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Hotels in Grassy Key

Choose from 2143 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 ...
8/10 Very Good! (687 reviews)
"Love the vibe. The property is gorgeous, with fishing, kayaking, and the pool. We loved sitting outside under the palm trees at night. The breakfast was delicious and the staff were great. 100% will come again."

Reviewed on Jul 12, 2025

Rainbow Bend Resort
Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club

2.5 out of 5
58182 Overseas Hwy, Marathon, FL
  • 14 min walk from Dolphin Research Center
Book a stay at this beach hotel in Marathon. Enjoy free WiFi, free parking, and 2 outdoor pools. Our guests praise the helpful staff and the property condition ...
9.4/10 Exceptional! (292 reviews)
"Expedia messed up our rental and the resort was very accommodating. Would recommend booking through the resort directly and not through Expedia"

Reviewed on Jul 13, 2025

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! (479 reviews)
"The property was Ok just needs a little upgrades our bath tub looked like it was old but, overall the stay was good. The area for the dogs was great and, the views of the dock outstanding. Manuel in front desk very nice and courteous. The only thing missing was a beach area with a bar."

Reviewed on Jun 20, 2025

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 beach 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! (1,015 reviews)
"Great"

Reviewed on Jul 14, 2025

Hawks Cay Resort
Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa

5 out of 5
1 Knights Key Boulevard, MM 47, Marathon, FL
  • 29 min drive from Dolphin Research Center
Stay at this 5-star 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 ...
9/10 Wonderful! (1,004 reviews)
"Great resort. Beautiful place with wonderful staff. The sargassum and the mosquitos were the only detractors."

Reviewed on Jul 11, 2025

Isla Bella Beach Resort & Spa
Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys

2.5 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 ...
9/10 Wonderful! (1,001 reviews)
"The property and the employees ( Jahneil ) were excellent. My problem is I booked through Expedia. And it took such a long time for my information to be sent to the hotel front desk. The young lady that took care of us is an exception and a service to the facility. The parking was very tight and ..."

Reviewed on Jul 15, 2025

Fairfield Inn & Suites by Marriott Marathon Florida Keys
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
Stay at this 3.5-star 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! (1,094 reviews)
"Very friendly and relaxed Room very nice. Lovely views"

Reviewed on Jul 7, 2025

Lime Tree Bay Resort
Courtyard by Marriott Faro Blanco Resort

Courtyard by Marriott Faro Blanco Resort

3 out of 5
2146 Overseas Hwy, Marathon, FL
  • 26 min drive from Dolphin Research Center
Stay at this 3-star beach hotel in Marathon. Enjoy free WiFi, 2 outdoor pools, and 2 bars/lounges. Our guests praise the pool and the helpful staff in our reviews. ...
9/10 Wonderful! (1,000 reviews)
Wonderful getaway half way down the Keys
"The hotel was lovely and the staff was attentive. Lots of nice amenities like hammock swings, outdoor chess board, cornhole, 2 nice pools. Would stay there again!"

Reviewed on Jul 14, 2025

Courtyard by Marriott Faro Blanco Resort
Faro Blanco Resort & Yacht Club Marathon, Curio by Hilton

Faro Blanco Resort & Yacht Club Marathon, Curio by Hilton

4 out of 5
1996 Overseas Highway, Marathon, FL
  • 26 min drive from Dolphin Research Center
Stay at this 4-star beach resort in Marathon. Enjoy free WiFi, 2 outdoor pools, and 4 restaurants. Our guests praise the breakfast and the pool in our reviews. ...
8.8/10 Excellent! (1,294 reviews)
"Very good and clean, just what you need to relax"

Reviewed on Jul 9, 2025

Faro Blanco Resort & Yacht Club Marathon, Curio by Hilton
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
Stay at this 4-star 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! (1,001 reviews)
"Excellent"

Reviewed on Jul 14, 2025

Tranquility Bay Beachfront Hotel and Resort
Coconut Cay Resort & Marina

Coconut Cay Resort & Marina

2 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! (1,000 reviews)
"Very good"

Reviewed on Jul 13, 2025

Coconut Cay Resort & Marina
Hampton Inn Marathon - Florida Keys

Hampton Inn Marathon - Florida Keys

2.5 out of 5
13351 Overseas Highway, 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 a fitness center. Our guests praise the breakfast and the pool ...
8.8/10 Excellent! (1,013 reviews)
"Excellent stay. Very clean hotel, very well-kept."

Reviewed on Jul 16, 2025

Hampton Inn Marathon - Florida Keys
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

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How many hotels are there in Grassy Key?

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