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Hotels in Grassy Key

Choose from 2273 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! (695 reviews)
"Our room was clean and the bed was comfortable. The shower was also good. The onsite restaurant is excellent! Unfortunately, the seaweed made the beach area unusable."

Reviewed on Jul 21, 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! (296 reviews)
"Quiet and relaxing atmosphere. With wonderful staff."

Reviewed on Jul 25, 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! (484 reviews)
"This is a fairly clean place. It has a great location to the water with jet ski rental at the property. The only real issue is the rooms are extremely noisy. We could here every step of the occupants above us and the highway noise was very loud in the room."

Reviewed on Jul 18, 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! (1,025 reviews)
"Great stay with family! Lots to do and plenty nearby for other dining and shopping options."

Reviewed on Jul 25, 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! (1,012 reviews)
"We spent a week at the resort and overall had a great time. It’s a shame there aren’t any hot tubs on property and the amenities available at the spa were limited. The restaurants on property were excellent and enjoyed dining on property several times."

Reviewed on Jul 26, 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! (1,019 reviews)
"We had a great experience staying. From the receptionist at the check in. She checked us in early and upgraded us too. The facility was very clean and the breakfast was on point. The restaurant next door was also a 10 out of 10 because the food was good as well as the service. Over all experience ..."

Reviewed on Jul 23, 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! (1,088 reviews)
"We love staying at Lime Tree Bay. The setting is beautiful and the staff are very friendly and helpful, and they made us feel very welcome."

Reviewed on Jul 25, 2025

Lime Tree Bay 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! (1,300 reviews)
"Nice place"

Reviewed on Jul 24, 2025

Faro Blanco Resort & Yacht Club Marathon, Curio by Hilton
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! (1,012 reviews)
"very good property on beach front"

Reviewed on Jul 25, 2025

Courtyard by Marriott Faro Blanco Resort
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! (1,006 reviews)
"Fantastic resort! Private beach, beautiful pool and palm trees. The villa was awesome!"

Reviewed on Jul 21, 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! (1,009 reviews)
"Misle the front desk staff was awesome!"

Reviewed on Jul 27, 2025

Coconut Cay Resort & Marina
Yacht Haven Marina

Yacht Haven Marina

3.5 out of 5
5 Sombrero Blvd, Marathon, FL
  • 22 min drive from Dolphin Research Center
Stay at this 3.5-star houseboat in Marathon. Enjoy free WiFi, free parking, and a picnic area. Our guests praise the helpful staff in our reviews. Popular attractions ...
9.8/10 Exceptional! (178 reviews)
"Loved everything about this place! Definitely will be making another trip here."

Reviewed on Jul 24, 2025

Yacht Haven Marina
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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