Grassy Flats Resort & Beach Club | Hotel in Marathon, FL

| 8.8 (709 Reviews) |   Pet Friendly  9 Bathrooms  24 Guests
Marathon Hotel | Grassy Flats Resort & Beach Club

Hotel with Restaurant, Parking and Balcony

Located in Marathon, 5.3 miles from Florida Keys Aquarium Encounters, Grassy Flats Resort & Beach Club provides accommodations with an outdoor swimming pool, free private parking, a restaurant and a bar. This 3-star hotel offers an ATM, a concierge service and free WiFi. Guests can use the hot tub, or enjoy sea views. All rooms at the hotel are equipped with a seating area. Complete with a private bathroom equipped with a shower and free toiletries, guest rooms at Grassy Flats Resort & Beach Club have a flat-screen TV and air conditioning, and selected rooms contain a balcony. The rooms will provide guests with a fridge. Upper Matecumbe Key is 24 miles from the accommodation, while Theater of the Sea on Islamorada is 26 miles away. Key West International Airport is 55 miles from the property.

Grassy Flats Resort & Beach Club is located in Marathon.

This 38 Bedrooms Hotel is suitable for tourists and travelers. It has several amenities that would guarantee your comfort. These amenities include: View, Wheelchair Accessible, Sports/Activities, and several others. This is a 3 star rated property and has over 709 reviews with the average score of 8.8 . Coming to Marathon and needing a place to stay? Be it for work or for leisure, consider staying at this Hotel for your next visit, you will surely love it.

You can check the reviews and description of this 38 Bedrooms Hotel if you want to learn more about this Casai place in Marathon. These details are authentic, as they are provided by our partner, booking.com.

This Grassy Flats Resort & Beach Club in Marathon is well equipped and has all facilities that have been listed below. Please note that these details were shared to us by booking.com for the listed “Grassy Flats Resort & Beach Club”. We solely rely on their shared details and are regarded as “accurate”. If you have any concerns about the information or accuracy describing this Hotel, please let us know.

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58182 Overseas Hwy, Marathon FL 3305, Marathon, FL 33050, USA

Amenities

Air Conditioner
Parking
Pet Friendly
Pool
Designated Smoking Area
View
Wheelchair Accessible
Ocean View
Balcony/Terrace
Oceanfront
Accessibility
Security/Safety
Sports/Activities
Wellness Facilities
Fireplace/Heating
Restaurant
Bar
Guest Services
Entertainment
Child Friendly
Hot Tub
Internet

Facility Overview

Breakfast
  • Restaurant
  • Wine/Champagne
  • Coffee house on site
  • Bar
Parking
  • Accessible parking
  • Parking
  • Free parking
  • Parking on site
  • Private Parking
Accessibility
  • Wheelchair accessible
  • Toilet with grab rails
Activities
  • Windsurfing
  • Happy hour
  • Water sports facilities on site
  • Hot tub/Jacuzzi
  • Water park
Entertainment
  • Board games/Puzzles
General
  • Facilities for disabled guests
  • Wifi in all areas
  • Designated smoking area
  • Pet friendly
  • Non-smoking rooms
  • Smoke-free property
  • Air conditioning
  • Heating
  • Elevator
  • Safe
  • Family rooms
Guest Services
  • Concierge
  • ATM on site
  • Daily housekeeping
  • Express check-in/out
Internet
  • Free Wifi
  • Wifi
  • Internet
Outdoors
  • Outdoor pool
  • Outdoor fireplace
  • Outdoor furniture
  • Outdoor pool (year-round)
Security/Safety
  • Key card access
  • Fire extinguishers
  • Key access
  • Smoke alarms
  • Guest accommodation disinfected between stays
  • Guests have the option to cancel any cleaning services for their accommodation during their stay
  • Linens, towels, and laundry washed in accordance with local authority guidelines
  • Use of cleaning chemicals that are effective against coronavirus
  • Physical distancing in dining areas
  • All plates, cutlery, glasses, and other tableware sanitized
  • Staff follow all safety protocols as directed by local authorities
  • Cashless payment available
  • Contactless check-in/out
Spa
  • Shallow end
  • Fenced pool
  • Beach chairs/Loungers
  • Pool with view
  • Swimming pool
  • Beach umbrellas
  • Saltwater pool
  • Pool bar

Policies

Check-in
The minimum age for check-in is 25
Cancellation policy
Free cancellation
Payment Policy
Credit card required
Pet Policy
Pets are allowed upon request and charges may apply.
Guests are required to show a photo id and credit card upon check-in. please note that all special requests are subject to availability and additional charges may apply, please inform of your expected arrival time in advance. you can use the special requests box when booking, or contact the property directly using the contact details in your confirmation, guests under the age of 18 can only check in with a parent or official guardian.

