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From536US$ /night
Check-in
15Dec2025Select date
Check-out
16Dec2025Select date
Rooms and Guests2 Guests, 1 Room
Key details

About Resort

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

Grassy Flats Resort & Beach Club, a 3-star Marathon hotel with an 8.8/10 rating on Booking.com, focuses on eco-friendly practices and sustainable hospitality. Guests can enjoy beach access, action water sports, and a variety of dining options at this family-owned boutique resort.

Rooms & Amenities

Grassy Flats Resort & Beach Club features various spacious accommodations, including Galleon Suites and Three Bedroom Suites, equipped with full kitchens, private balconies, and plush bedding. Each suite and room offers modern amenities like complimentary Wi-Fi and stunning ocean views.

Dining Options

Dining options include The Rhum House, showcasing locally sourced seafood in an upscale setting, and Barrel & Bale, which emphasizes craft cocktails and casual fare. Both venues prioritize sustainability and feature a unique menu curated from local ingredients.

Leisure & Activities

Grassy Flats offers various leisure activities such as kayaking and paddleboarding, with equipment provided for guests. Nearby attractions include Curry Hammock State Park, known for its hiking trails and water sports, and Sombrero Beach, famed for its sandy shores.

Services & Location

The resort promotes eco-friendly programs including zero-waste initiatives and organic gardening practices on-site. Grassy Flats Resort & Beach Club is situated approximately 59 miles from Key West International Airport, providing easy access for travelers.

Must-do experiences

  • Visit the Dolphin Research Center for an unforgettable interaction.
  • Savor the fresh seafood at Keys Fisheries for lunch by the water.
  • Kayak through the mangroves at Crane Point Hammock for scenic views.
  • Take a sunset cruise with Islander Watersports for stunning sights.
  • Explore the history at the Florida Keys Heritage Center in town.
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Select your room type

The hotel offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Studio Ocean View Adults Only
2 persons
42 m² 
1 King-size bed
Shower
Heating
Deluxe King Studio Adults Only
2 persons
46 m² 
1 King-size bed
Shower
Heating
Standard Double Room Adults Only
2 persons
46 m² 
2 King Size Beds
Shower
Heating
King Studio Adults Only
2 persons
46 m² 
1 King-size bed
Shower
Heating
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Price and Room Availability Calendar

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Facilities

The hotel offers amenities for your comfortable stay and unforgettable experiences

General

  • No smoking on site
  • Free Wi-Fi
  • 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
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Dining Onsite

Grassy Flats Resort & Beach Club offers a delightful array of dining experiences, each with its own unique flair. From fine dining surrounded by elegant decor to casual spots steeped in local charm, each venue invites guests to savor the flavors of the Keys infused with a touch of homegrown warmth.

The Rhum House - fine dining

Fine Dining
Ambiance
Sophisticated setting with tasteful decor, perfect for intimate dinners.
Key Offerings
An exquisite menu featuring carefully crafted dishes made from local ingredients, ideal for a romantic evening.
Reservation
Recommended to ensure a table.
Open for dinner from 5:00 PM to 9:00 PM, daily.

Barrel & Bale

Bar and Lounge
Ambiance
Casual and laid-back, focused on sustainability with a relaxed vibe.
Key Offerings
Aiming to be a zero-waste bar, featuring creative cocktails and shareable bites.
Reservation
Not needed.
Hours vary; primarily open for evening hours.

Herbie's

Casual Dining
Ambiance
Charming and friendly, perfect for a quick bite during beach outings.
Key Offerings
Renowned for its refreshing craft beers and classic fries, offering a taste of local brews.
Reservation
Not needed.
Hours vary; primarily open for lunch and dinner.

Bongo's

Tropical Cuisine
Ambiance
An enchanting setting amidst tropical trees and herb gardens, inviting a relaxed dining experience.
Key Offerings
Famous for its fresh tropical flavors, with a menu that highlights local produce and ingredients.
Reservation
Not needed.
Hours vary; open for lunch and dinner.

