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Grassy Flats Resort & Beach Club

2.5 star property

Photo gallery for Grassy Flats Resort & Beach Club

Exterior
Bar (on property)
Beach bar
Deluxe Room, 1 King Bed, Oceanfront
Balcony view

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Bar
  • Pet-friendly
  • Parking included

Explore the area

View map
58182 Overseas Hwy, Marathon, FL, 33050
  • Place, Dolphin Research Center
    ‪17 min walk‬
  • Place, Curry Hammock State Park
    ‪2 min drive‬
  • Place, Coco Plum Beach
    ‪11 min drive‬
  • Airport, Marathon, FL (MTH-Florida Keys Marathon)
    ‪11 min drive‬

Room options

View all photos for Family Suite, 2 Bedrooms

Hypo-allergenic bedding, blackout curtains, iron/ironing board

Family Suite, 2 Bedrooms

8.0 out of 10
Very good
(6 reviews)
  • 2 bedrooms
  • Ocean view
  • Sleeps 4
  • 2 Queen Beds

View all photos for Standard Room, Ocean View - Adults Only

Standard Room, Ocean View - Adults Only

Standard Room, Ocean View - Adults Only

9.8 out of 10
Exceptional
(25 reviews)
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Deluxe Room, 1 King Bed, Oceanfront

Deluxe Room, 1 King Bed, Oceanfront

Deluxe Room, 1 King Bed, Oceanfront

9.6 out of 10
Exceptional
(4 reviews)
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Standard Double Room, Ocean View - Adults Only

Standard Double Room, Ocean View - Adults Only

Standard Double Room, Ocean View - Adults Only

9.6 out of 10
Exceptional
(16 reviews)
  • Ocean view
  • Sleeps 2
  • 2 Queen Beds

View all photos for Family Suite, 2 Bedrooms, Accessible

Hypo-allergenic bedding, blackout curtains, iron/ironing board

Family Suite, 2 Bedrooms, Accessible

10.0 out of 10
Exceptional
(2 reviews)
  • 2 bedrooms
  • Sleeps 4
  • 2 King Beds

View all photos for Luxury Room, 1 King Bed, Ocean View

Luxury Room, 1 King Bed, Ocean View

Luxury Room, 1 King Bed, Ocean View

10.0 out of 10
Exceptional
(2 reviews)
  • Ocean view
  • Sleeps 2
  • 1 King Bed

View all photos for Family Suite, 3 Bedrooms

Hypo-allergenic bedding, blackout curtains, iron/ironing board

Family Suite, 3 Bedrooms

  • 3 bedrooms
  • Ocean view
  • Sleeps 6
  • 1 King Bed and 2 Queen Beds

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About the area

Marathon

Located in Marathon, Grassy Flats Resort & Beach Club is just steps from Coco Plum Beach and a 2-minute drive from Curry Hammock State Park. .This hotel is 10 mi (16 km) from The Turtle Hospital.

What's nearby

  • Dolphin Research Center - 17 min walk - 1.4 km
  • Curry Hammock State Park - 2 min drive - 1.4 km
  • Little Conch Key - 6 min drive - 8.3 km
  • Coco Plum Beach - 11 min drive - 10.6 km
  • Sombrero Beach - 19 min drive - 20.1 km

Getting around

  • Marathon, FL (MTH-Florida Keys Marathon) - 9 min drive

Restaurants

  • ‪Circle K - ‬7 min drive
  • ‪Sparky's Landing Fish and Cocktails - ‬6 min drive
  • ‪The Island Fish Company - ‬6 min drive
  • ‪Circle K - ‬6 min drive
  • ‪Angler and Ale - ‬4 min drive

About this property

Grassy Flats Resort & Beach Club

Hotel with 2 outdoor swimming pools, steps from Coco Plum Beach
Grassy Flats Resort & Beach Club offers 38 accommodations, which are accessible via exterior corridors and feature hair dryers and irons/ironing boards. Rooms open to furnished balconies or patios. 43-inch flat-screen televisions come with premium cable channels.

