Grassy Flats Resort & Beach Club Marathon Amenities photoGrassy Flats Resort & Beach Club Marathon Exterior photoGrassy Flats Resort & Beach Club Marathon Exterior photo

Grassy Flats Resort & Beach Club, Marathon

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From$266 /night
Check-in
24Jul
Check-out
25Jul
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

58182 Overseas Hwy,Marathon Fl 3305, Marathon, FL 33050
-
Close to Sombrero Beach
Great
8.8
9.4
/10
4.8
4.8
/5

Grassy Flats Resort & Beach Club - An eco-friendly boutique resort with oceanfront accommodations, sustainable dining, and water sports activities

Located on Grassy Key, this family-owned Marathon hotel emphasizes sustainable hospitality with zero-waste initiatives and organic gardening practices. The three-star Grassy Flats Resort features spacious accommodations across three distinct buildings: the adults-only Wreckers House, the Humidor House, and the Conch House. Room options range from king and double queen rooms to three-bedroom suites, each equipped with private balconies offering ocean, pool, or garden views. The property houses The Rhum House restaurant, serving locally-caught seafood from 5 PM to 9 PM daily, and the Barrel & Bale bar operating from 10 AM to 6 PM. Recreational amenities include complimentary kayaks, paddleboards, and access to water sports activities. The resort maintains an aeroponic garden system that grows herbs, vegetables, and tropical fruits for its restaurants. Situated 59 miles from Key West International Airport, Grassy Flats Resort & Beach Club provides proximity to attractions like the Dolphin Research Center, Florida Keys Aquarium Encounters, and Sombrero Beach.

Pros

Zero-waste bar initiative and sustainable dining practices

On-site aeroponic garden system produces fresh ingredients

Artist-in-residence program showcases local creativity

Complimentary water sports equipment included with stay

Cons

59 miles distance from Key West International Airport

No single-use amenities or vending machines available

“Grassy Flats Resort & Beach Club cultivates a laid-back atmosphere with its friendly staff and thoughtful amenities. The adults-only areas provide a tranquil escape, nicely complementing the resort's commitment to sustainability. I especially appreciate the focus on local artistry and the zero-waste bar-touches that elevate the guest experience.”
Hotel logo
Isabella MooreSenior Editorial Director at Petfriendlyhotels

Select your room type

Cozy rooms, spacious suites, and family-friendly homes, all with flexible cancellation policies & special deals
  • Humidor House King Suite Adults Only
    2 persons
    42 sq. feet
    1 King-size bed
    Air conditioning
    Balcony
  • Wreckers House Galleon King Suite Adults Only
    2 persons
    46 sq. feet
    1 King-size bed
    Air conditioning
    Balcony
  • Standard Double Room Adults Only
    2 persons
    46 sq. feet
    2 King Size Beds
    Air conditioning
    Balcony
Show all rooms

Price and room availability calendar

Check availability and rates for your selected dates!
July 2026 - July 2027
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Check-in/ Check-out

Facilities

Enjoy premium amenities for a relaxing stay with your pet
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
Show more

Dining Onsite

At Grassy Flats Resort & Beach Club, dining options embrace local flavors and heartfelt culinary traditions. Guests can indulge in an array of delightful experiences, from refined evening meals to laid-back bites, all set against the backdrop of this tropical paradise.
  • The Rhum House - fine dining

    Contemporary island cuisine
    Ambiance
    Elegant and intimate, adorned with local art and soft lighting, perfect for romantic evenings
    Key Offerings
    Signature dishes expertly crafted with a focus on local ingredients, elevating classic flavors; guests can enjoy carefully curated evening menus
    Reservation
    Recommended for dinner
    Dinner only, 5:00 PM - 9:00 PM daily
  • Barrel & Bale

    Innovative bar fare with a sustainability focus
    Ambiance
    Casual yet chic, featuring rustic decor and a vibrant atmosphere, ideal for social gatherings
    Key Offerings
    Craft cocktails and small plates, with an emphasis on creating a zero-waste environment; a unique selection of local brews enhances the experience
    Reservation
    Not needed
    Hours vary; please check locally
  • Herbie's

    Casual American eatery
    Ambiance
    Relaxed and friendly, with a cozy vibe, perfect for a casual meal after a day of adventure
    Key Offerings
    Classic burgers and crispy fries, along with refreshing drinks; an ideal spot for those seeking a quick and tasty bite
    Reservation
    Not needed
    Hours vary; please check locally
  • Bongo's

