5 Star Hotels in Grassy Key, Marathon

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Top Grassy Key 5 Star Hotels

Our top choices for Grassy Key 5-star hotels

Isla Bella Beach Resort & Spa
Property grounds

Isla Bella Beach Resort & Spa

5.0 star property
9.2 out of 10, Wonderful, (1037)
"Beautiful hotel with fantastic facilities and stunning views. Great spot for some family downtime - the kids loved the pools and the linked fishing charters were awesome "
The price is €275
includes taxes & fees
27 Aug - 28 Aug
Isla Bella Beach Resort & Spa
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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
The price is €257 per night from 7 Sept to 8 Sept
€257
7 Sept - 8 Sept
includes taxes & fees
8/10 Very Good! (1,002 reviews)
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PoolSpaHot tubBreakfast includedWaterpark
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 Keys Cable Park.

See all hotels in Grassy Key
Dolphin Research Center which includes a statue or sculpture and signage

Top Grassy Key Hotel Reviews

Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa

10/10 Excellent
"Wonderful "
billy 1-night trip
Posted 4 days ago
Isla Bella Beach Resort & Spa

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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 €180

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.