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9.1 / 10 Guest Rating

Grassy Flats Resort & Beach Club

58182 Overseas Hwy,Marathon FL 3305, Marathon, us

Grassy Flats Resort & Beach Club - main view

About the Property

Luxurious Accommodation with Spectacular Views
Experience a slice of paradise at Grassy Flats Resort & Beach Club in Marathon. Indulge in pool views from every room, relax on the sun terrace, and unwind in the hot tub. Top-Notch Amenities for Ultimate Comfort Enjoy air-conditioned rooms with sea view balconies, flat-screen TVs, and fully equipped kitchens in selected units. The hotel also offers an outdoor pool, free parking, a garden, and a restaurant for your convenience. Unwind and Explore Take advantage of the barbecue facilities, concierge service, and ATM on-site. With easy access to nearby attractions like Florida Keys Aquarium Encounters, your stay at Grassy Flats Resort & Beach Club will be unforgettable. Book now for a dreamy getaway!

Facilities & Amenities

Offsite parking discounted rates available
Parking
Non-smoking rooms
Air conditioning
Swimming pool
Restaurant
Family rooms
Pets allowed
Lift / Elevator
Express check-in/check-out

Important Information

Check-in & Out

Check-in
Check-out11:00 AM

Property Notes

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 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 deposit may be required at the property.

Check Room Availability

1 night · 2 adults

No rooms available

We couldn't find any available rooms for these dates and guests. Try adjusting your search criteria.

Guest Reviews

9.1
Exceptional736 verified reviews
AI Summary

Guests highly rate the clean and well-maintained and frequently praise the friendly and helpful staff.

Categories

Cleanliness9.0
Service9.4
Location9.4
Room Quality8.5
Amenities9.3
Value for Money8.7
Food and Beverage9.1
Overall Experience9.3

Select topics to read reviews

K
KarenusUS
Verified booking
extended_group
Standard Room
Stayed in Dec 12, 2025

"Loved it here - better than Key West! Chill vibe and beautiful views!"

10.0

location, amenities, staff are all top notch!

Helpful?
W
WouterbeBE
Verified booking
couple
Standard Room
Stayed in Dec 10, 2025

"Very Good"

7.0
Helpful?
S
SheilausUS
Verified booking
couple
Standard Room
Stayed in Dec 7, 2025

"We enjoyed our week at Grassy Flats and would definitely go back. It was a laid back, relaxing atmosphere. The service w"

9.0

I loved that it had two pools and the private beach area. Food was great and so was the staff. The room was very clean. We loved having the store, rooftop bar and the restaurant right on site for ease. When we arrived, we were offered a sparkling drink as we toured the premises, which was a nice touch.

The mattresses could stand to be updated. We were also surprised that there was no microwave in the room. It would have been nice to heat up some of our leftovers from the excellent meals. The fire alarm system alarmed two mornings before 8:00 a.m. which startled us awake. Of course this was of no fault of the staff. We would have also preferred getting a top floor like we had requested since I am a light sleeper.

Helpful?
B
BradcaCA
Verified booking
couple
Standard Room
Stayed in Dec 7, 2025

"Exceptional"

9.0
Helpful?
R
ryanusUS
Verified booking
couple
Standard Room
Stayed in Dec 6, 2025

"Exceptional"

10.0
Helpful?
R
rp3yhgm8th
Verified booking
NONE
Standard Room
Stayed in Dec 2, 2025

"Hidden gem."

10.0

The only regret is that I only had 2 nights here. Definitely coming back. Rooms arw facing ocean. Plenty of food options. You can enjoy variety of water activities or just relax by the pool.

Helpful?
C
CameronusUS
Verified booking
couple
Standard Room
Stayed in Dec 2, 2025

"We loved out stay. The ground were nice snd the property was clean."

10.0

The pool

Helpful?
B
brinberg
Verified booking
NONE
Standard Room
Stayed in Nov 30, 2025

"Amazing water sports! I stayed here for a kiteboarding event and will be back with more family and friends"

10.0

Ollie, Matt, and others were fantastic coordinating water sports! They have high quality paddle boards, kites, twin tips, foil boards, sail boats, available and know the area well. I stayed here for a kiteboarding event and will be back with more family and friends. They can help you out with whatever adventure you are looking for, or provide a beautiful place for peace and quiet. Service, cleanliness, value, location, and rooms were all great. Give them a call or book online.

Helpful?
J
jzfBOCA RATON, FLORIDA
Verified booking
NONE
Standard Room
Stayed in Nov 30, 2025

"A Gem"

10.0

A quick Thanksgiving getaway spent at Grassy Flats. Set back from the road a tucked away gem. Small family and friends resort with 2 pools, restaurant on premises plus a market that serves easy breakfast, lunch and dinner. Prize is the roof top bar with expansive view serving food and drinks and live music! Stay awhile!

Helpful?
C
CLARAfrFR
Verified booking
couple
Standard Room
Stayed in Nov 30, 2025

"Superbe hôtel"

9.0

La vue sur la mer et la gentillesse du personnel

Helpful?
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