Reviews

Value for money:
8.42
Location:
9.1
Staff:
9.45
Facilities:
9.08
Comfort:
9.4
Cleanliness:
9.37
Robert
Aug 3, 2025 07:00:00 AM
Review Score:   8
United States
Reviewer Type: Couple
Travel Purpose: leisure
See All Reviews

Room Arrangement

Room Info Facilities
Studio with Ocean View - Adults Only
Room Type: Studio
Room Size: 42 m2
1 King bed(s) Bed
Studio with Ocean View - Adults Only

Food & Drink

Tea/Coffee maker, Bottle of water

Bathroom

Toilet paper, Free toiletries, Private bathroom, Bathtub or shower, Towels, Conditioner, Body soap, Shower, Hairdryer, Toilet, Shampoo

General

Smoke Alarm, Fan, Key card access, Private entrance, Hardwood or parquet floors, Air conditioning, Trash cans, Heating, Fire extinguisher, Iron, Safe, Hypoallergenic

Media & Technology

Flat-screen TV, Cable channels, TV

Activities

Hot tub

Outdoors

Outdoor furniture, Balcony

Kitchen

Refrigerator

Living Area

Sofa, Desk, Sitting area

View

View, Pool view, Sea view

Bedroom

Linens

Accessibility

Upper floors accessible by elevator, Accessible by elevator

Pool and Spa

Pool towels, Pool with a view, Heated pool, Shallow end

Room Amenities

Hypoallergenic pillow, Socket near the bed, Non-feather pillow

Physical distancing

Single-room AC for guest accommodation
Two-Bedroom Deluxe Apartment
Room Type: Apartment
Room Size: 68 m2
1 Queen bed(s) Bed
1 Queen bed(s) Bed
Two-Bedroom Deluxe Apartment

Food & Drink

Tea/Coffee maker

Bathroom

Toilet paper, Free toiletries, Private bathroom, Bathtub or shower, Towels, Conditioner, Body soap, Shower, Hairdryer, Toilet, Bathtub, Shampoo

Media & Technology

Flat-screen TV, Cable channels, TV

General

Smoke Alarm, Key access, Tile/Marble floor, Air conditioning, Heating, Trash cans, Fire extinguisher, Iron, Private entrance, Hypoallergenic

Outdoors

Outdoor furniture, Balcony

Kitchen

Wine glasses, Stovetop, Coffee machine, Kitchenware, Electric kettle, Dining table, Toaster, Refrigerator, Oven, Microwave, Kitchen, Dishwasher

Living Area

Sofa, Sitting area, Dining area

View

View, Pool view, Garden view, Inner courtyard view, Sea view

Bedroom

Linens

Accessibility

Upper floors accessible by elevator, Accessible by elevator

Pool and Spa

Pool towels, Pool with a view, Heated pool, Shallow end

Room Amenities

Hypoallergenic pillow, Socket near the bed, Non-feather pillow

Physical distancing

Single-room AC for guest accommodation
Three-Bedroom Suite
Room Type: Suite
Room Size: 104 m2
1 Queen bed(s) Bed
1 King bed(s) Bed
1 Queen bed(s) Bed

Food & Drink

Tea/Coffee maker

Bathroom

Toilet paper, Free toiletries, Private bathroom, Bathtub or shower, Towels, Shampoo, Conditioner, Body soap, Shower, Hairdryer, Toilet, Additional bathroom, Bathtub, Guest bathroom

Media & Technology

Flat-screen TV, Cable channels, TV

General

Smoke Alarm, Key access, Tile/Marble floor, Air conditioning, Heating, Trash cans, Fire extinguisher, Iron, Private entrance, Hypoallergenic

