Grassy Flats Resort & Beach Club Marathon Exterior photoGrassy Flats Resort & Beach Club Marathon Exterior photoGrassy Flats Resort & Beach Club Marathon People photo
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From480US$ /night
Check-in
19Apr2026Select date
Check-out
20Apr2026Select 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
4.7
/5

Location

Grassy Flats Resort & Beach Club is situated on Grassy Key, Florida, featuring direct access to pristine sandy beaches and the breathtaking waters of the Florida Keys. The hotel's commitment to sustainable hospitality minimizes environmental impact while enhancing the natural beauty of its surroundings. Guests can explore various water sports and recreational activities, taking full advantage of the unique ecosystem in the area.

Accommodation Options

Grassy Flats offers a diversified range of accommodations, including Galleon Suites, Wreckers House, and Conch House, catering to groups of different sizes. Each suite features modern amenities, private balconies with water views, and unique design elements reflecting the area's historical charm. The hotel also has family-friendly suites that promote comfort and convenience for all guests.

Dining Experience

The on-site Rhum House serves fine dining with an emphasis on locally caught seafood and regionally sourced ingredients, providing guests a taste of the Florida Keys. Hand-crafted cocktails complement the menu, inviting guests to indulge in refreshing beverages while enjoying ocean views. Thoughtfully sourced wines from family-owned wineries are also available, ensuring each dining experience supports sustainable practices.

Sustainable Practices

Grassy Flats operates with a strong commitment to sustainability, implementing initiatives like the Grassy Grown program that includes growing produce for the restaurant on-site. The hotel also employs a zero-waste bar initiative and a seaweed composting program to enhance its eco-friendly operations. Eliminating single-use plastics and harmful materials fosters a cleaner environment for both guests and the delicate ecosystem.

Activities and Amenities

The resort provides numerous action water sports, including kiteboarding, eFoiling, and paddle boarding, ensuring guests of all ages find engaging activities to enjoy. Guests have access to complimentary kayaks and paddle boards as part of their stay, allowing exploration of the area's unique waterways. Additionally, the hotel hosts an Artists in Residency program, showcasing local talents and adding a cultural touch to the experience.

Highlights

Location: Direct access to pristine sandy beaches

Accommodation: Galleon Suites with ocean views

Dining: The Rhum House serving locally caught seafood

Sustainability: Grassy Grown program for organic produce

Activities: Kiteboarding and eFoiling available

Art: Artists in Residency program showcasing local work

Must-do experiences

  • Kayak through the mangroves at the nearby Florida Keys Kayak Tours.
  • Savor fresh stone crab claws at Keys Fisheries on the waterfront.
  • Visit the Turtle Hospital to learn about sea turtle rehabilitation.
  • Stroll the picturesque streets of Marathon's historic Pigeon Key.
  • Catch a sunset at Sombrero Beach for breathtaking ocean views.
View all

Select your room type

Grassy Flats Resort & Beach Club 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
455 sq. feet 
1 King-size bed
Ocean view
Shower
Heating
Deluxe King Studio Adults Only
2 persons
500 sq. feet 
1 King-size bed
Shower
Heating
Standard Double Room Adults Only
2 persons
500 sq. feet 
2 King Size Beds
Shower
Heating
King Studio Adults Only
2 persons
500 sq. feet 
1 King-size bed
Shower
Heating
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Facilities

Grassy Flats Resort & Beach Club offers amenities for your comfortable stay and unforgettable experiences
Facilities: Great
8.9/10Review score

General

  • No smoking on site
  • 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 features an array of delightful dining experiences that celebrate local flavors and culinary creativity. From fine dining to casual fare, each venue offers a unique atmosphere and memorable meals amidst breathtaking surroundings.

The Rhum House - fine dining

Fine dining with a focus on locally inspired dishes
Ambiance
Elegant setting with a refined atmosphere, perfect for an intimate evening
Key Offerings
A concise menu crafted with love highlights seasonal offerings; guests are invited to savor exquisite entrees from land and sea. Enjoy the serene ambiance for dinner while soaking in the unique flavors of the region.
Reservation
Recommended
Dinner service from 5:00 PM to 9:00 PM daily

Barrel & Bale

Casual bar with a zero-waste concept
Ambiance
Eclectic space combining sustainability and comfort, a casual spot for relaxation
Key Offerings
Innovative cocktails crafted from local ingredients and a commitment to a zero-waste philosophy provide an enjoyable drink selection. The focus is on community and environmental responsibility, making it a perfect stop for casual evenings.
Reservation
Not needed
Open for dinner; specific hours not detailed