Guests can surf the web using the complimentary wireless Internet access. Additionally, rooms include complimentary toiletries and blackout drapes/curtains. Hypo-allergenic bedding, change of towels, and change of bedsheets can be requested. Housekeeping is provided on request.

2 outdoor swimming pools are on site.

The recreational activities listed below are available either on site or nearby; fees may apply.

Stay in one of 38 guestrooms featuring flat-screen televisions. Rooms have private furnished balconies or patios. Complimentary wireless internet access keeps you connected, and cable programming is available for your entertainment. Bathrooms have complimentary toiletries and hair dryers.
Dip into one of the 2 outdoor swimming pools or enjoy other recreational amenities, which include bicycles to rent. Additional amenities at this hotel include complimentary wireless internet access, concierge services, and bike storage.
Satisfy your appetite at The Rhum House, a fine-dining restaurant which features a bar/lounge and an ocean view. Wrap up your day with a drink at the poolside bar. Cooked-to-order breakfasts are available daily from 6:00 AM to 11:00 AM for a fee.
Featured amenities include multilingual staff, ATM/banking services, and an elevator. Free self parking is available onsite.
Cooked-to-order breakfasts are available for a surcharge and are served each morning between 6:00 AM and 11:00 AM.
The Rhum House - Overlooking the ocean, this fine-dining restaurant serves dinner only. Guests can enjoy drinks at the bar.

Property amenities

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transport

  • Electric car charging station on site
  • Free self parking on site

Food and drink

  • Daily cooked-to-order breakfast available 6:00 AM to 11:00 AM for a fee: USD 5 to 30 per person
  • A bar/lounge
  • A poolside bar
  • A restaurant

Restaurants on site

  • The Rhum House

Things to do

  • 2 outdoor pools
  • Bicycle rentals
  • Bicycle storage
  • Ecotours
  • Fishing
  • Kayaking
  • Paddleboard
  • Personal motorised watercraft
  • Sailing
  • Water sports equipment
  • Windsurfing

Family friendly

  • 2 outdoor pools
  • Pool gate

Conveniences

  • ATM
  • Limited-hour front desk
  • Water dispenser

Guest services

  • Change of bedsheets (on request)
  • Change of towels on request
  • Concierge services
  • Housekeeping (on request)
  • Multilingual staff

Outdoors

  • Beach loungers
  • Beach towels
  • Beach umbrellas
  • Dock
  • Firepit
  • Outdoor furniture
  • Pool loungers
  • Pool umbrellas

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Lift (91 centimetre wide door)
  • Pool hoist on site
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible path to lift
  • Wheelchair-accessible pool
  • Wheelchair-accessible public bathroom
  • Wheelchair-accessible restaurant

More

  • 3 buildings
  • 3 floors
  • At least 80% lighting from LEDs
  • At least 80% of food locally-sourced
  • At least 80% organic food
  • Biodegradable coffee stirrers available
  • Biodegradable drinking straws available
  • Comprehensive food waste policy
  • Comprehensive recycling policy
  • Eco-friendly cleaning products used
  • Local artist showcase
  • No plastic coffee stirrers
  • No plastic drinking straws
  • No plastic soft drink bottles
  • No plastic water bottles
  • Renovated entire property - March 2022
  • Reusable cups
  • Reusable tableware
  • Smoke-free property
  • Vegan dining options
  • Vegetarian breakfast available
  • Vegetarian dining options
  • Water dispenser usage encouraged

Room amenities

Bedroom

  • Bedsheets provided
  • Blackout drapes
  • Hypo-allergenic bedding

Bathroom

  • Free toiletries
  • Hair dryer
  • Shampoo
  • Soap
  • Toilet paper
  • Towels provided

Entertainment

  • 43-inch flat-screen TV with premium cable channels

More

  • Access via exterior corridors
  • Air conditioning (climate-controlled)
  • Bulk dispensers for toiletries
  • Cleaning products are eco-friendly
  • Eco-friendly toiletries
  • Electrical adapters
  • Energy-saving switches in guestrooms
  • Iron/ironing board
  • LED lighting
  • Recycling
  • Water-efficient showers
  • Water-efficient toilets