Outdoors

Outdoor furniture, Balcony

Kitchen

Wine glasses, Stovetop, Coffee machine, Kitchenware, Electric kettle, Dining table, Toaster, Refrigerator, Oven, Microwave, Kitchen, Dishwasher

Living Area

Sofa, Sitting area, Dining area

View

View, Pool view, Garden view, Inner courtyard view, Sea view

Bedroom

Linens

Accessibility

Upper floors accessible by elevator, Accessible by elevator

Pool and Spa

Pool towels, Pool with a view, Heated pool, Shallow end

Room Amenities

Hypoallergenic pillow, Socket near the bed, Non-feather pillow

Physical distancing

Single-room AC for guest accommodation
Deluxe King Suite
Room Type: Suite
Room Size: 74 m2
1 King bed(s) Bed
1 King bed(s) Bed
Deluxe King Suite

Food & Drink

Tea/Coffee maker

Bathroom

Toilet paper, Free toiletries, Private bathroom, Bathtub or shower, Towels, Shampoo, Conditioner, Walk-in shower, Shower, Body soap, Hairdryer, Toilet, Additional bathroom, Bathtub, Guest bathroom

Media & Technology

Flat-screen TV, Cable channels, TV

General

Smoke Alarm, Key access, Tile/Marble floor, Air conditioning, Heating, Trash cans, Fire extinguisher, Iron, Private entrance, Hypoallergenic

Outdoors

Outdoor furniture, Balcony

Kitchen

Wine glasses, Stovetop, Coffee machine, Kitchenware, Electric kettle, Dining table, Toaster, Refrigerator, Oven, Microwave, Kitchen, Dishwasher

Living Area

Sofa, Sitting area, Dining area

View

View, Pool view, Garden view, Inner courtyard view, Sea view

Bedroom

Linens

Accessibility

Raised toilet, Upper floors accessible by elevator, Toilet with grab rails, Accessible by elevator, Entire unit wheelchair accessible, Lower sink, Roll-in shower

Pool and Spa

Pool towels, Pool with a view, Heated pool, Shallow end

Room Amenities

Hypoallergenic pillow, Socket near the bed, Non-feather pillow

Physical distancing

Single-room AC for guest accommodation
Standard Double Room - Adults Only
Room Type: Double
Room Size: 46 m2
2 Queen bed(s) Bed
Standard Double Room - Adults Only

Food & Drink

Tea/Coffee maker, Bottle of water

Bathroom

Toilet paper, Free toiletries, Private bathroom, Bathtub or shower, Towels, Conditioner, Body soap, Shower, Hairdryer, Toilet, Shampoo

General

Smoke Alarm, Fan, Key card access, Private entrance, Hardwood or parquet floors, Air conditioning, Trash cans, Heating, Fire extinguisher, Iron, Safe, Hypoallergenic

Media & Technology

Flat-screen TV, Cable channels, TV

Activities

Hot tub

Outdoors

Outdoor furniture, Balcony

Kitchen

Refrigerator

Living Area

Sofa, Desk, Sitting area

View

View, Pool view, Sea view

Bedroom

Linens

Accessibility

Upper floors accessible by elevator, Accessible by elevator

Pool and Spa

Pool towels, Pool with a view, Heated pool, Shallow end

Room Amenities

Hypoallergenic pillow, Socket near the bed, Non-feather pillow

Physical distancing

Single-room AC for guest accommodation
King Studio - Adults Only
Room Type: Studio
Room Size: 46 m2
1 King bed(s) Bed
King Studio - Adults Only

Food & Drink

Tea/Coffee maker, Bottle of water

Bathroom

Toilet paper, Free toiletries, Private bathroom, Bathtub or shower, Towels, Conditioner, Body soap, Shower, Hairdryer, Toilet, Shampoo

General

Smoke Alarm, Fan, Key card access, Private entrance, Hardwood or parquet floors, Air conditioning, Trash cans, Heating, Fire extinguisher, Iron, Safe, Hypoallergenic

