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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

F
FranckfrFR
Verified booking
family_with_children
Standard Room
Stayed in Nov 13, 2025

"Excellent"

8.0

Le charme de l'hôtel et la gentillesse personnel

Helpful?
R
Rob usUS
Verified booking
couple
Standard Room
Stayed in Nov 12, 2025

"Very Good"

7.0

The food at the restaurant was excellent! Excellent service also!

Could not sleep due to the noise.

Helpful?
R
rfye2025LENA, ILLINOIS
Verified booking
NONE
Standard Room
Stayed in Nov 11, 2025

"Beautiful Resort"

10.0

What a great property with so much to do. My wife and I enjoyed the kayaking in the ocean. The bar was great with live music all weekend. Stunning sunrises from our balcony.

Helpful?
A
AnitausUS
Verified booking
extended_group
Standard Room
Stayed in Nov 10, 2025

"Exceptional"

9.0

Staff was great and food at restaurant in front of resort was outstanding

Helpful?
K
KimusUS
Verified booking
extended_group
Standard Room
Stayed in Nov 10, 2025

"Exceptional"

9.0
Helpful?
D
doublebogie208JUPITER, FLORIDA
Verified booking
NONE
Standard Room
Stayed in Nov 9, 2025

"Weekend night"

10.0

Beautiful and Clean rooms Kind and very friendly staff Second time visiting, it was just as amazing as the first time 5 stars for everyone

Helpful?
K
kllogan61WINSTON SALEM, NORTH CAROLINA
Verified booking
NONE
Standard Room
Stayed in Nov 9, 2025

"Absolutely Love This Place!"

10.0

This was our first stay at this resort and our first trip to the Keys! This resort is so incredible! It’s upscale vibes and tropical paradise landscapes are paired nicely with a very hospitable, friendly staff that go out of their way to make you feel welcome. The food offerings at the resort were also very delicious and made staying on site for meals very convenient. We loved everything about this place and would absolutely recommend it to anyone planning a trip to the Keys! Also, I can’t forget about Wilma the cat. She was always close by to greet you with a complimentary purr!

Helpful?
M
MichaelusUS
Verified booking
couple
Standard Room
Stayed in Nov 8, 2025

"Good"

4.0

Location

Housekeeping and bathroom lighting need work. Noise from stairs transmitted to guest rooms. Weather stripping at thresholds damaged allowed road noise from US1 to enter room. Busy road day and all night.

Helpful?
J
JodiusUS
Verified booking
extended_group
Standard Room
Stayed in Nov 2, 2025

"Exceptional"

10.0
Helpful?
I
iae2spjqllNEW PORT RICHEY, FLORIDA
Verified booking
NONE
Standard Room
Stayed in Oct 31, 2025

"Hidden gem in Marathon"

10.0

Loved this place. Very clean and staff were very polite and friendly. Beds were very comfortable. I would highly recommend.

Helpful?
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