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
Nearby
58901 Overseas Hwy
Dolphin Research Center
920 m
Key Vaca
1.0 km
Restaurants
Grassy Key Outpost
40 m
58152 Overseas Hwy
Hideaway Cafe
600 m
57784 Overseas Hwy Rainbow Bend Resort
Explore Marathon
Explore Local Experiences
Top Attractions
Activities
Dining
Entertainment
Dolphin Research Center
Dolphin Research Center
12 minutes' walk
Dolphin Research Center hosts interactive programs with dolphins. Learn about marine life and enjoy daily educational presentations.
Seven Mile Bridge
Seven Mile Bridge
16 minutes' walk
Seven Mile Bridge offers stunning views and is a great spot for photos. It's a renowned symbol of the Florida Keys.
Curry Hammock State Park
Curry Hammock State Park
16 minutes' walk
Curry Hammock State Park features hiking trails, beachfront access, and opportunities for kayaking in tranquil waters.
Sunset Bay Park on Grassy Key
20 minutes' walk
Sunset Bay Park provides scenic views and picnic spots. It's perfect for enjoying sunsets and spotting wildlife.
Keys Cable Park
20 minutes' walk
Keys Cable Park offers wakeboarding and paddleboarding. Rentals available for thrill-seekers looking for adventure.
Curry Hammock State Park
Curry Hammock State Park
16 minutes' walk
Curry Hammock Park offers relaxation and nature trails, perfect for hiking or simply lounging on the beach.
Grassy Key Outpost
5 minutes' walk
Grassy Key Outpost offers casual dining with a focus on local seafood. Enjoy fresh dishes in a laid-back atmosphere.
Hideaway Cafe
Hideaway Cafe
8 minutes' walk
Hideaway Cafe serves American cuisine with a coastal twist. Known for its inviting ambiance and delicious brunch options.
Sundance Watersports
50 minutes' drive
Sundance Watersports offers water activities like jet skiing and snorkeling with rental services and guided tours.
Seven Mile Bridge
Seven Mile Bridge
16 minutes' walk
Seven Mile Bridge provides a scenic backdrop for evening strolls. It's a favorite spot for catching breathtaking sunsets.
Getting around
City Centre
Marathon15 min  ·  10.0 km
Airports
Key West International Airport (EYW)136 min  ·  90.1 km
Bus
Bus stop20 min  ·  13.3 km

Reviews and Ratings

Feedback from previous guests about their experience.
Guest reviews
5.0/10
based on 5 reviews
8.8
8.8/10 based on 715 reviews
Jessica
United Kingdom, January  2025
8.8/10

I had a wonderful stay at Grassy Flats Resort! The beautiful grounds and engaging activities really enhanced my vacation experience. The rooms were spacious and clean, providing a relaxing retreat after a day of adventure. The friendly atmosphere among staff and fellow guests made it feel like home. However, I wish there were more dining options available on-site for convenience.

Rooms
9.0
The rooms were spacious and very clean, perfect for unwinding after a busy day.
Service
10.0
The staff went above and beyond to ensure everything was perfect, especially with their personalized assistance.
Location
9.0
Grassy Flats has a central location in the Florida Keys, making it easy to explore nearby attractions.
Dining
7.0
While the tiki bar offered a great atmosphere, I found the dining options a bit limited for my taste.
Facilities
9.0
The variety of amenities, including multiple pools and engaging activities, really enhanced my stay here.
Jack
United Kingdom, December  2024
8.8/10

I had a wonderful experience at Grassy Flats Resort! The grounds were beautifully landscaped, creating a tropical paradise. The rooms were stylishly spacious and impeccably clean. The staff truly went above and beyond to make my stay special. However, the dining options could use a bit of variety. Overall, the value for what I received was exceptional, especially considering the great amenities offered.

Rooms
9.0
The rooms were spacious, clean, and provided beautiful views overlooking the pool and sea.
Service
10.0
The service was fantastic; the staff was welcoming and attentive throughout my stay.
Location
9.0
The location was convenient, making it easy to explore the nearby attractions in the Florida Keys.
Dining
7.0
While the tiki bar had a vibrant atmosphere, I'd say the dining options lacked some variety.
Facilities
9.0
The resort had a variety of amenities, including well-maintained pools and a range of engaging activities.
Emma
United Kingdom, November  2024
8.8/10

I had an absolutely delightful experience at Grassy Flats Resort. The staff truly went out of their way to make my stay special, and the resort itself is surrounded by stunning, well-maintained grounds. The spacious rooms were a relaxing escape, and the variety of engaging activities kept me entertained throughout my visit. However, I did wish there were more dining options available on-site, as I found the choices somewhat limited at times.

