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

Find 4 Star Hotels in Grassy Key, FL from $221

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Check availability on Grassy Key 4 Star Hotels

Tonight
Oct 2 - Oct 3
Tomorrow
Oct 3 - Oct 4
This weekend
Oct 2 - Oct 4
Next weekend
Oct 9 - Oct 11

Our top choices for Grassy Key 4-star hotels

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 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
Katherine
$255 nightly
$286 total
Oct 8 - Oct 9
Total with taxes and fees
Hawks Cay Resort
A swimming pool surrounded by palm trees and lounge chairs.
A beach scene with a wooden deck, palm trees, and a gazebo-like structure.
A wooden deck with blue chairs overlooking a beach with palm trees and the ocean.
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
$272 nightly
$306 total
Oct 26 - Oct 27
Total with taxes and fees
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.
An outdoor dining area with tables and chairs, a pool, and a view of the sea and boats.
A bar area with a long counter, multiple bar stools, and a view of the marina with boats and palm trees.

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

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Marathon
United States
Rick
$197 nightly
$221 total
Oct 11 - Oct 12
Total with taxes and fees
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
A wooden deck with a pool and chairs overlooking a beach with palm trees.
A bar area with stools, a counter, and hanging lanterns.
A hotel room with a sofa, a desk, a chair, a TV, and a balcony with curtains.
A beach with a wooden walkway leading to the water, palm trees, and a clear sky.

4. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
United States
Tiffany
$214 nightly
$240 total
Oct 11 - Oct 12
Total with taxes and fees
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.
A modern living room with a sofa, chairs, a dining table, a TV, and a view of the ocean.
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
$604 nightly
$680 total
Oct 30 - Oct 31
Total with taxes and fees
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 modern living room with a beige sectional sofa, large windows with wooden blinds, and a view of a marina and beach.

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 spacious dining area with a long table, wicker chairs, and hanging wicker lamps.
A resort with multiple buildings, a large central pool, and a view of the ocean.

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 sandy area with a water body, surrounded by greenery and a building with a flat roof.
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!
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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
$252 nightly
$283 total
Oct 4 - Oct 5
Total with taxes and fees
9.2/10 Wonderful! (1,283 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

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
A building with a blue awning labeled "Dolphin Research Center" and a dolphin logo.

Top Grassy Key Hotel Reviews

Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort

10/10 Excellent
"Great"
Kevin 4-night trip
Posted 2 days ago
Tranquility Bay Beachfront Hotel and Resort

Find out more about Grassy Key

Grassy Key Four Star Hotel Information

When you need to book a room with luxurious amazing amenities and the best rates, the 4 star hotels in Grassy Key, Marathon are incredible options. Known for their extra perks, first-rate service, and fantastic locations, each of the Grassy Key 4 star hotels offers the ultimate experience for globe-trotting travelers. Relax in your expertly designed room. Kick back with around-the-clock room service.

Get a good night’s sleep with the ultra-plush bedding, and freshen up in the morning with designer-inspired body products. It’s all available when you stay at one of the top book a four star hotels in Grassy Key. What’s more, thanks to Expedia you might even score a cheap great deal on a 4 star hotel in Grassy Key, Marathon, areas near the hottest attractions, so you can plan a sightseeing adventure and take advantage of unbeatable discounts in one fell swoop.

Whether you’re putting together a serene getaway or want to revel in the most vibrant entertainment district, 4 star Grassy Key hotels offer everything your heart desires.

Frequently asked questions

What are the best 4-star hotels in Grassy Key?
Create lifelong vacation memories in Grassy Key at Hawks Cay Resort. Highly rated by Expedia customers, this 4-star hotel offers loads of conveniences 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 filter tool, scoring a terrific deal on a 4-star hotel in Grassy Key just got easier. Start by entering your chosen travel dates and length of your stay. Then sort the results by price and pick a property that best fits your style and budget.
  • Search for the lowest price from $283
What's the difference between 5-star and 4-star hotels in Grassy Key?
If you choose to spend your vacation at a 4-star hotel in Grassy Key, you'll usually find plenty of amenities to keep you relaxed, such as a pool, gym and restaurant. You can enjoy top-quality service and upscale accommodations. Pick a 5-star hotel and you'll have access to a few more bells and whistles — think on-site spas, concierge assistance and indulgent turndown services. You're likely to get more amenities and first-rate services at a 5-star getaway, though both are fabulous options for luxury guests.

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