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Grassy Flats Resort & Beach Club

4.0 star property
4-star hotel near Coco Plum Beach

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Photo gallery for Grassy Flats Resort & Beach Club

Balcony view
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Deluxe Room, 1 King Bed, Oceanfront - Adults Only | Beach/ocean view
Beach bar
Sun loungers, beach umbrellas, beach towels, windsurfing

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Pet friendly
  • Parking included
  • Free WiFi

Explore the area

View in a map
58182 Overseas Hwy, Marathon, FL, 33050
  • Place, Dolphin Research Center
    ‪19 min walk‬
  • Place, Curry Hammock State Park
    ‪1 min drive‬
  • Place, Crawl Key
    ‪2 min drive‬
  • Airport, Marathon, FL (MTH-Florida Keys Marathon)
    ‪10 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)
  • Ocean view
  • 2 bedrooms
  • Sleeps 4
  • 2 Queen Beds
  • Free WiFi

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)
  • Garden view
  • 2 bedrooms
  • Sleeps 4
  • 2 King Beds
  • Free WiFi

View all photos for Family Suite, 3 Bedrooms

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

Family Suite, 3 Bedrooms

10.0 out of 10
Exceptional
(1 review)
  • Ocean view
  • 3 bedrooms
  • Sleeps 6
  • 1 King Bed and 2 Queen Beds
  • Free WiFi

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
(17 reviews)
  • Ocean view
  • 1 bedroom
  • Sleeps 2
  • 2 Queen Beds
  • Free WiFi

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

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

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
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

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
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

About the neighborhood

Marathon

Oceanside stay.You'll be within half a mile (1 km) of Coco Plum Beach and 2 miles (3 km) of Curry Hammock State Park with a stay here. The Turtle Hospital is 10 mi (16 km) away.

What's nearby

  • Dolphin Research Center - 19 min walk - 1.1 miles
  • Curry Hammock State Park - 1 min drive - 1.1 miles
  • Keys Cable Park - 1 min drive - 1.5 miles
  • Crawl Key - 2 min drive - 1.5 miles
  • Sombrero Beach - 16 min drive - 13.1 miles

Getting around

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

Restaurants

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

About this property

Grassy Flats Resort & Beach Club

4-star hotel near Coco Plum Beach
As a guest of Grassy Flats Resort & Beach Club, you'll find 2 outdoor swimming pools, a hot tub, and a sauna. There's a restaurant on site. You can enjoy a drink at one of the bars, which include a poolside bar and a bar/lounge. WiFi is free in public spaces.

Barbecue grills, multilingual staff, and concierge services are also featured at Grassy Flats Resort & Beach Club. Free self parking is available. A complete renovation of Grassy Flats Resort & Beach Club was completed in March 2022.

This 4-star Marathon hotel is smoke free.

  • 38 guestrooms or units
  • 3 levels
  • 3 buildings
  • Beach lounge chairs
  • Towels for the beach
  • Umbrellas for the beach
  • Poolside lounge chairs
  • Umbrellas for the pool
  • Charging station for electric cars
  • Breakfast available (surcharge)
  • Front desk (limited hours)
  • Staff is multilingual
  • Concierge
  • BBQ grill(s)
  • ATM
  • Elevator
  • No smoking on site
  • Water dispenser
  • Bar or lounge
  • Bar by the pool
  • Dining venue
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 daily.

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Isla Bella Beach Resort & Spa
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  • Pool
  • Spa
  • Pet friendly
  • Free WiFi
4.6 out of 5, Wonderful, 1,171 reviews
$257 nightly
The price is $289
Jul 19 - Jul 20
Total with taxes and fees
Isla Bella Beach Resort & Spa

Property amenities

Family friendly

  • 2 outdoor pools
  • Children's games
  • Pool gate

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
  • Wheelchair-accessible parking and van parking available

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

Things to do

  • 2 outdoor pools
  • Bicycle rentals
  • Bicycle storage
  • Books
  • Canoeing
  • Fishing
  • Hot tub
  • Kayaking
  • Paddleboard
  • Sailing
  • Sauna
  • Water sports equipment
  • Windsurfing

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • 2 accessible parking spaces
  • Elevator (36 inch wide door)
  • Pool hoist on site
  • Stair-free path to entrance
  • Visual alarms in hallways
  • Well-lit path to entrance
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible parking
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible pool
  • Wheelchair-accessible public washroom
  • Wheelchair-accessible restaurant
  • Wheelchair-accessible van parking