Rooms
9.0
The rooms were spacious, clean, and provided a wonderful retreat overlooking both the pool and the ocean.
Service
10.0
The service from the staff was outstanding; everyone was incredibly welcoming and attentive to our needs.
Location
9.0
The resort's central location in the Florida Keys allowed easy access to local attractions, making it a perfect base for exploration.
Dining
7.0
While the dining options were decent, I felt the variety could be improved to elevate the culinary experience.
Facilities
9.0
The resort featured a great range of facilities including clean pool areas and engaging activities like kayaking and paddleboarding.
Nicholas
United Kingdom, October  2024
8.8/10

My stay at Grassy Flats was absolutely delightful! The beautiful grounds and eco-friendly initiatives made me feel connected to nature, while the charming ambiance fostered a welcoming community feel. However, I did find the dining options a bit limited and wish there were more variety. Overall, I felt that the value for my stay was exceptional, especially given the range of engaging activities available.

Rooms
9.0
The accommodations were spacious and provided a relaxing retreat with stunning views of the ocean.
Service
10.0
The staff was incredibly attentive and friendly, always going above and beyond to ensure my needs were met.
Location
9.0
The resort's central location in the Florida Keys made it super easy to explore nearby attractions.
Dining
7.0
While the tiki bar had a great vibe, I would've loved more variety in the dining options.
Facilities
9.0
The variety of amenities, particularly the adult-only and family pool areas, were well-maintained and enjoyable.
Matthew
United Kingdom, October  2024
8.8/10

I had a wonderful time at Grassy Flats Resort! The beautifully landscaped grounds and the amazing ocean views made my stay extra special. The staff was genuinely friendly and attentive, creating a welcoming atmosphere that felt like home. While the dining options were nice, I wished for a bit more variety. Overall, the resort was a fantastic value for the experience offered, making it a perfect getaway destination.

Rooms
9.0
The spacious rooms were immaculate and provided a relaxing retreat with stunning views of the pool and ocean.
Service
10.0
The service was fantastic, with staff going above and beyond to ensure I had everything I needed.
Location
9.0
The location was very convenient, allowing easy access to local attractions and creating a sense of being right in the heart of the Florida Keys.
Dining
7.0
While I enjoyed my meals, I felt that the dining options could use a bit more variety to fully satisfy every palate.
Facilities
9.0
The resort had a wide variety of amenities, from engaging activities like paddleboarding to relaxing pool areas that enhanced my stay.
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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
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
FAQs
About Grassy Flats Resort & Beach Club
What are the check-in and check-out times at Grassy Flats Resort & Beach Club?
Check-in is at 16:00 and check-out is at 11:00.
Is parking available at Grassy Flats Resort & Beach Club?
Free private parking is available on-site without the need for a reservation.
What are some restaurants located near Grassy Flats Resort & Beach Club?
Nearby dining options include Herbie's and the Lagoon Saloon Surf Shoppe, both less than 3 km away.
What dining options are available on-site at Grassy Flats Resort & Beach Club?
The hotel offers Rhum House dining and also features a bar, Barrel & Bale.
Which pool facilities can guests access at Grassy Flats Resort & Beach Club?
Guests can enjoy a saltwater pool, heated pool, and poolside bar with a view.
What room amenities are available at Grassy Flats Resort & Beach Club?
Rooms feature air conditioning, a flat-screen TV, a refrigerator, and some include kitchen facilities.
What recreational activities can guests participate in at Grassy Flats Resort & Beach Club?
Guests have access to beach activities, water sports, bicycle rentals, and windsurfing.
What attractions are located near Grassy Flats Resort & Beach Club?
Attractions such as the Dolphin Research Center and Florida Keys Aquarium Encounters are within 9 km.
Does Grassy Flats Resort & Beach Club offer Wi-Fi access?
Free Wi-Fi is available throughout the property.
What type of hotel is Grassy Flats Resort & Beach Club?
The hotel is an eco-friendly, family-oriented beachfront resort.
What unique features does Grassy Flats Resort & Beach Club offer?
The resort incorporates sustainable practices and offers complimentary kayaks and paddleboards for guests.

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