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Grassy Flats Resort & Beach Club

2.5 star property

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Photo gallery for Grassy Flats Resort & Beach Club

Exterior
Property video
Bar (on property)
Balcony view
Beach bar

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Pet friendly
  • Parking included
  • Free WiFi
  • Air conditioning
$440
includes taxes & fees
Jan 7 - Jan 8

Explore the area

View in a map
58182 Overseas Hwy, Marathon, FL, 33050
  • Place, Dolphin Research Center
    ‪17 min walk‬
  • Place, Crawl Key
    ‪2 min drive‬
  • Place, Curry Hammock State Park
    ‪2 min drive‬
  • Airport, Marathon, FL (MTH-Florida Keys Marathon)
    ‪16 min drive‬

Room options

View all photos for Family Suite, 2 Bedrooms

Hypo-allergenic bedding, blackout drapes, iron/ironing board, free WiFi

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 Family Suite, 2 Bedrooms, Accessible

Hypo-allergenic bedding, blackout drapes, iron/ironing board, free WiFi

Family Suite, 2 Bedrooms, Accessible

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

View all photos for Family Suite, 3 Bedrooms

Hypo-allergenic bedding, blackout drapes, iron/ironing board, free WiFi

Family Suite, 3 Bedrooms

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

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

Standard Double Room, Ocean View - Adults Only | Hypo-allergenic bedding, blackout drapes, iron/ironing board, free WiFi

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 Standard Room, Ocean View - Adults Only

Standard Room, Ocean View - Adults Only | Hypo-allergenic bedding, blackout drapes, iron/ironing board, free WiFi

Standard Room, Ocean View - Adults Only

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

View all photos for Luxury Room, 1 King Bed, Ocean View - Adults Only

Luxury Room, 1 King Bed, Ocean View - Adults Only | Hypo-allergenic bedding, blackout drapes, iron/ironing board, free WiFi

Luxury Room, 1 King Bed, Ocean View - Adults Only

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

View all photos for Deluxe Room, 1 King Bed, Oceanfront - Adults Only

Deluxe Room, 1 King Bed, Oceanfront - Adults Only | Hypo-allergenic bedding, blackout drapes, iron/ironing board, free WiFi

Deluxe Room, 1 King Bed, Oceanfront - Adults Only

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

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About this property

Grassy Flats Resort & Beach Club

Marathon hotel steps from Coco Plum Beach
Along with 2 outdoor pools, this smoke-free hotel has a restaurant and a bar/lounge. Free WiFi in public areas and free self parking are also provided. Additionally, a poolside bar, concierge services, and ATM/banking services are onsite. Housekeeping is available on request.
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.

Grassy Flats Resort & Beach Club features 2 outdoor swimming pools. The hotel offers a restaurant. Guests can unwind with a drink at one of the hotel's bars, which include a poolside bar and a bar/lounge. Public areas are equipped with complimentary wireless Internet access.

This Marathon hotel also offers multilingual staff, concierge services, and an ATM. Complimentary self parking is available on site, along with a car charging station. A total renovation of this property was completed in March 2022.

Grassy Flats Resort & Beach Club is a smoke-free property.

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 transportation

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

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 motorized 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.
  • Elevator (36 inch wide door)
  • Pool hoist on site
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible pool
  • Wheelchair-accessible public washroom
  • 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
  • Smoking not allowed
  • 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
Information provided by the property may be translated using automated translation tools

Renovations and closures

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

Property 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. 291 out of 366 reviews
Rating 8 - Good. 44 out of 366 reviews
Rating 6 - Okay. 22 out of 366 reviews
Rating 4 - Poor. 5 out of 366 reviews
Rating 2 - Terrible. 4 out of 366 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

Rolando

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
The place is beautiful and very relaxing the staff very nice and accommodating the only thing that needs updating is the mattresses not very comfortable other than that is a hidden gem
Stayed 2 nights in Oct 2025

10/10 Excellent

Pamela

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Really nice & clean resort. Amazing views! Great service & enjoyed the kayaking. We’ll be back again to visit!
Stayed 1 night in Oct 2025

10/10 Excellent

Kelly, Lake Oswego

Stayed 2 nights in Sep 2025

10/10 Excellent

Trisha

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Staff was extremely helpful and friendly. The resort felt secluded even though it was tucked away in the middle of everything. Our room was clean and there were lots of options for activities!
Stayed 4 nights in Sep 2025