Room amenities

Entertainment

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

Bedroom

  • Bedsheets provided
  • Blackout drapes
  • Hypo-allergenic bedding

Bathroom

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

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
Guests will receive an email within 24 hours before arrival with check-in instructions; 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: USD 50 per accommodation, per night
  • Only dogs are allowed
  • Weight limit: 30 lbs per pet
  • Pets cannot be left unattended
  • Certain rooms only
  • You can request a pet-friendly room by reaching out to the property at the number on the booking confirmation
  • Service animals are exempt from fees

Children and extra beds

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

Property payment types

Important information

Fees

Guests will be asked to pay the following charges at the property:

  • Resort fee: USD 48 per accommodation, per night
The resort fee includes:
  • Additional inclusions
  • Beach access
  • Beach loungers
  • Beach towels
  • Bicycle storage
  • Housekeeping
  • In-room bottled water
  • In-room coffee
  • Lending library access
  • Pool access
  • Spa access
  • Hot tub access

We've listed all charges provided to us by the property.

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

  • 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)

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

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
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
Charges for extra guests may apply and vary according to property policy.
A cash deposit, credit card, or debit card for incidental charges and government-issued photo identification may be required upon check-in.
Special requests are subject to availability at the time of check-in. Special requests can't be guaranteed and may incur additional charges.
    This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession. 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. 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 Visa, Mastercard, American Express, Discover, debit cards, and cash.
    For guests' safety, the property includes a carbon monoxide detector, a fire extinguisher, a smoke detector, and a first aid kit in each accommodation. Cashless payment methods are available for all transactions.

We should mention

  • Pool access available from 7:00 AM to 10:00 PM.
  • Registered guests are the only ones allowed to be in guestrooms.
  • Certain facilities might have restricted access. For details, you can contact the property at the number on the booking confirmation.
  • Pets are welcome in specific rooms only, which can be requested by contacting the property directly at the number on your booking confirmation (please see the Fees section for related charges).
  • 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

How close is Grassy Flats Resort & Beach Club to the airport?

Grassy Flats Resort & Beach Club is 6.7 mi (9-min drive) away from the Marathon, FL (MTH-Florida Keys Marathon) airport, the closest popular airport to the property.

How much does it cost to stay at Grassy Flats Resort & Beach Club?

As of Jun 18, 2026, prices found for a 1-night stay for 2 adults at Grassy Flats Resort & Beach Club on Jun 20, 2026 start from $270, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

Does Grassy Flats Resort & Beach Club have an airport shuttle?

Airport shuttle services are not available at Grassy Flats Resort & Beach Club.

How close is Grassy Flats Resort & Beach Club to the beach?

This hotel is a short 1-minute walk from Coco Plum Beach and 10-minute walk from Sunset Park Beach. Don't forget your sunscreen!

Does Grassy Flats Resort & Beach Club offer free breakfast?

Free breakfast isn’t provided at Grassy Flats Resort & Beach Club, but cooked-to-order breakfast is offered for a fee of between USD 5 and 30 per person. It's available every day from 6:00 AM to 11:00 AM.

Is there a casino at Grassy Flats Resort & Beach Club?

No, there is no casino at this hotel.

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.

Is there free parking at Grassy Flats Resort & Beach Club?

This hotel offers free self parking.

Does Grassy Flats Resort & Beach Club have a pool?

Grassy Flats Resort & Beach Club features 2 outdoor pools. Guests can enjoy pool access from 7:00 AM to 10:00 PM.

Does Grassy Flats Resort & Beach Club have a restaurant?

Grassy Flats Resort & Beach Club is home to The Rhum House, which features local and international cuisine and ocean views.

Does Grassy Flats Resort & Beach Club have a spa?

There are no spa services available at this hotel.

How close is Grassy Flats Resort & Beach Club to downtown Marathon?

Grassy Flats Resort & Beach Club is 8.5 mi away from Marathon.

