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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! (705 reviews)
"Nice place beautiful beach and excellent restaurant. Bed was very comfortable"

Reviewed on Jul 29, 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! (299 reviews)
"Nice quiet stay. Pools were nice. Beach is advertised but not really usable for swimming, snorkeling, etc. The bathtub faucet didn’t work and our air conditioner wasn’t functioning properly - it was always 75-76 degrees inside, which made for uncomfortable sleep. We were told maintenance would come, ..."

Reviewed on Jul 28, 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! (1,029 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! (1,008 reviews)
"The only thing we didn’t like is that there is no music around the resort."

Reviewed on Jul 29, 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! (1,020 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! (1,096 reviews)
"Amazing like always"

Reviewed on Jul 27, 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! (1,290 reviews)
"Very nice well kept property with a feel for being in nature. The grounds/plantings are well kept and tropical feeling with a butterfly garden yard games, 2 pools and more. The only downside was no beach. But, if you are patient you can spot some very cool fish from the docks"

Reviewed on Jul 29, 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! (1,016 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! (1,012 reviews)
"Very good"

Reviewed on Jul 26, 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)
"Thank you all the staff everyone was super nice and helpful with everything the front desk staff and the housekeeping and everyone over was super helpful and greatful with everyone totally will be recommending and coming back soon thank you"

Reviewed on Jul 29, 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! (185 reviews)
"Unique place to stay. It is peaceful sitting on the back deck at anytime."

Reviewed on Jul 29, 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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