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United States
Marathon
Grassy Flats Resort & Beach Club
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75 photos
Grassy Flats Resort & Beach Club Marathon Amenities photoGrassy Flats Resort & Beach Club Marathon Exterior photoGrassy Flats Resort & Beach Club Marathon Exterior photo
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From536US$ /night
Check-in
21Jun2026Select date
Check-out
22Jun2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

58182 Overseas Hwy,Marathon Fl 3305, Marathon, Florida, United States, FL 33050
-
Near Sombrero Beach
Great
8.8
9.4
/10
4.8
4.7
/5

Loved by Grassy Flats Resort & Beach Club guests

  • Adults-only pool
  • Friendly staff
  • Delicious cocktails
  • Beautiful views
"We loved that there was an adult only pool and hot tub - separate family friendly area - and both had lifts."
Mark from United States
read full review
"Beautiful views from our balcony, the rooftop breakfast patio, and pool Tiki bar."
Janice from United States
read full review
"They include free paddle boards and kayaks."
Victoria from United States
read full review

Eco-Friendly Boutique Resort on Grassy Key

Accommodations

Grassy Flats Resort & Beach Club offers a variety of oceanfront accommodations with seven room types to cater to different guest needs. The Galleon Suites include wraparound corner windows for expansive views, while the Three Bedroom Suites comfortably host up to six guests. The Wreckers House, an adults-only building, provides a stylish setting that reflects the storied history of maritime salvagers in the Florida Keys.

Eco-Friendly Commitment

The hotel operates with a strong dedication to sustainability, employing measures to eliminate single-use plastics and harmful materials. The Grassy Grown initiative promotes growing fresh produce for the restaurant, utilizing organic composting to support this effort. Guests contribute to environmental preservation through the Seaweed Composting Program which enriches the hotel's organic gardens.

Diverse Dining Experience

The Rhum House serves upscale dining, featuring locally caught seafood and hand-crafted cocktails in an oceanfront setting. Guests can enjoy a thoughtful selection of wines from family-owned wineries that emphasize organic and sustainable practices. Dining hours extend daily, ensuring that each meal showcases the best ingredients sourced from the Florida Keys.

Adventure and Activities

Grassy Flats Resort provides access to various action-packed water sports, including kiteboarding, eFoiling, and paddleboarding. Kayaks and paddleboards are included with every stay, allowing guests to explore the surrounding ecosystem freely. Biking and other leisurely activities are also available, catering to all levels of adventure seekers.

Artist in Residency Program

The Artists in Residency program allows local artists to showcase their creativity within the Conch House, enriching the cultural atmosphere of the resort. This initiative invites guests to connect with local art and experience the creative spirit of the Florida Keys. The program emphasizes the importance of art in the community, making it a unique aspect of the hotel's offerings.

Highlights

Location: Eco-friendly boutique resort on Grassy Key

Accommodations: Seven room types with oceanfront views

Dining: The Rhum House serving locally caught seafood

Adventure: Action water sports including kiteboarding and eFoiling

Eco-Friendly: Grassy Grown Initiative and Seaweed Composting Program

“Sustainability meets hospitality at this beachfront property; kayaks and paddleboards are complimentary, inviting guests to explore the waters. The zero-waste bar and elimination of single-use plastics underscore a commitment to the environment. I found the adults-only pool particularly appealing-a tranquil escape.”
Hotel logo
Olivia SmithEditor-in-Chief at Cheaphotels
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Select your room type

The hotel provides a selection of rooms—doubles, family rooms, and suites—with perks like free cancellation, breakfast options, and great value deals
Humidor House King Suite Adults Only
Humidor House King Suite Adults Only
2 persons
455 sq. feet 
1 King-size bed
Shower
Heating
room details
Wreckers House Galleon King Suite Adults Only
Wreckers House Galleon King Suite Adults Only
2 persons
500 sq. feet 
1 King-size bed
Shower
Heating
room details
Standard Double Room Adults Only
Standard Double Room Adults Only
2 persons
500 sq. feet 
2 King Size Beds
Shower
Heating
room details
Wreckers House Single King Room Adults Only
Wreckers House Single King Room Adults Only
2 persons
500 sq. feet 
1 King-size bed
Shower
Heating
room details
Click button to see more rooms
Show all rooms
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Room rates & availability calendar

See the best prices and book your dates today!

