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Grassy Flats Resort & Beach Club

2.5 star property
Hotel with 2 outdoor swimming pools, steps from Coco Plum Beach

Choose dates to view prices

Grassy Flats Resort & Beach Club boasts a private beach. Guests enjoy ocean views at The Rhum House restaurant and appreciate the attentive staff. The resort offers activities like kayaking, fishing, and ecotours for those wanting to explore beyond the poolside bar.

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Pet friendly
  • Parking included
  • Free WiFi
  • Air conditioning

Room options

Available filters for rooms
Showing 7 of 7 rooms

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)

Highlights

Furnished balcony or patio
Air conditioning
Kitchen
Full-sized refrigerator/freezer
Dining table
Dishwasher
Flat-screen TV
Hypo-allergenic bedding
  • 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)

Highlights

Furnished balcony or patio
Air conditioning
Kitchen
Full-sized refrigerator/freezer
Dining table
Dishwasher
Flat-screen TV
Hypo-allergenic bedding
  • 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

Highlights

Furnished balcony or patio
Air conditioning
Kitchen
Full-sized refrigerator/freezer
Dining table
Dishwasher
Flat-screen TV
Hypo-allergenic bedding
  • 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)

Highlights

Furnished balcony or patio
Air conditioning
Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Renovated in 2022
Blackout drapes/curtains
Hair dryer
  • 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
(25 reviews)

Highlights

Furnished balcony or patio
Air conditioning
Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Renovated in 2022
Blackout drapes/curtains
Hair dryer
  • 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)

Highlights

Furnished balcony or patio
Air conditioning
Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Renovated in 2022
Blackout drapes/curtains
Deep soaking bathtub
  • 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)

Highlights

Furnished balcony or patio
Air conditioning
Mini-fridge
Flat-screen TV
Hypo-allergenic bedding
Renovated in 2022
Blackout drapes/curtains
Hair dryer
  • Ocean view
  • Sleeps 2
  • 1 King Bed

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About the neighborhood

Map
58182 Overseas Hwy, Marathon, FL, 33050

What's nearby

  • Dolphin Research Center - 17 min walk - 0.9 miles
  • Crawl Key - 2 min drive - 1.5 miles
  • Curry Hammock State Park - 2 min drive - 0.9 miles
  • Keys Cable Park - 4 min drive - 1.5 miles
  • Coco Plum Beach - 11 min drive - 6.6 miles

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
  • ‪Tiki Grill - ‬5 min drive

About this property

Grassy Flats Resort & Beach Club

Hotel remodeled in 2022 and located near Coco Plum Beach
Located close to Curry Hammock State Park, Grassy Flats Resort & Beach Club provides a poolside bar, a firepit, and a bar. Active travelers can enjoy cycling, sailing, and paddleboards at this hotel. The on-site restaurant, The Rhum House, features ocean views and dinner. Enjoy onsite activities like fishing, windsurfing, and kayaking. Guests can connect to free in-room WiFi.
You'll also enjoy perks such as:
  • 2 outdoor pools along with sun loungers and pool umbrellas
  • Free self parking
  • Cooked-to-order breakfast (surcharge), bike rentals, and an electric car charging station
  • Motorized watercraft on site, beach umbrellas, and concierge services
  • Guest reviews speak highly of the helpful staff and first-rate property condition
Room features
All guestrooms at Grassy Flats Resort & Beach Club feature comforts such as air conditioning, in addition to amenities like free WiFi.
More amenities include:
  • Recycling, LED light bulbs, and eco-friendly cleaning products
  • Eco-friendly toiletries and hair dryers
  • 43-inch flat-screen TVs with premium channels
  • Furnished balconies or patios, housekeeping, and electrical adapters/chargers

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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

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

Frequently asked questions

Does Grassy Flats Resort & Beach Club have a pool?

Yes, this property has 2 outdoor pools. Pool access is from 7:00 AM–10:00 PM.

Is Grassy Flats Resort & Beach Club pet-friendly?

Yes, this property allows dogs with a maximum weight of up to 30 lbs per pet. There's a fee of USD 50 per accommodation, per night. Service animals are exempt from fees.

How much is parking?

Self parking is free at this property.

What time is check-in at Grassy Flats Resort & Beach Club?

Check-in start time: 4:00 PM; Check-in end time: 9:00 PM. Late check-in is available during limited hours.

What time is check-out at Grassy Flats Resort & Beach Club?

Check-out is at 11:00 AM. Late check-out is available for a fee (subject to availability).

Where is Grassy Flats Resort & Beach Club located?

