Search for Cheap Deals on
Hotels in Grassy Key

Check Last Minute Grassy Key Hotel Deals

Tonight Mar 8 - Mar 9Next weekend Mar 13 - Mar 15

Choose from 2297 Grassy Key Hotel Deals

Rainbow Bend Resort

Rainbow Bend Resort

2.5 out of 5
57784 Overseas Hwy Marathon FL
  • 22 min walk from Dolphin Research Center
Book a stay at this beach hotel in Marathon. Enjoy a private beach, daily housekeeping, and a garden. Our guests praise the breakfast and the helpful staff in ...
8.2/10 Very Good! (872 reviews)
Perfect getaway spot.

Reviewed on Mar 7, 2026

Rainbow Bend Resort
Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club

4 out of 5
58182 Overseas Hwy Marathon FL
  • 14 min walk from Dolphin Research Center
Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and 2 outdoor pools. Our guests praise the helpful staff and the property condition in our reviews. ...
9.4/10 Exceptional! (412 reviews)
Yes

Reviewed on Mar 7, 2026

Grassy Flats Resort & Beach Club
Gulf View Waterfront Resort

Gulf View Waterfront Resort

2.5 out of 5
58743 OVERSEAS HWY Marathon FL
  • 4 min walk from Dolphin Research Center
Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and daily housekeeping. Our guests praise the helpful staff and the clean rooms in our reviews. ...
8.4/10 Very Good! (556 reviews)
Nothing but perfect.

Reviewed on Mar 6, 2026

Gulf View Waterfront Resort
Hawks Cay Resort

Hawks Cay Resort

4 out of 5
61 Hawks Cay Blvd Marathon FL
  • 6 min drive from Dolphin Research Center
Book a stay at this luxury hotel in Marathon. Enjoy free WiFi, 5 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in our ...
8/10 Very Good! (1,013 reviews)
We stayed in a villa. The carpet was dirty, the shower was so small it was hard to turn around, and there was little water pressure until there was none at all, to which they moved us into two rooms in the main hotel. We must've been next to an AC unit or something because it sounded like military ...

Reviewed on Mar 5, 2026

Hawks Cay Resort
Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa

5 out of 5
1 Knights Key Boulevard Marathon FL
  • 29 min drive from Dolphin Research Center
Book a stay at this luxury hotel in Marathon. Enjoy free WiFi, 5 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in our ...
9.2/10 Wonderful! (1,101 reviews)
Nice resort,,great staff ,but main restaurant dinnr service is terribly slow and food isnt great ,also cold ,,breakfast food is good ,but takes forever!,,

Reviewed on Mar 5, 2026

Isla Bella Beach Resort & Spa
Lime Tree Bay Resort

Lime Tree Bay Resort

3.5 out of 5
68500 Overseas Hwy Long Key FL
  • 23 min drive from Dolphin Research Center
Book a stay at this beach resort in Long Key. Enjoy free WiFi, free parking, and 3 outdoor pools. Our guests praise the pool and the helpful staff in our reviews. ...
9.2/10 Wonderful! (1,187 reviews)
Beautiful place, clean, safe & great for ocean front sunsets from the pool or beach

Reviewed on Mar 6, 2026

Lime Tree Bay Resort
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

3 out of 5
2146 Overseas Hwy Marathon FL
  • 26 min drive from Dolphin Research Center
Book a stay at this beach hotel in Marathon. Enjoy free WiFi, 2 outdoor pools, and a beach locale. Our guests praise the pool and the helpful staff in our reviews. ...
9/10 Wonderful! (1,000 reviews)
Chair in front the desk look like someone went to the bathroom in it and was NEVER cleaned during our week long stay. Plus 20.00 a day to park and 35.00 a day resort fee was nothing but a joke. We won't be back.

Reviewed on Feb 28, 2026

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Kingsail Resort

Kingsail Resort

2 out of 5
7050 Overseas Highway Marathon FL
  • 20 min drive from Dolphin Research Center
Stay at this motel in Marathon. Enjoy free WiFi, free parking, and a marina. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
8.6/10 Excellent! (1,036 reviews)
Old school Key West motel, with a nice pool and comfortable, clean rooms. Our room was spotless, and kept clean every day. Free coffee every morning at the outdoor Tiki Hut by the water, and a handy microwave and refrigerator in the room. Everyone we interacted with was friendly, helpful, and welcoming. ...

