tomorrow
15 Oct - 16 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 pathway leading to a pool area with palm trees and a sunset view.
An aerial view of a coastal resort with multiple white buildings, a clear turquoise sea, and lush greenery.
A spacious lobby with high ceilings, large windows, and a central coffee table surrounded by sofas and chairs.

1. Hawks Cay Resort

Hawks Cay Resort
Marathon
United States
Antonio
Rp3.610.251
Rp5.437.684 total
includes taxes & fees
20 Oct - 21 Oct
Hawks Cay Resort
A swimming pool surrounded by palm trees and lounge chairs.
A wooden deck with blue chairs overlooking a beach with palm trees and the ocean.
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.

2. Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort
Marathon
United Kingdom
Stuart
Rp4.099.100
Rp5.765.142 total
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 spacious lobby with a central round table, surrounded by wicker chairs, large potted plants, and decorative lanterns.
An outdoor dining area with tables and chairs, a pool, and a view of the sea and boats.
A room with two sofas, a round coffee table, and a small side table with a vase.

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

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Marathon
United States
Rick
Rp2.923.043
Rp3.962.489 total
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 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.
A bar area with stools, a counter, and hanging lanterns.

4. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
Rp3.291.273
Rp4.561.883 total
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.
A modern kitchen with white cabinetry, a stainless steel oven, and a large island with a bowl of fruit.
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.

5. Villas At Hawks Cay Resort

Villas At Hawks Cay Resort
Marathon
United States
Gabriela
Rp9.834.237
Rp12.172.063 total
includes taxes & fees
30 Oct - 31 Oct
Villas At Hawks Cay Resort
A large hotel with a pool, multiple balconies, and palm trees.
A large, two-story hotel with a swimming pool in front.
A beach with clear water and gentle waves.
A beachside wedding setup with wicker chairs and a white canopy, palm trees, and a sunset view.

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.
An aerial view of a coastal resort with multiple buildings, a marina, and clear blue waters.
A resort with multiple buildings, a large central pool, and a view of the ocean.
A spacious dining area with a long table, wicker chairs, and hanging wicker lamps.

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 modern kitchen with white cabinets, stainless steel appliances, and a granite countertop.
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 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
Rp10.138.758
Rp18.801.664 total
includes taxes & fees
28 Oct - 29 Oct
Florida Keys Getaway w/ Stunning Ocean Views
Save an average of 15% on thousands of hotels when you're signed in

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
Rp3.691.869
Rp5.225.088 total
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
Still don't see what you're looking for?
See all properties in Grassy Key.
You can also use these popular filters to refine your search.
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 6 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?
Relax in refined comfort at Hawks Cay Resort. According to reviews by our customers, this is one of Grassy Key's popular 4-star hotels.
How much does it cost to stay in a 4-star hotel in Grassy Key?
We can help you quickly locate the ideal 4-star hotel for your stay in Grassy Key. Use our filter tool to tailor your search by things like price, amenities and star rating and get access to terrific deals in a few clicks.
  • Search for the lowest price from Rp5.225.088
What's the difference between 5-star and 4-star hotels in Grassy Key?
If you decide to spend your holiday at a 4-star hotel in Grassy Key, you'll typically find plenty of amenities to make sure you're comfortable, such as a gym, pool and restaurant. You can experience high-quality service and upmarket accommodation. Pick a 5-star hotel and you'll get a few extra bells and whistles — think on-site spas, 24-hour front desk and opulent turndown services. You'll most likely get extra amenities and first-rate services at a 5-star stay, but both are fabulous options for luxury travellers.

Explore a world of travel with Expedia