Grassy Flats Resort & Beach Club Reviews

Reviews

9.4

Exceptional

Rating 10 - Excellent. 364 out of 460 reviews
Rating 8 - Good. 61 out of 460 reviews
Rating 6 - Okay. 25 out of 460 reviews
Rating 4 - Poor. 6 out of 460 reviews
Rating 2 - Terrible. 4 out of 460 reviews

9.6/10

Cleanliness

9.6/10

Staff & service

9.0/10

Amenities

9.4/10

Property conditions & facilities

Reviews

Verified

8/10 Good

DEBORAH LEE

Liked: Cleanliness, staff & service, property conditions & facilities
Disliked: Amenities
Yes the view was nice, the hotel staff was nice and the room was clean
View from room
Nice balcony with two chairs and table
Can’t see ocean from laying in bed
Cute bathroom
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

KAREN

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Every single part of our stay at Grassy Flats was 5/5! Staff, room, ocean view, pool, dining, market, beach, etc. highly recommend!
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Kristine

Liked: Cleanliness
Friendly staff, great view from room, pool fine, many areas to lounge, “ store” nice and handy and fair priced.
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

SUSAN

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Beautiful property
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Jeffery Scott

Liked: Cleanliness, amenities, property conditions & facilities
Great place!
Stayed 5 nights in Jan 2026
Verified

10/10 Excellent

Jeff

Liked: Cleanliness, staff & service, amenities
Great pool area, clean, fantastic views
Stayed 4 nights in Feb 2026
Verified

10/10 Excellent

Serge

Liked: Cleanliness, amenities, property conditions & facilities
Very clean and spacious room with great ocean view. Also, very courteous staff
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Jeffrey

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Relaxed location on the keys, not too busy and plenty of restaurants nearby and on location to have a different experience each night. Resort had friendly and helpful staff with plenty of activities on site to take advantage of. 2 beautiful pool areas, beach area with various activities available including biking, kayaking, paddle boarding, floating cabana, sauna & tiki bar. Enjoyed our stay very much!
View from our room
View from our room
Roof top bar & restaurant on site
Pool view
Stayed 6 nights in Mar 2026
Verified

10/10 Excellent

Steven

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Beautiful ocean view from our lovely room. Wonderful balcony and facilities.
Stayed 3 nights in Mar 2026
Verified

10/10 Excellent

Heidi

Liked: Cleanliness, staff & service, amenities
The view was spectacular from our room. The staff were so friendly (especially Wilma)! Great food, great vibe!
Stayed 3 nights in Feb 2026
Verified

10/10 Excellent

Kevin

Liked: Cleanliness, staff & service, amenities
When we checked in we were upgraded to a fantastic room. The views at this resort are incredible. The staff was so friendly and welcoming and the onsite restaurant was the best.
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Lance

Liked: Cleanliness, staff & service, amenities
Staff was very friendly and helpful. Nice room at a beautiful location. Really enjoyed the beach and pools.
Stayed 4 nights in Feb 2026
Verified

8/10 Good

Scott

Liked: Cleanliness, staff & service
Comfortable room, clean
Stayed 4 nights in Feb 2026
Verified

10/10 Excellent

Janelle

Liked: Cleanliness, staff & service, amenities
Room was beautiful and property was stunning!
Stayed 4 nights in Dec 2025
Verified

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
Verified

10/10 Excellent

daniele

Liked: Cleanliness, amenities, property conditions & facilities
fantastic place with great restaurant and all the staff super! will be back next year Daniele
Stayed 5 nights in Dec 2025
Verified

8/10 Good

Stuart

Fabulous location with amazing views. Shout out to Mia in reception, very helpful and friendly.
Stayed 6 nights in Jan 2026
Verified

10/10 Excellent

Vanetta

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean room. Ocean view beautiful. Pool wonderful
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Andrea

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Breakfast was great
Stayed 3 nights in Dec 2025
Verified

10/10 Excellent

Holly

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

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
Verified

10/10 Excellent

Ronald

Liked: Cleanliness, staff & service, amenities
Room was super clean and the staff was very accommodating….can’t wait to go back!!
Stayed 7 nights in Feb 2026
Verified

10/10 Excellent

Joseph

Liked: Cleanliness, amenities, property conditions & facilities
Clean, beautiful room with great view. Several good food and drink options. Great location on the water.
Stayed 7 nights in Jan 2026
Verified

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
Verified

10/10 Excellent

Melanie

Liked: Cleanliness, amenities, property conditions & facilities
This hotel was really lovely. The adults only pool and proximity to the water is amazing- the staff were friendly. I also like that the coffee opens at 6am.
Stayed 3 nights in Dec 2025

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