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From536US$ /night
Check-in
01Dec2025Select date
Check-out
02Dec2025Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

58182 Overseas Hwy,Marathon Fl 3305, Marathon, Florida, United States, FL 33050
-
Close to Sombrero Beach
Perfect
8.8
9.5
/10
4.8
/5

Location

Grassy Flats Resort & Beach Club is located on Grassy Key, providing direct access to the scenic beauty of the Florida Keys. This family-owned resort emphasizes sustainable hospitality while offering guests an opportunity to experience the unique local ecosystem. Nearby attractions include a range of water sports activities and exploration of the surrounding natural environments.

Sustainability Initiatives

The hotel operates with a strong commitment to sustainability, eliminating single-use plastics and harmful materials from its practices. The Grassy Grown Initiative emphasizes growing produce on-site, including Grassy Key bananas and herbs for use in meals and drinks. Additionally, a Seaweed Composting Program utilizes seaweed from beach raking to enrich organic gardens.

Dining Options

Dining at Grassy Flats is diverse and unique, highlighted by the Rhum House, which features locally caught seafood and responsibly sourced ingredients. Guests can enjoy hand-crafted cocktails made from garden-grown items at the resort's bar, which aims for a zero-waste initiative. Thoughtfully sourced wines from family-owned wineries complement the culinary offerings throughout the resort.

Accommodations

Grassy Flats offers seven room types, including the Galleon Suites and Wreckers House, catering to various guest preferences. The accommodations allow for stunning ocean views and include amenities like private balconies and full kitchens, making them suitable for both relaxation and extended stays. Adult-only options are available in the Wreckers House, ensuring a peaceful atmosphere.

Activities and Amenities

Guests at Grassy Flats can engage in various water sports such as kiteboarding, eFoiling, and paddleboarding, all of which are accessible as part of their stay. Kayaks and paddle boards are included for exploring the local ecosystem. The resort also hosts an Artists in Residency program, allowing local artists to showcase their work on-site.

Highlights

Location: Beach access on Grassy Key

Sustainability: Commitment to eco-friendly practices

Dining: Rhum House with locally caught seafood

Activities: Water sports and paddleboarding access

Accommodations: Galleon Suites and Wreckers House

Must-do experiences

  • Visit the Dolphin Research Center for an unforgettable marine experience.
  • Savor a slice of Key Lime Pie at Marathon Key's famous Knaus Berry Farm.
  • Explore the hidden gem of Sombrero Beach for sun and serene waters.
  • Check out the Florida Keys Aquarium Encounters for interactive exhibits.
  • Enjoy fresh seafood at Keys Fisheries and try the lobster Reuben.
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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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Getting around

A list of all available modes of transport

City Centre
Marathon 10.0 km
Airports
Key West International (EYW) 90.1 km
Bus
Bus stop 13.3 km

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 dining experience, featuring a fine dining establishment and casual options that embrace the flavors of the Florida Keys. Guests can relish carefully curated menus in welcoming settings, perfect for cozy dinners or lively gatherings.

The Rhum House - fine dining

Caribbean-inspired fine dining
Ambiance
Elegant and serene atmosphere, ideal for an intimate evening
Key Offerings
Savor exquisite dishes that showcase local ingredients, paired with a curated selection of wines. The setting invites guests to unwind as they enjoy beautifully presented meals against a backdrop of warm lighting.
Reservation
recommended
Dinner service from 5 PM to 9 PM, daily.

Barrel & Bale

Casual bar fare and craft cocktails
Ambiance
Vibrant and eco-conscious bar atmosphere, focused on sustainability
Key Offerings
Experience creative cocktails crafted with local ingredients, alongside a menu aimed at becoming zero-waste. The atmosphere encourages mingling and enjoying local brews while enjoying a relaxed evening.
Reservation
not needed
Hours vary.

Herbie's

Casual pub-style dining
Ambiance
Laid-back setting suitable for a quick bite or leisurely meal
Key Offerings
Indulge in a variety of flavorful brews and crispy fries. It's the perfect spot for guests looking to unwind after a day of exploration while enjoying a friendly vibe.
Reservation
not needed
Hours vary.

Bongo's

Tropical cuisine with fresh produce
Ambiance
Oasis-like setting surrounded by tropical fruit trees and herb gardens
Key Offerings
Savor fresh, vibrant flavors emanating from a menu that highlights local produce. The lush environment enhances the sensory experience, making it a delightful stop for a relaxing meal outdoors.
Reservation
not needed
Hours vary.

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
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Questions of the users
About Grassy Flats Resort & Beach Club
What distinguishes the Conch House from the Wreckers House in terms of views from a King Studio balcony? Are third-floor rooms available to request?
10 November 2023
All accommodations are located on the oceanside, so no direct Gulf or sunset views are available. However, both Conch House and Wreckers House feature balconies overlooking the pool and the Atlantic.
Are any rooms at this resort positioned directly on the beach?
15 October 2023
Every room offers beachfront access, providing easy enjoyment of the sandy shoreline.
Is the beach area suitable for swimming, and what type of beach is it?
18 October 2023
The beach is sandy and shallow, making it a suitable spot for swimming. Kayaks and paddleboards are also provided for those looking to explore the water further.
Is live music featured at the resort, and if so, how can updates be found?
20 October 2023
Live music events occur occasionally for special occasions. Following the resort's social media channels is a great way to stay informed about upcoming performances.
What happens in the event of a hurricane impacting a scheduled stay?
22 October 2023
Stays can be rescheduled if a hurricane situation arises, providing peace of mind for guests.
Is there a hot tub or jacuzzi available for outdoor use?
25 October 2023
Yes, an outdoor hot tub is provided in the Adults Only pool area for relaxation.
What are the operating hours for the pool and tiki bar?
28 October 2023
The pool is open from sunrise to sunset, with the tiki bar operating until 18:00 and the restaurant bar serving until 22:00.
As a smoke-free property, how far is the designated smoking area from guest rooms?
1 November 2023
A smoking area is available near the beach and dock, just a short walk from the rooms, ensuring it is discreetly separated from other guests.
Are there any additional fees associated with bringing a dog and where can pets roam on the property?
5 November 2023
Dogs are welcome for a fee of $50 per night per pet. They are allowed on the beach and throughout the property, though not in the pool area.
Do accommodations include a microwave and fridge?
8 November 2023
Rooms feature mini fridges, although microwaves are not available. Full kitchens are included in 2- and 3-bedroom suites.
Is it possible to book a three-bedroom suite for a family of four, and is there enough space?
12 November 2023
Three-bedroom suites are available and can comfortably accommodate larger families or groups. If booking online is challenging, a call for assistance is encouraged.
Are there any hidden fees like resort or parking charges, and is breakfast available?
14 November 2023
There are no additional fees for resort services, parking, or Wi-Fi. An excellent breakfast is served daily on-site from 07:00 to 11:00.
Are there any age restrictions for guests in the Adults Only area?
17 November 2023
The Adults Only pool and building welcome guests aged 21 and older, providing a tranquil environment for adult travelers.
Can guests freely walk along the beach during their stay?
19 November 2023
Guests are welcome to stroll along the beach and also can explore a nearby trail located across the street from the resort.
Check-in
01Dec2025Select date
Check-out
02Dec2025Select date
Rooms and Guests2 Guests, 1 Room