Herbie's

Casual fare specializing in snacks and beverages
Ambiance
Charming and laid-back spot, ideal for a quick bite or refreshing drink
Key Offerings
Famous for its fries and a variety of craft beers, Herbie's is the go-to destination for guests seeking comfort food in a relaxed atmosphere. Perfect for a casual gathering after a day of adventure.
Reservation
Not needed
Hours vary, details not specified

Bongo's

Casual dining set among tropical gardens
Ambiance
An oasis filled with fruit trees and herb gardens, perfect for leisurely meals
Key Offerings
A menu that highlights fresh, tropical flavors accompanied by a tranquil outdoor setting, Bongo's invites guests to savor the essence of the Keys while enjoying a leisurely meal amid nature's beauty.
Reservation
Not needed
Hours vary, details not specified

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
Nearby
58901 Overseas Hwy
Dolphin Research Center
3100 ft
Key Vaca
3300 ft
Restaurants
Grassy Key Outpost
200 ft
58152 Overseas Hwy
Hideaway Cafe
2000 ft
57784 Overseas Hwy Rainbow Bend Resort
Explore Marathon
Local Activities & Dining Near Grassy Flats Resort
Top Attractions
Activities
Dining
Entertainment
Dolphin Research Center
Dolphin Research Center
12 minutes' walk
Interactive dolphin experiences and educational programs highlight this conservation-focused facility.
Seven Mile Bridge
Seven Mile Bridge
16 minutes' walk
Iconic bridge offering stunning views and a great spot for walking, biking, and photography.
Curry Hammock State Park
Curry Hammock State Park
16 minutes' walk
Beautiful park with hiking trails, picnic areas, and beach access for outdoor enthusiasts.
Grassy Key
Grassy Key
19 minutes' walk
A quiet natural area perfect for kayaking and enjoying the serene coastline.
Keys Cable Park
20 minutes' walk
Thrilling water sports like wakeboarding and paddleboarding. Rentals available on-site.
The Calm Waters Spa
The Calm Waters Spa
50 minutes' drive
Relaxing spa with a full range of services including facials and massages. Ideal for unwinding.
Grassy Key Outpost
5 minutes' walk
Casual eatery serving fresh seafood and island specialties in a laid-back atmosphere.
Hideaway Cafe
Hideaway Cafe
8 minutes' walk
Beachfront restaurant offering a romantic dining experience with ocean views and seafood dishes.
Local Bars and Live Music Venues
10 minutes' drive
Vibrant nightlife scene featuring live music and casual bars perfect for evening relaxation.
Sunset Bay Park
20 minutes' walk
Scenic park with picnic areas and beautiful sunset views, suitable for families and all ages.
Getting around
City Centre
Marathon15 min  ·  6.2 mi
Airports
Key West International (EYW)136 min  ·  56.1 mi
Bus
Bus stop20 min  ·  8.3 mi
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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
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

Feedback about Grassy Flats Resort & Beach Club from previous guests about their experience.
Review score
Based on 463 verified reviews
8.9/10
Great
92%
Recommend
Cleanliness
9.2/10
Comfort
9.2/10
Facilities
8.9/10
Free Wi-Fi
8.4/10
Location
9.0/10
Staff
9.5/10
Value for money
8.3/10
Guest reviews
based on 672 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.
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FAQs
About Grassy Flats Resort & Beach Club
What are the check-in and check-out times at Grassy Flats Resort & Beach Club?
Check-in starts at 16:00 and check-out is by 11:00.
What nearby attractions are accessible from Grassy Flats Resort & Beach Club?
Nearby attractions include the Dolphin Research Center (3 km), Florida Keys Aquarium Encounters (9 km), and Curry Hammock State Park Beach (6 km).
What dining options are offered at Grassy Flats Resort & Beach Club?
The resort features an on-site restaurant, Rhum House, and a bar called Barrel & Bale, which offers a variety of cocktails and dining options.
What amenities are included in the rooms at Grassy Flats Resort & Beach Club?
Rooms are equipped with air conditioning, a flat-screen TV with cable channels, a refrigerator, free toiletries, and some feature private balconies.
What is the distance from Grassy Flats Resort & Beach Club to Key West International Airport?
The resort is located 89 km from Key West International Airport.
Is there Wi-Fi available at Grassy Flats Resort & Beach Club?
Free Wi-Fi is available throughout the property.
What are some nearby restaurants to Grassy Flats Resort & Beach Club?
Nearby dining options include Herbie's Bar & Chowder House, Bongo's, and the Lagoon Saloon, all within 10 km.

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Check-in
19Apr2026Select date
Check-out
20Apr2026Select date
Rooms and Guests2 Guests, 1 Room