You might be eligible for a Genius discount at Grassy Flats Resort & Beach Club. To check if a Genius discount is available for your selected dates sign in.
Genius discounts at this property are subject to book dates, stay dates and other available deals.
About this property
Elegant Accommodations: Grassy Flats Resort & Beach Club in Marathon offers comfortable family rooms with sea views, balconies, and private bathrooms. Each room includes air-conditioning, a private entrance, and modern amenities. Exceptional Facilities: Guests enjoy a swimming pool with a view, an outdoor fireplace, and a hot tub. The resort features a modern restaurant serving American, Mediterranean, Seafood, Spanish, and local cuisines, alongside a bar and coffee shop. Free WiFi is available throughout the property. Prime Location: Located 89 km from Key West International Airport, the resort is near attractions such as Florida Keys Aquarium Encounters (9 km) and Bahia Honda State Park (35 km). Guests appreciate the scenic views, attentive staff, and easy beach access.
Couples particularly like the location — they rated it 9.1 for a two-person trip.
Distance in property description is calculated using © OpenStreetMap
Most popular facilities
- 2 swimming pools
- Free parking
- Free WiFi
- Non-smoking rooms
- Family rooms
- Facilities for disabled guests
- 3 restaurants
- Tea/coffee maker in all rooms
- Bar
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Availability
Select dates to see this property's availability and prices
Room type | Number of guests | |
---|---|---|
1 extra-large double bed | ||
Bedroom 1 1 large double bed Bedroom 2 1 large double bed | ||
Bedroom 1 1 extra-large double bed Bedroom 2 1 large double bed Bedroom 3 1 large double bed | ||
Bedroom 1 1 extra-large double bed Bedroom 2 1 extra-large double bed | ||
2 large double beds | ||
1 extra-large double bed | ||
1 extra-large double bed |
Guest reviews
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Guests who stayed here loved
- Sheila
United Kingdom
“The location was great, clean, cool and comfortable rooms” - Kerry
United Kingdom
“Amazing location. Beautiful beach area. Comfortable loungers round the pool. Relaxed laid back vibe . Friendly staff. Supermarket and bar within the property (land and sea) was excellent for breakfast . Complimentary kayaks.” - Dougan
United Kingdom
“Beautifully beachside location ! Adult pool area was superb ! Staff and rooms great ! Would stay again” - David
United Kingdom
“Lovely clean rooms, perfect views, small beach area. Great position for travelling up and down between Islamorada and Marathon.” - Emily
United Kingdom
“Stunning hotel with stunning views. Our room was absolutely gorgeous!” - Maria
Estonia
“Everything was amazing. Beautiful property. Spacious beautiful room and bathroom. Friendly staff.” - Sophie113
United Kingdom
“Lovely hotel in a good location. Great staff. Pool was kept very clean.” - Christopher
United Kingdom
“Location. Great room with sea view and adult only pool. Staff very friendly and helpful. Ability to buy food and drink at the local store” - Andy
United Kingdom
“Following a long drive we received a great welcome from Morgan on reception, who eased us into the Grassy Flats vibe. The room (302) was outstanding, shotgun style, with 2 great Queen beds, plenty of space, good quality furnishings and clean. The...” - Keith
United Kingdom
“Only here for one night but room was very nice with fabulous outlook. Reception staff were very friendly and helpful and we enjoyed our meal in the restaurant where the food and service were very good”
Hotel surroundings
Restaurants
- The Rhum House - fine dining
- Open forDinner
- Grassy Key Land and Sea Market
- CuisineAmerican
- Open forBreakfast • Lunch • Dinner
- The Palm Deck Rooftop Bar
- CuisineAmerican • Mediterranean • Seafood • Spanish • Local
- Open forCocktail hour
- AmbianceModern
House rules
Child policies
Children of any age are welcome.
To see correct prices and occupancy information, please add the number of children in your group and their ages to your search.
Cot and extra bed policies
Cots and extra beds are not available at this property.




The fine print
Guests are required to show a photo identification and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.
Please inform Grassy Flats Resort & Beach Club in advance of your expected arrival time. You can use the Special Requests box when booking, or contact the property directly with the contact details provided in your confirmation.
Guests under the age of 18 can only check in with a parent or official guardian.
A damage deposit of US$250 is required on arrival. This will be collected by credit card. You should be reimbursed on check-out. Your deposit will be refunded in full via credit card, subject to an inspection of the property.