10/10 Excellent

Luciano

Traveled with pets, Traveled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The stay and the service were excellent. The room was spacious and very comfortable, making the experience truly enjoyable. All the amenities are top-notch and deserve the highest rating. Highly recommended.
Stayed 2 nights in Aug 2025

8/10 Good

BRETT

Traveled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The only thing we were disappointed about was the smell from the seaweed which there wasn’t anything they could do about that, but it reeked.
Stayed 1 night in Sep 2025

10/10 Excellent

jason, Hamilton

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
This property is beautiful. The staff was so nice. We enjoyed our stay very much!
Stayed 4 nights in Sep 2025

10/10 Excellent

Jarett

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Great place to stay. 3 night getaway with my wife and loved it. Staff is very friendly!
Stayed 3 nights in Sep 2025

10/10 Excellent

Alexandra

Stayed 2 nights in Aug 2025

10/10 Excellent

John

Stayed 3 nights in Sep 2025

10/10 Excellent

Victoria

Stayed 2 nights in Aug 2025

10/10 Excellent

Anthony

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Staff was very attentive and available.
Stayed 3 nights in Aug 2025

6/10 Okay

Enrico, Poughkeepsie

Stayed 3 nights in Aug 2025

10/10 Excellent

Carlos, West Palm Beach

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We had an amazing experience. The staff was very friendly. The restaurant on site the rum bar was out of this world. We also had a delicious breakfast in the market. We will be back !!!
Stayed 2 nights in Aug 2025

10/10 Excellent

Laura

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The staff were friendly and very helpful. The room was beautiful, clean, and spacious. The view from our room was amazing. The resort is right on the water and offers a serene and tropical ambiance. Would highly recommend!
Stayed 3 nights in Aug 2025

10/10 Excellent

Angela

Traveled with group
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 2 nights in Aug 2025

10/10 Excellent

Jennifer

Traveled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Staff was friendly and accommodating. Pool area was nice and relaxing.
Stayed 2 nights in Aug 2025

4/10 Poor

Lauren

Traveled with family
Disliked: Cleanliness, amenities, property conditions & facilities
The smell was very disapponiting i know its out of the control of the hotel. But it was hard to enjoy the outdoors. As for the hotel it had a very musky smell and i had to switch rooms. They did put me in a bigger room and it smelled better however was older looking needs work and updating. I did not recieve silver benefits all at.
Stayed 2 nights in Aug 2025

10/10 Excellent

Scott

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

Paradise in Paradise.

From check in, to the pool bar, to BB at the outside cabana sports area, the staff was awesome. Location is great, even during lobster mini season. Everything you could want or need you can do right there at the resort. Room was super clean and everything was just nice and relaxing. Could not recommend this place more, if you are looking for paradise in paradise.
Stayed 3 nights in Jul 2025

10/10 Excellent

Marcos

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

8/10 Good

Alisha

Traveled with family
Liked: Cleanliness, staff & service, amenities
Nice quiet stay. Pools were nice. Beach is advertised but not really usable for swimming, snorkeling, etc. The bathtub faucet didn’t work and our air conditioner wasn’t functioning properly - it was always 75-76 degrees inside, which made for uncomfortable sleep. We were told maintenance would come, but they never did. Ceiling fans would have been helpful. Beds were just okay.
Stayed 3 nights in Jul 2025

10/10 Excellent

Eduardo

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 1 night in Jul 2025

10/10 Excellent

Michelle

Stayed 2 nights in Jul 2025

10/10 Excellent

Falinda

Traveled with group
Liked: Cleanliness, staff & service, property conditions & facilities
Quiet and relaxing atmosphere. With wonderful staff.
Stayed 4 nights in Jul 2025

4/10 Poor

Deborah

Traveled with partner
Liked: Cleanliness
Disliked: Staff & service, amenities
The rooms are beautiful. Kudos to the interior designer. However, the restaurants and bars were closed. Only lukewarm water in the showers. Our a/c broke and we had to change rooms. No room cleaning or fresh towels provided. Receptionist not friendly or inviting. Beach full of seaweed with a smell that permeated the hotel (not the hotels fault) but not pleasant for guests just the same. It was our second visit. We won't be going back.
Stayed 2 nights in Jul 2025