Policies

Check-in

Check-in start time: 4:00 PM; Check-in end time: 9:00 PM
Late check-in subject to availability
Minimum check-in age: 21

Check-out

Check-out before 11:00 AM
Late check-out subject to availability
A late check-out fee will be charged

Special check-in instructions

The front desk is open daily from 8:00 AM - 8:00 PM
Front desk staffed during limited hours
If you are planning to arrive after 9:00 PM please contact the property in advance using the information on the booking confirmation

Renovations and closures

The following facilities or services will be unavailable from September 1 2025 to September 30 2025 (dates subject to change):
  • One of the dining venues
The following facilities will be closed during the summer:
  • Bar/Lounge

Access methods

Front desk (limited hours)

Pets

Pets allowed for an extra charge of USD 50 per accommodation, per night
Service animals are welcome, and are exempt from fees
Welcoming dogs only
Up to 30 lbs per pet
Pets cannot be left unattended

Children and extra beds

Children are welcome
Rollaway/extra beds are not available
Cribs (infant beds) are not available

Payment types

Important information

Optional extras

  • Fee for cooked-to-order breakfast: approximately USD 5 to 30 per person
  • Pet fee: USD 50 per accommodation, per night
  • Service animals are exempt from fees
  • Late check-out is available for a fee (subject to availability)

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
The name on the credit card used at check-in to pay for incidentals must be the primary name on the guestroom reservation
Guests must contact this property in advance to reserve cribs/infant beds
This property accepts credit cards, debit cards, and cash
Cashless transactions are available
This property uses eco-friendly cleaning products
Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, and a first aid kit
This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room

We should mention

Pool access available from 7:00 AM to 10:00 PM
Only registered guests are allowed in the guestrooms
Some facilities may have restricted access; guests can contact the property for details using the contact information on the booking confirmation
This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly)

Property is also known as

Grassy Flats & Club Marathon
Grassy Flats Resort & Beach Club Marathon
Grassy Flats Resort & Beach Club Hotel Marathon
Grassy Flats Resort & Beach Club Hotel
Grassy Flats & Club Marathon
Grassy Flats Resort & Beach Club Hotel
Grassy Flats Resort & Beach Club Marathon
Grassy Flats Resort & Beach Club Hotel Marathon

Grassy Flats Resort & Beach Club Reviews

Reviews

9.4

Exceptional

Rating 10 - Excellent. 250 out of 316 reviews
Rating 8 - Good. 35 out of 316 reviews
Rating 6 - Okay. 22 out of 316 reviews
Rating 4 - Poor. 5 out of 316 reviews
Rating 2 - Terrible. 4 out of 316 reviews

9.6/10

Cleanliness

9.6/10

Staff & service

9.0/10

Amenities

9.4/10

Property conditions & facilities

9.4/10

Eco-friendliness

Reviews

10/10 Excellent

Bobbi

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We had an amazing stay! The property was beautiful. The breeze was amazing! We loved the option between a hot tub and pool and the face that you had a couple of restaurants on site was amazing! I love to run and there is a bike and walking trail right across from the resort. We had an amazing time. The only thing I would change would be sometimes the smell from the ocean not being up...other than that it was an amazing stay!
Stayed 6 nights in Jun 2025

10/10 Excellent

Todd, nixa

Travelled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Loved the quiet adult pool. So relaxing
Stayed 5 nights in Jun 2025

10/10 Excellent

Jack

Stayed 2 nights in Jun 2025

10/10 Excellent

Thomas

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Excellent

We enjoyed our stay in Grassy Flats. The staff were very helpful when our hire car broke down!
Stayed 4 nights in May 2025

10/10 Excellent

Andrea

Stayed 4 nights in Jun 2025

10/10 Excellent

Sonja L

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Absolutely beautiful!! Room was great, views where amazing. Definitely plan on staying here again!
Stayed 1 night in Jun 2025

10/10 Excellent

Stephen

Stayed 2 nights in Jun 2025

10/10 Excellent

Cindy

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We were on our honeymoon. We had a very nice relaxing trip. The pool was clean, the view was great, and the service excellent. The location was ideal. It was a short drive to everything we wanted to do. All the lady’s at the front desk were so helpful and gave us must see spots. But we were able to come back to a beautiful and calm room. We stayed on the top floor and had a great view of the ocean.
Stayed 4 nights in May 2025