Situated in Marathon, this hotel is within 1 mi (2 km) of Coco Plum Beach and Curry Hammock State Park. The Turtle Hospital is 10 mi (16 km) away.

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Reviews

Grassy Flats Resort & Beach Club Reviews

9.4

Exceptional

9.6

Cleanliness

9.2

Location

9.6

Staff & service

9.4

Eco-friendliness

9.4

Property conditions & facilities
Rating 10 - Excellent. 282 out of 357 reviews
Rating 8 - Good. 44 out of 357 reviews
Rating 6 - Okay. 22 out of 357 reviews
Rating 4 - Poor. 5 out of 357 reviews
Rating 2 - Terrible. 4 out of 357 reviews

Reviews

10/10 Excellent

Steven

Liked: Cleanliness, amenities, property conditions & facilities
Beautiful grounds, clean rooms.and nice staff. Great location.
Stayed 3 nights in Dec 2025

10/10 Excellent

Dorothy

Liked: Cleanliness, amenities, property conditions & facilities
Amazing stay, perfect small hotel with lot of activities
Stayed 1 night in Oct 2025

10/10 Excellent

Holly

Liked: Cleanliness, amenities, property conditions & facilities
Great place
Stayed 4 nights in Dec 2025

10/10 Excellent

David

Liked: Cleanliness, property conditions & facilities
Great staff, check in, site tour and dinner in the restaurant.
Stayed 1 night in Nov 2025

10/10 Excellent

Elizabeth

Liked: Amenities
Enjoyed sunrise every day
Stayed 4 nights in Dec 2025

10/10 Excellent

Kevin

Liked: Cleanliness, amenities, property conditions & facilities
Beautiful resort. Great location about midway in the keys. Staff couldn’t be more helpful.
Stayed 4 nights in Nov 2025

10/10 Excellent

Paul

Liked: Cleanliness, amenities, property conditions & facilities
Beautiful location, very nice room, amenities galore, extremely accommodating staff.
Stayed 1 night in Nov 2025

8/10 Good

Roy

Liked: Cleanliness, amenities, property conditions & facilities
Clean room, super hot jacuzzi, great margaritas, and amazing experience at the market. Due to beach clean-up, there was a bit of a foul odor, so didn't sit on balcony much, but great views when we did.
Stayed 2 nights in Dec 2025

10/10 Excellent

Alesia

Liked: Cleanliness, amenities, property conditions & facilities
Clean room. Friendly staff. Good location.
Stayed 4 nights in Nov 2025

10/10 Excellent

Paul

Liked: Cleanliness, amenities, property conditions & facilities
The staff was very helpful and friendly. The room was excellent and the property was very nice.
Stayed 4 nights in Nov 2025

10/10 Excellent

Asta

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Hidden gem. The only regret is that I only had 2 nights here. Definitely coming back.
Stayed 2 nights in Nov 2025

10/10 Excellent

KATHERINE

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The staff is excellent! From check in with Connie to the cleaning staff and restaurant/bar servers. We especially enjoyed the Sunday regae entertainer.
Stayed 2 nights in Nov 2025

8/10 Good

rosemary

Liked: Property conditions & facilities
room clean staff friendly restaurant not opened 2 of 3 day stay and not informed at time of booking.
Stayed 3 nights in Dec 2025

10/10 Excellent

carolyn

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Beautiful!! Gorgeous at night!
Stayed 1 night in Oct 2025

8/10 Good

William

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Everyone was super friendly and helpful. We asked where we could access a microwave and they brought one to the room! Also came super fast to assist with coffee brewer. Only downside was the mattress was way too soft.
Stayed 2 nights in Nov 2025

10/10 Excellent

jason

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

Jose A

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great place. They have an area for families and another separate one for Adult's. Conplementary drink on the tour for the first time. Super clean and comfortable. Snack bar and beverage in the room. We got the suite for extra cost but was a neat idea.
Stayed 2 nights in Nov 2025

10/10 Excellent

Trisha

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

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

10/10 Excellent

Anthony

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

10/10 Excellent

Jennifer

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

10/10 Excellent

Robyn

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

8/10 Good

Carmen

Liked: Cleanliness, property conditions & facilities
Room was clean with a great view. However wish there were more towels available for pool and tub. Only one towel was in room but could not get another when they were wet. Also for the price no complimentary breakfast was surprising. Outdoor bar was nice and good service and food.
Stayed 1 night in Nov 2025

10/10 Excellent

Timothy

Amazing views, the staff was excellent and very friendly. Will definitely be staying here again
Stayed 5 nights in Jun 2025

10/10 Excellent

Falinda

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