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

Grassy Flats Resort & Beach Club | Hotel in Marathon

| 8.8 (713 Reviews) | Pet Friendly 9 Bathrooms 24 Guests

Marathon Hotel | Grassy Flats Resort & Beach Club

Hotel in Marathon

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: Restaurant, Security/Safety, Sports/Activities, and several others. This is a 3 star rated property and has over 713 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 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.

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

Parking

Free parking

Accessible parking

Private Parking

Parking on site

Parking

Accessibility

Wheelchair accessible

Toilet with grab rails

Activities

Windsurfing

Water park

Hot tub/Jacuzzi

Water sports facilities on site

Happy hour

Entertainment

Board games/Puzzles

General

Smoke-free property

Family rooms

Facilities for disabled guests

Safe

Elevator

Air conditioning

Designated smoking area

Pet friendly

Non-smoking rooms

Wifi in all areas

Heating

Guest Services

ATM on site

Express check-in/out

Daily housekeeping

Concierge

Internet

Internet

Free Wifi

Wifi

Outdoors

Outdoor fireplace

Outdoor pool (year-round)

Outdoor pool

Outdoor furniture

Security/Safety

Key access

Smoke alarms

Key card access

Fire extinguishers

Guest accommodation disinfected between stays

Linens, towels, and laundry washed in accordance with local authority guidelines

Use of cleaning chemicals that are effective against coronavirus

Guests have the option to cancel any cleaning services for their accommodation during their stay

