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

Grassy Key 5 Stars Hotels

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Check availability on Grassy Key 5 Star Hotels

Tonight
Sep 9 - Sep 10
Tomorrow
Sep 10 - Sep 11
This weekend
Sep 11 - Sep 13
Next weekend
Sep 18 - Sep 20

Our top choices for Grassy Key 5-star hotels

An aerial view of a resort with a central pool, multiple buildings, and a beach area with sun loungers.
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.
An aerial view of a resort with a large building, a beach, and a pier in the background.

1. Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa
Marathon
United States
Maria
NT$5,928
NT$8,536 total
includes taxes & fees
Sep 13 - Sep 14
Isla Bella Beach Resort & Spa
A resort pool with a view of the sea, surrounded by palm trees and lounge chairs.
A clean, empty garage with fluorescent lighting, a metal garage door, and visible plumbing on the ceiling.
A modern kitchen with white cabinetry, a marble island, and wooden bar stools.
A wooden deck with a spiral staircase leading to an upper level.

2. Sea Glass Cove

Sea Glass Cove
Marathon
Sea Glass Cove
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Explore similar 4-star hotels

Many 4-star hotels have the same amenities as 5-star hotels. See all 4-star hotels in Grassy Key.
Hawks Cay Resort

Hawks Cay Resort

61 Hawks Cay Blvd Marathon FL
NT$4,330
NT$7,295 total
Sep 13 - Sep 14
includes taxes & fees
8.2/10 Very Good! (1,017 reviews)
Hawks Cay Resort
Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort

2600 Overseas Hwy Marathon FL
NT$6,026
NT$8,797 total
Sep 29 - Sep 30
includes taxes & fees
8.8/10 Excellent! (1,003 reviews)
Tranquility Bay Beachfront Hotel and Resort
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

1996 Overseas Highway Marathon FL
NT$4,626
NT$6,390 total
Sep 20 - Sep 21
includes taxes & fees
8.6/10 Excellent! (1,151 reviews)
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
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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 Keys Cable Park.

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

Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa

10/10 Excellent
"The resort was wonderful. Clean rooms and property over all."
Marianna 1-night trip
Posted less than an hour ago
Isla Bella Beach Resort & Spa

Frequently asked questions

How much does it cost to stay in a 5-star hotel in Grassy Key?
The amount you pay for a 5-star hotel in Grassy Key can vary depending on the time of year you travel and how long you plan to stay, among several factors. Take advantage of our price per night filter and other search tools to find the best deal on a luxurious stay.
  • Search for the lowest price per night from NT$6,390
What makes a hotel 5 stars in Grassy Key?
From high-end restaurants and all-day gyms to pools and the finest bedding, the 5-star experience in Grassy Key is all about luxury and relaxation. But it requires more than just top-notch perks to earn a 5-star rating. Hotels also have to provide superior guest services like in-room massages, dry cleaning and laundry and 24/7 room service.
Are there any 5-star all-inclusive resorts in Grassy Key?
Use Expedia's filters to find an upmarket retreat in Grassy Key where most of what you need is included in the price. From there, refine your results for hotels that have a rating of 5 stars and are deemed "All inclusive." The first thing on the itinerary at these stays? Relaxation and indulgence.

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