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From536US$ /night
Check-in
14Feb2026Select date
Check-out
15Feb2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

Property overview

58182 Overseas Hwy,Marathon Fl 3305, Marathon, Florida, United States, FL 33050
-
Near Sombrero Beach
Great
8.8
9.4
/10
4.7
/5

Grassy Flats Rooms

Grassy Flats Resort & Beach Club, located 95 km from Key West International, offers multiple room types across three buildings. Accommodations include the Wreckers House (adults only), Humidor House, and Conch House. Options range from king rooms to three-bedroom suites, each with complimentary Wi-Fi and parking. Select rooms feature private balconies overlooking the Atlantic Ocean, lush gardens, the pool, or private beach. Suites include a full kitchen, living area, and multiple bathrooms. Standard rooms offer a choice of one king bed or two queen beds.

Onsite Dining Options

Grassy Flats Resort features several dining options. The Rhum House offers locally caught seafood and responsibly sourced ingredients. The Present is open daily for drinks and lunch from 10 a.m. to 6 p.m. Barrel & Bale is an onsite bar committed to becoming a zero-waste establishment. Herbie's is also nearby. All gardening on the property is done without herbicides and pesticides.

Activities and Amenities

Guests can enjoy various activities, including kiteboarding, eFoiling, sailing, wakeboarding, biking, paddle boarding, and kayaking. The resort features a private beach, lush gardens, and multiple balconies with ocean views. Paddling equipment, such as kayaks and paddle boards, is included with each stay. The Dolphin Research Center is located in Grassy Key.

Location and Access

Grassy Flats Resort & Beach Club is located in Grassy Key. Nearby landmarks include Hawks Cay Boulevard (4 km), Seven Mile Bridge (1 km), Key Vaca (1 km), Curry Hammock State Park (1 km), Keys Cable Park (2 km), Little Crawl Key (4 km), and Squirrels Key Camp (3 km). The resort is also near The Lagoon on Grassy Key, Dolphin Research Center, Florida Keys Aquarium Encounters, the Turtle Hospital, Curry Hammock State Park, and Coco Plum Beach.

Services

Grassy Flats Resort provides amenities such as free parking and private garden areas. Guests can visit the onsite Barrel & Bale bar, featuring waterfront views and a variety of drinks. The resort also implements eco-friendly programs, including an aeroponic system for gardening and a seaweed composting program.

“This beachfront property distinguishes itself with sustainable practices and a commitment to environmental responsibility. I appreciate the thoughtful touches, such as eliminating single-use plastics. Guests can enjoy complimentary kayaks and paddleboards, plus easy access to nearby attractions like the Dolphin Research Center.”
Hotel logo
David MillerEditor, UsFlorida
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Choose your preferred room

The property features double rooms, family rooms, and suites, often including breakfast, free cancellation, and special offers
Studio Ocean View Adults Only
2 persons
455 sq. feet 
1 King-size bed
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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Calendar of room availability and rates

See current availability and pricing for your dates

Facilities

Amenities are designed to ensure comfort and memorable stays

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 with a focus on local flavors and unique settings. From fine dining to laid-back bites, each venue showcases culinary creativity while embracing the vibrant spirit of the Florida Keys.

The Rhum House - fine dining

Fine dining
Ambiance
An elegant setting that combines sophistication with a warm atmosphere, perfect for intimate dinners or special celebrations.
Key Offerings
A concise menu crafted with care, featuring exquisite dishes made with love, highlighting local ingredients and flavors. Enjoy a refined dinner experience, accompanied by thoughtfully curated selections.
Reservation
Recommended
Dinner only, from 5:00 PM to 9:00 PM daily

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 Highlights
Top Attractions
Activities
Dining
Entertainment
Dolphin Research Center
12 minutes' walk
Home to trained dolphins, this center offers educational programs and opportunities for interaction with these amazing marine mammals.
Seven Mile Bridge
5-minute drive
Famed for its stunning views, this iconic bridge connects islands and offers scenic spots for photos and sunset watching.
Curry Hammock State Park
5-minute drive
A paradise for nature lovers, featuring beautiful beaches, picnic areas, and trails for hiking and biking through lush landscapes.
Key Vaca
13 minutes' walk
A lovely spot with scenic waterfront views, perfect for a relaxing stroll, enjoying the natural beauty, or having a peaceful picnic.
Dolphin Encounters
12 minutes' walk
Engaging activities at the Dolphin Research Center allow personal interactions with dolphins, ideal for families and thrill-seekers.
Kayaking at Curry Hammock State Park
5-minute drive
Rent kayaks for a serene paddle through mangroves and enjoy a tranquil escape surrounded by Florida's unique wildlife.
Grassy Key Outpost
5 minutes' walk
Casual dining with a menu featuring local seafood favorites and burgers in a relaxed atmosphere, perfect for families.
Hideaway Cafe
8 minutes' walk
Charming eatery offering fresh seafood and Caribbean-inspired dishes, known for its cozy vibe and stunning sunset views.
Keys Cable Park
5-minute drive
Adventure awaits with wakeboarding and water sports, perfect for adrenaline junkies and ideal for a fun-filled day on the water.
Sunset Bay Park
20 minutes' walk
A beautiful park featuring picnic areas and scenic views, ideal for family gatherings, events, or simply relaxing with nature.
Local transportation
City Centre
Marathon15 min  ·  6.2 mi
Airports
Key West International Airport (EYW)136 min  ·  56.0 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
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 from 16:00 and check-out is by 11:00.
Is parking available at Grassy Flats Resort & Beach Club?
Free private parking is available on-site without a reservation.
What dining options are available at Grassy Flats Resort & Beach Club?
The hotel features an on-site restaurant, Rhum House, and a bar, Barrel & Bale.
What room amenities does Grassy Flats Resort & Beach Club provide?
Guest rooms include air conditioning, a flat-screen TV with satellite channels, a seating area, and free toiletries.
Are there recreational activities offered at Grassy Flats Resort & Beach Club?
The hotel provides access to beach activities, a swimming pool, bicycle rentals, and water sports facilities.
Which nearby attractions can guests visit from Grassy Flats Resort & Beach Club?
Nearby attractions include Dolphin Research Center (2 km), Florida Keys Aquarium Encounters (9 km), and Sombrero Beach (10 km).
What types of pools are available at Grassy Flats Resort & Beach Club?
The hotel features a saltwater pool that is heated and open year-round.
Is there any internet access available at Grassy Flats Resort & Beach Club?
Free Wi-Fi is available throughout the property.
How far is Grassy Flats Resort & Beach Club from Key West International Airport?
The hotel is 95 km from Key West International Airport, which is around a 60-minute drive.
What are the highlights of Grassy Flats Resort & Beach Club?
Highlights include complimentary use of watersports equipment, multiple private balconies with ocean views, and a zero-waste bar.
What are the room types available at Grassy Flats Resort & Beach Club?
The hotel offers standard rooms with one king or two queen beds, as well as spacious three-bedroom suites.

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