Amenities & services

Real traveler stories and honest reviews—no glossy ads, just authentic feedback to guide your booking
Facilities: Great
8.9/10Review score

General

  • No smoking on site
  • Wi-Fi
  • Free parking
  • Safe deposit box
  • Express check-in/ -out
  • Concierge desk
  • Pets allowed
  • Rooms/ Facilities for disabled
  • Wheelchair access
  • Lift
  • ATM/Cash machine
  • Coffee shop
  • Fireplace
  • Smoke detectors
  • Fire extinguishers
  • Key card access
  • Key access

Sports & Fitness

  • Wind surfing

Guest Parking

  • Electric kettle
  • Cookware/ Kitchen utensils

Services

  • Housekeeping
  • Welcome drink
  • Happy hour

Dining

  • Restaurant
  • Poolside snack bar

Children

  • Board games

Facilities for people with disabilities

  • Toilet for disabled

Spa & Leisure

  • Saltwater pool
  • Beach umbrellas
  • Sun loungers
  • Aqua park
  • Jacuzzi
  • Pool with view
  • Shallow end

Room features

  • Air conditioning
  • Heating
  • Sitting area
  • Garden furniture
  • Tea and coffee facilities
  • Dining table

Bathroom

  • Free toiletries
  • Sink

Self-catering

  • Electric kettle
  • Cookware/ Kitchen utensils

Media

  • Flat-screen TV

Room decor

  • Parquet floor
Show more

Dining Onsite

Grassy Flats Resort & Beach Club offers an array of delightful dining options that highlight local flavors in stunning surroundings. From elegant fine dining to casual spots infused with the spirit of the Keys, every meal promises an authentic taste of the region.

The Rhum House - fine dining

Caribbean-inspired fine dining
Ambiance
An elegant setting with a tranquil atmosphere, perfect for romantic dinners or special occasions.
Key Offerings
Featuring a concise menu crafted with care, dining here includes a selection of expertly prepared dishes that showcase the region's culinary influences. Open for dinner with an emphasis on sustainability and quality.
Reservation
recommended
17:00 - 21:00 daily

Barrel & Bale

Casual bar with a focus on local brews
Ambiance
A laid-back environment designed for relaxation, ideal for unwinding after a day of exploration.
Key Offerings
With a goal of zero waste, this unique bar highlights local craft beers and artisanal cocktails made from fresh, local ingredients, creating a responsible yet playful drinking experience.
Reservation
not needed
Hours vary

Herbie's

Casual dining with a focus on pub fare
Ambiance
A fun, vibrant space where visitors can relax and socialize.
Key Offerings
Known for delicious brews and crispy fries, Herbie's offers a true taste of casual dining amidst the lively pulse of the Keys.
Reservation
not needed
Hours vary

Bongo's

Garden-fresh casual dining
Ambiance
An inviting oasis surrounded by tropical fruit trees and herb gardens, providing a serene dining experience.
Key Offerings
Focusing on fresh ingredients from the garden, Bongo's delivers vibrant dishes that celebrate local produce, making every meal a refreshing experience.
Reservation
not needed
Hours vary

