Grassy Flats Resort & Beach Club, Marathon ∞ Discover spa retreats, reviews & deals for 2025

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About Resort

58182 Overseas Hwy,Marathon Fl 3305, Marathon, Florida, United States, FL 33050

“The hotel's beachfront location offered a perfect backdrop for sunrise views and easy access to water activities.”view full review

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.

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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

Max:

2 persons

455 sq. feet

Shower

Heating

room details

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Deluxe King Studio Adults Only

Max:

2 persons

500 sq. feet

Shower

Heating

room details

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Standard Double Room Adults Only

Max:

2 persons

500 sq. feet

Shower

Heating

room details

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Price and Room Availability Calendar

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Getting around

Explore a range of transportation options for your spa getaway

City Centre

Marathon 6.2 mi

Airports

Key West International (EYW) 56.0 mi

Bus

Bus stop 8.3 mi

Facilities

The hotel offers amenities for your comfortable stay and unforgettable experiences

Spacious Suite Bliss

“The suite we stayed in was incredibly spacious, featuring a large bathroom and a huge shower that easily accommodated both of us comfortably.” view full review

Very nice Dining Experience

“The on-site restaurant offered excellent meals, especially the breakfast, which was a good start to our day with unique and flavorful options.” view full review

Accessible Amenities

“Though not mentioned often, the layout of the resort provided easy access to all facilities, ensuring a comfortable experience for everyone.” view full review

Fully Stocked Kitchen

“Our suite's kitchen was fully equipped, allowing us to enjoy cooking and dining in, which made for a cozy and personalized dining experience.” view full review

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

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

Island

Grassy Key

5100 ft

Landmark

Keys Cable Park

1.1 mi

Landmark

Sunset Bay Park on Grassy Key

1.1 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

Hawks Cay Boulevard

2.8 mi

Landmark

Sundance Watersports

2.9 mi

Spa Centre

The Calm Waters Spa

3.0 mi

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

Reviews and Ratings

Feedback from previous guests about their experience.

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.