Reviewed on Mar 5, 2026

Kingsail Resort
Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys

3 out of 5
13201 Overseas Hwy Marathon FL
  • 13 min drive from Dolphin Research Center
Book a stay at this business-friendly hotel in Marathon. Enjoy free breakfast, free WiFi, and 2 outdoor pools. Our guests praise the breakfast and the restaurant ...
9.2/10 Wonderful! (1,093 reviews)
Excellent all

Reviewed on Mar 7, 2026

Fairfield Inn & Suites by Marriott Marathon Florida Keys
Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort

4 out of 5
2600 Overseas Hwy Marathon FL
  • 26 min drive from Dolphin Research Center
Book a stay at this beach hotel in Marathon. Enjoy free WiFi, free parking, and 3 outdoor pools. Our guests praise the pool and the helpful staff in our reviews. ...
8.8/10 Excellent! (1,004 reviews)
Everything was great

Reviewed on Mar 7, 2026

Tranquility Bay Beachfront Hotel and Resort
Coconut Cay Resort & Marina

Coconut Cay Resort & Marina

3 out of 5
7196 Overseas Highway Marathon FL
  • 20 min drive from Dolphin Research Center
Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and a marina. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
8.4/10 Very Good! (1,011 reviews)
We booked this place as an emergency stay when our place in Key West wasn’t ready and it was great… would recommend using it again

Reviewed on Mar 7, 2026

Coconut Cay Resort & Marina
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

4 out of 5
1996 Overseas Highway Marathon FL
  • 26 min drive from Dolphin Research Center
Book a stay at this beach resort in Marathon. Enjoy free WiFi, 4 outdoor pools, and a full-service spa. Our guests praise the pool and the restaurant in our ...
8.8/10 Excellent! (1,215 reviews)
Yes

Reviewed on Mar 4, 2026

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
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.

Find cheap hotels in Grassy Key

You’re not an average traveler—and Hotwire knows it. Your wanderlust takes you off the beaten path to discover unique adventures and every travel destination’s lesser-known tourist scenes. Hotwire has the hookup! Book your Grassy Key hotel with Hotwire to complete your one-of-a-kind travel checklist.

For you, intrepid voyager, Hotwire has a large selection of the best hotels in Grassy Key.

Choosing the right hotel in Florida has everything to do with the way you want your trip to go. If you’ve scribbled a few obscure destinations on your itinerary, you probably already have a good sense of how your getaway is taking shape. Lean into that by booking one of Grassy Key’s 2,297 hotels. Choose the one that best catches your trip’s tourist drift.

If you’re traveling during the week for business, Hotwire can score you a luxury hotel for as low as $232. In town for pleasure? Hotwire still has you covered. If you’re in the mood for a quick last-minute weekend getaway or spa retreat, you can get great Grassy Key hotel deals at the last minute.

While traveling, where you stay plays a major role in your overall vacation enjoyment. Choosing the right hotel is just as important as making sure you book the right flight and car rental. If you’re traveling with family or friends, you may need to book a hotel with connecting rooms. If you enjoy an elegant and relaxing hotel ambiance, opt for one of Hotwire’s luxury hotels in Grassy Key. No matter your reason for visiting Grassy Key, with Hotwire’s large selection of hotels in the area, you’re sure to book a hotel that meets all your accommodation needs.

Frequently Asked Questions About Grassy Key hotels

Where can I find the best last-minute travel deals?

If you’re traveling in the spirit of spontaneity, you’ll love the idea of leaving your exact hotel choice up to chance. With Hotwire Hot Rates, you can unlock great deals on your next flight, hotel, or car rental. Just plug in your general preferences and let Hotwire choose last-minute hotel deals in Grassy Key for as low as $232.

How many hotels are there in Grassy Key?

With over 2,297 hotels in Grassy Key, you’re sure to find one that best matches your travel mood. When you book with Hotwire, you can score a stellar home away from home for as low as $232.

How to find cheap car rentals in Grassy Key?

Finding a cheap car rental deal in Grassy Key is as easy as scoring cheap hotels in Grassy Key. Hotwire partners with top-of-the-line car rental companies to bring you a large selection of affordable options. Whether you’re in need of a large SUV for the entire family or a more compact but stylish vehicle, Hotwire has you covered. You can unlock great car rental deals if you book a Hotwire Hot Rate at the last minute.