Grassy Flats Resort & Beach Club Location

58182 Overseas Hwy,Marathon Fl 3305, Marathon, Florida, United States, FL 33050
Map view
58182 Overseas Hwy,Marathon Fl 3305, Marathon, Florida, United States, FL 33050
City landmarks
Landmark
Dolphin Research Center
3100 ft
Bridge
Seven Mile Bridge
4400 ft
Park
Curry Hammock State Park
4400 ft
Landmark
Key Vaca
3300 ft
Landmark
A1A Keys Sport Fishing
4400 ft
Landmark
Brass Monkey Lounge
4400 ft
Landmark
Snoballs Bike Rentals
4400 ft
Island
Grassy Key
5100 ft
Landmark
Keys Cable Park
1.1 mi
Landmark
Sunset Bay Park on Grassy Key
1.1 mi
Landmark
Keys Cable At oTHErside Adventure Park
1.2 mi
Island
Crawl Key
1.8 mi
Landmark
Squirrels Key Camp
1.7 mi
Island
Long Point Key
2.1 mi
Island
Little Crawl Key
2.3 mi
Landmark
L & L First Love Charters
2.7 mi
Landmark
Hawks Cay Boulevard
2.8 mi
Landmark
Duck Key Charters
2.9 mi
Spa Centre
The Calm Waters Spa
3.0 mi
Landmark
Sundance Watersports
2.9 mi
Landmark
Tarpon Time Fishing Charters
2.9 mi
Nearby
Silver Palm Marine
1900 ft
Restaurants
Grassy Key Outpost
200 ft
58152 Overseas Hwy
Hideaway Cafe
2000 ft
57784 Overseas Hwy Rainbow Bend Resort
Explore Marathon
Activities, Dining, and Entertainment Near Grassy Flats Resort & Beach Club
Top Attractions
Activities
Dining
Entertainment
Dolphin Research Center
12 minutes' walk
Dolphin encounters and educational programs highlight this center. Ideal for families, it offers guided tours and interaction sessions.
Seven Mile Bridge
16-minute walk
Iconic bridge boasting stunning ocean views and ideal for scenic walks. Experience sunset vistas for unforgettable memories.
Curry Hammock State Park
16-minute walk
Nature trails and sandy beaches await at this peaceful park. Great for hiking, picnicking, and observing local wildlife.
A1A Keys Sport Fishing
15 minutes' walk
Fishing charters available for thrill-seekers. Perfect for sport fishing enthusiasts, with guided tours offered year-round.
Sundance Watersports
50-minute drive
Jet skiing, paddleboarding, and more make this adventure park a must-see. Rentals available on-site, catering to all skill levels.
Grassy Key Outpost
5 minutes' walk
Casual eatery known for fresh seafood and relaxed atmosphere. Signature dishes include fish tacos and coconut shrimp.
Hideaway Cafe
8 minutes' walk
Cozy setting features local cuisine with a Caribbean twist. Keep an eye out for their seafood specials and vegetarian options.
Brass Monkey Lounge
15 minutes' walk
Local bar offering live music and vibrant nightlife. Perfect spot for cocktails with friends and regular themed nights.
Keys Cable Park
20-minute drive
Water sports park featuring cable wakeboarding and obstacle courses. Fun for families and thrill-seekers of all ages.
Getting around town
City Centre
Marathon15 min  ·  6.2 mi
Airports
Key West International (EYW)136 min  ·  56.1 mi
Bus
Bus stop20 min  ·  8.3 mi
Looking for early-bird discounts?
Get special discounted rates today!
Check Rates
Property information and rules
Check-in
from 16:00-21:00
Check-out
from 07:00-11:00
Guest Parking
Private parking is possible on site for free.
Internet
Wireless internet is available in for free.
Children & extra beds
There are no cots provided in a room. 
Pets
Pets are allowed on request.
Number of rooms:
38

Reviews and Ratings

What past guests shared about their stay
Review score
Based on 858 verified reviews
9.2/10
Perfect
94%
Recommend
Cleanliness
9.1/10
Comfort
9.2/10
Facilities
8.9/10
Free Wi-Fi
8.4/10
Location
9.0/10
Staff
9.4/10
Value for money
8.3/10
Pros
Private access
Friendly staff
Sea view
Spa pool
Free paddleboards
Cons
Dirty condo
Eroded beach
Weak coffee
Road noise
Guest reviews
based on 631 reviews
8.8/10
No reviews yet on our siteUnfortunately, our guests have not yet left any reviews for this hotel, but you can read reviews from Booking.com.
Open reviews
FAQs
About Grassy Flats Resort & Beach Club
What is the check-in and check-out policy at Grassy Flats Resort & Beach Club?
Check-in is from 16:00 and check-out is by 11:00.
Is parking available at Grassy Flats Resort & Beach Club?
Free private parking is available on-site without the need for a reservation.
Does Grassy Flats Resort & Beach Club offer on-site dining options?
The resort features Rhum House dining restaurant and a bar, Barrel & Bale, for guests.
What are the pool facilities at Grassy Flats Resort & Beach Club?
Guests can enjoy two outdoor saltwater pools equipped with sun loungers and umbrellas.
What room amenities are provided at Grassy Flats Resort & Beach Club?
Rooms are equipped with air conditioning, a flat-screen TV, a seating area, and complimentary toiletries.
What nearby attractions are accessible from Grassy Flats Resort & Beach Club?
Nearby attractions include Dolphin Research Center (3 km), Florida Keys Aquarium Encounters (9 km), and Sombrero Beach (7 km).
How far is Grassy Flats Resort & Beach Club from the nearest airport?
The hotel is located 89 km from Key West International Airport.
What services and activities are available at Grassy Flats Resort & Beach Club?
Guests can engage in water sports, bicycle rentals, and enjoy happy hour at the poolside bar.
What type of hotel is Grassy Flats Resort & Beach Club?
This eco-friendly hotel focuses on family-oriented beach experiences and offers waterfront access.

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Check-in
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Check-out
22Jun2026Select date
Rooms and Guests2 Guests, 1 Room
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  • Location
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