10/10 Excellent

Carmen

Travelled with group
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Beautiful, great staff, quiet with an amazing view. Loved the adult pool option. The room was beautiful and the bathroom was amazing. Loved the staff! The perfect place to escape.
Stayed 1 night in May 2025

10/10 Excellent

Eileen

Liked: Cleanliness, property conditions & facilities
The front desk staff was so helpful with my early check in. I also got to meet the main owner of the resort (Wilma) who was very welcoming with her purring and head bumps🐱🐈, she definitely made my stay 100 times better! The rooms were spacious, clean, and comfortable with a beautiful view. I’ll be returning the next time I visit the Florida keys!
Stayed 1 night in May 2025

10/10 Excellent

Frank

Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 2 nights in May 2025

10/10 Excellent

Cliff

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 2 nights in May 2025

10/10 Excellent

Robyn

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Wonderful place to stay!!
Stayed 7 nights in Apr 2025

6/10 Okay

Wendy

Travelled with partner
Hard to find the main office to check in. Local store limited on supplies. Older property which wasn’t bad. Not much beach. Room was big and nice. No coffee supplies so make sure you bring your own.
Stayed 2 nights in Apr 2025

10/10 Excellent

barry

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Beautiful location and plenty of thought put in to comfort. Only stayed one night but wished I'd booked more.
Stayed 1 night in Apr 2025

4/10 Poor

Tammy

Travelled with partner
Liked: Cleanliness
The property was nice, but there were some disappointments: 1. Someone should be at the front desk at night when something is needed. 2. Restaurant was extremely overpriced and not very good.
Stayed 1 night in Apr 2025

10/10 Excellent

Stephanie

Travelled with family
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Great family vaca!

What a great stay we had! Our first time in the keys and it was fantastic! We booked 2 nights initially but after spending time at the tiki bar with Jeff while waiting for our room and watching the kite surfers, we booked a 3rd night. The front desk staff was very accommodating and kind and Joe the tiki bar bartender made great tropical drinks and played incredible music. We are already plotting our next vacation here!
Stayed 2 nights in Apr 2025

10/10 Excellent

Cathy

Stayed 6 nights in Apr 2025

10/10 Excellent

Tatiana

Liked: Cleanliness, staff & service, property conditions & facilities
Must stay hidden gem!
Stayed 1 night in Apr 2025

10/10 Excellent

Gary

Liked: Cleanliness, staff & service, room comfort
Stayed 2 nights in Apr 2025

10/10 Excellent

Yvonne M

Travelled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Family owned resort. The staff was fantastic. The place was beautiful. The beach was gorgeous. Husband and I came down for the week on a getaway. He scuba dived three days and I laid on the beach which felt like my own little island. The room was very clean and comfortable. Will definitely be back again.
Stayed 4 nights in Apr 2025

6/10 Okay

Casey

Liked: Cleanliness

Did not meet expectations

The overall resort is clean. The beds were uncomfortable, too soft. There is a beach, however the beach is less than desirable. The pictures on their website and hotels.com are not what we experienced. There were tracks from equipment on the beach. There are limited beach chairs on the beach and surrounding the adult pool. The kayaks we wanted to use were broken and had a limited supply of other equipment. The hours for use of the activities equipment are limited, stopping at 5pm. No hours posted for the pool, however we’re told not to be used after sunset despite being an adults only pool. The tiki bar closes at 6, however there are other places for food and drink, but not appropriate to wear pool clothing to. The sunrise was beautiful both mornings we were there.
Stayed 2 nights in Apr 2025

10/10 Excellent

John

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Clean and comfortable

Nice property. Rooms very clean and comfortable. Restaurants nice
Stayed 2 nights in Apr 2025

10/10 Excellent

Constance

Liked: Cleanliness, property conditions & facilities
Stayed 2 nights in Apr 2025

10/10 Excellent

JAMES

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 2 nights in Apr 2025