Grassy Flats Resort & Beach Club
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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 55 mi from Key West International Airport, the resort is near attractions such as Florida Keys Aquarium Encounters (5.6 mi) and Bahia Honda State Park (22 mi). Guests appreciate the scenic views, attentive staff, and easy beach access.
Couples in particular like the location – they rated it 9.1 for a two-person trip.
Distance in property description is calculated using © OpenStreetMap
Most popular amenities
- 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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Guest reviews
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Guests who stayed here loved
- Amyc
United States
“Ocean front room, comfortable and clean. We enjoyed the quiet facilities and welcoming staff.” - Ginger
United States
“We enjoyed our stay here. Check in and out was great. We had a relatively quiet and peaceful. The balcony was nice to sit out on. The adult pool was warm and relaxing. The jacuzzi was nice and hot. We didn't use any of the watercraft, but there...” - James
United States
“Staff were great! Building and decorating were good. Pools and landscaping excellent.” - Kellie
United States
“The staff was incredible from the welcoming lobby employees to the awesome fellow whom got us our kayaks. The employees were outstanding. The balcony was gorgeous! The room decor was beautiful! Nice to have all adult option. They had elevators...” - William
United States
“Clean and comfortable in an excellent location. Friendly and helpful staff.” - Karla
United States
“The property is beautiful, the buildings are well maintained and beautifully updated.” - Donald
United States
“Beautiful location! Our room had a lovely view! The staff are outstanding!” - Fellows
United States
“lived the outpost up front. The property was beautiful. The paddleboards were so much fun. The staff was more then accommodating. Plus the beds were so.comfortable!!!” - Louis
United States
“Great location on the water. You can watch the kite boarders all day. The new building and rooms are beautiful. Restaurant and bar, deck on site are nice.” - Jodilyn
United States
“We loved how the entire staff were so friendly and welcoming. They all worked together to make our stay memorable. Which is why we ended up extending our stay by another day. The food at all 3 restaurants were delicious. The drinks were tasty. The...”
Hotel area info
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
- AmbienceModern
House rules
Child policies
Children of all ages are welcome.
To see correct prices and occupancy info, add the number and ages of children in your group to your search.
Crib and extra bed policies
Cribs and extra beds aren't available at this property.




The fine print
Guests are required to show a photo ID 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 of your expected arrival time in advance. You can use the Special Requests box when booking, or contact the property directly using the contact details in your confirmation.
Guests under the age of 18 can only check in with a parent or official guardian.
A damage deposit of $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 by credit card, subject to an inspection of the property.