Media & Technology

Flat-screen TV, Cable channels, TV

Activities

Hot tub

Outdoors

Outdoor furniture, Balcony

Kitchen

Refrigerator

Living Area

Sofa, Desk, Sitting area

View

View, Pool view, Sea view

Bedroom

Linens

Accessibility

Upper floors accessible by elevator, Accessible by elevator

Pool and Spa

Pool towels, Pool with a view, Heated pool, Shallow end

Room Amenities

Hypoallergenic pillow, Socket near the bed, Non-feather pillow

Physical distancing

Single-room AC for guest accommodation
Deluxe King Studio - Adults Only
Room Type: Studio
Room Size: 46 m2
1 King bed(s) Bed
Deluxe King Studio - Adults Only

Food & Drink

Tea/Coffee maker, Bottle of water

Bathroom

Toilet paper, Free toiletries, Private bathroom, Bathtub or shower, Towels, Conditioner, Body soap, Shower, Hairdryer, Toilet, Bathtub, Shampoo

General

Smoke Alarm, Fan, Key card access, Private entrance, Hardwood or parquet floors, Air conditioning, Trash cans, Heating, Fire extinguisher, Iron, Safe, Hypoallergenic

Media & Technology

Flat-screen TV, Cable channels, TV

Activities

Hot tub

Outdoors

Outdoor furniture, Balcony

Kitchen

Refrigerator

Living Area

Sofa, Desk, Sitting area

View

View, Pool view, Sea view

Bedroom

Linens

Accessibility

Upper floors accessible by elevator, Accessible by elevator

Pool and Spa

Pool towels, Pool with a view, Heated pool, Shallow end

Room Amenities

Hypoallergenic pillow, Socket near the bed, Non-feather pillow

Physical distancing

Single-room AC for guest accommodation

FAQ's

Is this Marathon hotel pet-friendly for guests?

Yes, pets are allowed at this property. Check the guest reviews to learn what guests had to share.

What time is check-in & check-out at Marathon hotel?

Check-in time for Marathon hotel starts counting from 4:00 PM and check-out is until 11:00 AM. However, early check-in or late check-out can sometimes be negotiated between the guest and the owner or the manager of this property.

Does the Marathon hotel have a swimming pool?

Yes, this Marathon hotel has a swimming pool. Check the Facility Overview section for details about the pool and other available facilities.

How much does it cost per night to stay in Marathon hotel?

Best-rates for the Marathon hotel starts from $408 per night with includes Pet Friendly, Designated Smoking Area, Ocean View, Oceanfront, Accessibility, Wellness Facilities, Fireplace/Heating, Restaurant, Parking, Balcony/Terrace, Security/Safety, Bar, Entertainment, Hot Tub, Air Conditioner, Pool, Guest Services, Child Friendly, View, Wheelchair Accessible, Sports/Activities, Internet with all other facilities. Casai matches every traveler with their perfect accommodation, whether you are traveling with a group, friends, family, or pets.

Is Marathon hotel a family-friendly place to stay?

Based on the information we have received from the owner or our partner, this is considered to be a family-friendly property. Families have rated this hotel 3 stars or guests have recommended them suitable for families. As reported by the owner or manager, the hotel has specified that children are welcome. Please see details about suitability for your family or inquire with the property to learn more.

Is the Marathon hotel wheelchair accessible or offer services for disabled guests?

Based on the information received from our partner, the Marathon hotel is wheelchair accessible. Likewise, there is an elevator specified as being available at the property. Specific accessibility details may be addressed in the property details section of this page.

What is the minimum night stay policy for the Marathon hotel?

Based on the information reported by the owner or manager, the Marathon hotel indicates 1 day stay policy at this hotel. Guests are cautioned that the minimum stay policy may differ based on seasonality or availability and may be at the discretion of the owner or manager.

What cancellation policy is in place for Marathon hotel?

Based on the information reported by the owner or manager, details for the cancellation policy for the Marathon hotel are as follows: Free cancellation Guests are cautioned that the cancellation policy may differ based on seasonality, availability, or current travel restrictions. Guests should also be aware that this policy may be subject to change and should be confirmed prior to booking. More details may be available on this page in the property description. However, early check-in or late check-out can sometimes be negotiated between the guest and the owner or the manager of this property.

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