    Tropical-inspired bites and cocktails
    Ambiance
    An oasis brimming with vibrant fruit trees and aromatic herb gardens, offering a leisurely dining experience
    Key Offerings
    Refreshing tropical dishes and handcrafted cocktails, where the essence of the Keys shines through each creation; outdoor seating enhances the charm
    Reservation
    Not needed
    Hours vary; please check locally

Location

58182 Overseas Hwy,Marathon Fl 3305, Marathon, FL 33050
Explore Marathon
Nearby Highlights
  • Top Attractions
  • Activities
  • Dining
  • Entertainment
Dolphin Research Center
Dolphin Research Center
12 minutes' walk
Educational programs focus on dolphin interactions and conservation. Unique behind-the-scenes tours are available.
Curry Hammock State Park
Curry Hammock State Park
16 minutes' walk
A stunning natural area perfect for kayaking, hiking, and birdwatching with beachfront access.
Seven Mile Bridge
Seven Mile Bridge
16 minutes' walk
Iconic bridge with breathtaking views; ideal for walking and cycling along its path.
Kayaking at Curry Hammock State Park
16 minutes' walk
Kayak rentals available for scenic paddling through mangroves and along beautiful shorelines.
Keys Cable Park
20 minutes' walk
Wakeboarding and cable park facility offering thrills for water sports lovers, with rentals on-site.
Grassy Key Outpost
5 minutes' walk
Casual spot with seafood and key lime pie. Family-friendly atmosphere; outdoor seating available.
Hideaway Cafe
8 minutes' walk
Charming ambiance with a seafood-focused menu. Reservations recommended, gluten-free options available.
Sunset Bay Park
20 minutes' walk
Beautiful park for sunset viewing with picnic areas and occasional live music events.
Sundance Watersports
50 minutes' drive
Offers thrilling water sports experiences, including jet skiing and parasailing in the clear waters.
Getting around <br />
  • City Centre
    Marathon 15 min  ·  6.2 mi
  • Airports
    Key West International (EYW) 136 min  ·  56.1 mi
  • Bus
    Bus stop 20 min  ·  8.3 mi
Looking for exclusive early booking discounts?
Unlock special rates for your next adventure with your pet 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 the entire hotel 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 875 verified reviews
9.2 /10
Perfect
93 %
Recommend
Breakfast
8.7/10
Cleanliness
9.1/10
Comfort
9.2/10
Facilities
8.9/10
Free WiFi
8.4/10
Location
9.0/10
Paid Wi-Fi
8.1/10
Staff
9.4/10
Value for money
8.3/10
Pros
Comfortable bed
Free kayaks
Helpful staff
Cons
No hot water
Guest reviews
based on 607 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 are the check-in and check-out times at Grassy Flats Resort & Beach Club?
Check-in is from 16:00 and check-out is by 11:00.
How far is Grassy Flats Resort & Beach Club from Key West International Airport?
The hotel is located 95 km from Key West International Airport.
What dining options are available at Grassy Flats Resort & Beach Club?
The hotel features the Rhum House restaurant and an on-site bar, Barrel & Bale.
Is there a swimming pool at Grassy Flats Resort & Beach Club?
The hotel offers a heated saltwater pool that is open year-round.
What amenities are provided in the rooms at Grassy Flats Resort & Beach Club?
Rooms include air conditioning, a flat-screen TV, a seating area, and complimentary toiletries.
What recreational activities can guests enjoy at Grassy Flats Resort & Beach Club?
Guests can enjoy beach access, water sports facilities, and bicycle rentals.
How far is Grassy Flats Resort & Beach Club from the Dolphin Research Center?
The hotel is located about 15 km from the Dolphin Research Center.
Does Grassy Flats Resort & Beach Club offer free parking?
Yes, free private parking is available on-site without a reservation.
What languages are spoken by the staff at Grassy Flats Resort & Beach Club?
The staff speaks English.
What nearby attractions can guests visit from Grassy Flats Resort & Beach Club?
Nearby attractions include Florida Keys Aquarium Encounters (9 km) and Sombrero Beach (6 km).
What eco-friendly practices does Grassy Flats Resort & Beach Club implement?
The hotel practices include eliminating single-use plastics and herbi-cides and pesticides in their gardening.
Does Grassy Flats Resort & Beach Club provide internet access?
Free Wi-Fi is available throughout the property.

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