All plates, cutlery, glasses, and other tableware sanitized

Physical distancing in dining areas

Staff follow all safety protocols as directed by local authorities

Cashless payment available

Contactless check-in/out

Spa

Beach umbrellas

Swimming pool

Shallow end

Fenced pool

Beach chairs/Loungers

Saltwater pool

Pool bar

Pool with view

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

Kelli

Sep 30, 2025 07:00:00 AM

Review Score: 10

USA

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	Food & Drink Tea/Coffee maker, Bottle of water Bathroom Bathtub or shower, Private bathroom, Free toiletries, Shower, Hairdryer, Towels, Toilet, Shampoo, Body soap, Conditioner, Toilet paper General Trash cans, Key card access, Fire extinguisher, Safe, Air conditioning, Hardwood or parquet floors, Hypoallergenic, Private entrance, Iron, Fan, Heating, Smoke Alarm Media & Technology Cable channels, Flat-screen TV, TV Activities Hot tub Outdoors Balcony, Outdoor furniture Kitchen Refrigerator Living Area Sofa, Desk, Sitting area View Sea view, Pool view, View Bedroom Linens Accessibility Accessible by elevator, Upper floors accessible by elevator Pool and Spa Pool towels, Heated pool, Shallow end, Pool with a view Room Amenities Non-feather pillow, Hypoallergenic pillow, Socket near the bed 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	Food & Drink Tea/Coffee maker Bathroom Bathtub or shower, Private bathroom, Free toiletries, Shower, Hairdryer, Bathtub, Towels, Toilet, Shampoo, Body soap, Conditioner, Toilet paper Media & Technology Cable channels, Flat-screen TV, TV General Trash cans, Key access, Fire extinguisher, Air conditioning, Tile/Marble floor, Hypoallergenic, Private entrance, Iron, Heating, Smoke Alarm Outdoors Balcony, Outdoor furniture Kitchen Microwave, Electric kettle, Kitchenware, Refrigerator, Dishwasher, Kitchen, Coffee machine, Toaster, Dining table, Wine glasses, Stovetop, Oven Living Area Dining area, Sofa, Sitting area View Pool view, Garden view, Sea view, View, Inner courtyard view Bedroom Linens Accessibility Accessible by elevator, Upper floors accessible by elevator Pool and Spa Pool towels, Heated pool, Shallow end, Pool with a view Room Amenities Non-feather pillow, Hypoallergenic pillow, Socket near the bed 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 Bathtub or shower, Private bathroom, Free toiletries, Shower, Additional bathroom, Guest bathroom, Hairdryer, Bathtub, Towels, Toilet, Shampoo, Body soap, Conditioner, Toilet paper Media & Technology Cable channels, Flat-screen TV, TV General Trash cans, Key access, Fire extinguisher, Air conditioning, Tile/Marble floor, Hypoallergenic, Private entrance, Iron, Heating, Smoke Alarm Outdoors Balcony, Outdoor furniture Kitchen Microwave, Electric kettle, Kitchenware, Refrigerator, Dishwasher, Kitchen, Coffee machine, Toaster, Dining table, Wine glasses, Stovetop, Oven Living Area Dining area, Sofa, Sitting area View Pool view, Garden view, Sea view, View, Inner courtyard view Bedroom Linens Accessibility Accessible by elevator, Upper floors accessible by elevator Pool and Spa Pool towels, Heated pool, Shallow end, Pool with a view Room Amenities Non-feather pillow, Hypoallergenic pillow, Socket near the bed 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	Food & Drink Tea/Coffee maker Bathroom Bathtub or shower, Private bathroom, Free toiletries, Shower, Additional bathroom, Guest bathroom, Walk-in shower, Hairdryer, Bathtub, Towels, Toilet, Shampoo, Body soap, Conditioner, Toilet paper Media & Technology Cable channels, Flat-screen TV, TV General Trash cans, Key access, Fire extinguisher, Air conditioning, Tile/Marble floor, Hypoallergenic, Private entrance, Iron, Heating, Smoke Alarm Outdoors Balcony, Outdoor furniture Kitchen Microwave, Electric kettle, Kitchenware, Refrigerator, Dishwasher, Kitchen, Coffee machine, Toaster, Dining table, Wine glasses, Stovetop, Oven Living Area Dining area, Sofa, Sitting area View Pool view, Garden view, Sea view, View, Inner courtyard view Bedroom Linens Accessibility Accessible by elevator, Raised toilet, Entire unit wheelchair accessible, Upper floors accessible by elevator, Roll-in shower, Toilet with grab rails, Lower sink Pool and Spa Pool towels, Heated pool, Shallow end, Pool with a view Room Amenities Non-feather pillow, Hypoallergenic pillow, Socket near the bed 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	Food & Drink Tea/Coffee maker, Bottle of water Bathroom Bathtub or shower, Private bathroom, Free toiletries, Shower, Hairdryer, Towels, Toilet, Shampoo, Body soap, Conditioner, Toilet paper General Trash cans, Key card access, Fire extinguisher, Safe, Air conditioning, Hardwood or parquet floors, Hypoallergenic, Private entrance, Iron, Fan, Heating, Smoke Alarm Media & Technology Cable channels, Flat-screen TV, TV Activities Hot tub Outdoors Balcony, Outdoor furniture Kitchen Refrigerator Living Area Sofa, Desk, Sitting area View Sea view, Pool view, View Bedroom Linens Accessibility Accessible by elevator, Upper floors accessible by elevator Pool and Spa Pool towels, Heated pool, Shallow end, Pool with a view Room Amenities Non-feather pillow, Hypoallergenic pillow, Socket near the bed Physical distancing Single-room AC for guest accommodation
King Studio - Adults Only Room Type: Studio Room Size: 46 m² 1 King bed(s) Bed	Food & Drink Tea/Coffee maker, Bottle of water Bathroom Bathtub or shower, Private bathroom, Free toiletries, Shower, Hairdryer, Towels, Toilet, Shampoo, Body soap, Conditioner, Toilet paper General Trash cans, Key card access, Fire extinguisher, Safe, Air conditioning, Hardwood or parquet floors, Hypoallergenic, Private entrance, Iron, Fan, Heating, Smoke Alarm Media & Technology Cable channels, Flat-screen TV, TV Activities Hot tub Outdoors Balcony, Outdoor furniture Kitchen Refrigerator Living Area Sofa, Desk, Sitting area View Sea view, Pool view, View Bedroom Linens Accessibility Accessible by elevator, Upper floors accessible by elevator Pool and Spa Pool towels, Heated pool, Shallow end, Pool with a view Room Amenities Non-feather pillow, Hypoallergenic pillow, Socket near the bed 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	Food & Drink Tea/Coffee maker, Bottle of water Bathroom Bathtub or shower, Private bathroom, Free toiletries, Shower, Hairdryer, Bathtub, Towels, Toilet, Shampoo, Body soap, Conditioner, Toilet paper General Trash cans, Key card access, Fire extinguisher, Safe, Air conditioning, Hardwood or parquet floors, Hypoallergenic, Private entrance, Iron, Fan, Heating, Smoke Alarm Media & Technology Cable channels, Flat-screen TV, TV Activities Hot tub Outdoors Balcony, Outdoor furniture Kitchen Refrigerator Living Area Sofa, Desk, Sitting area View Sea view, Pool view, View Bedroom Linens Accessibility Accessible by elevator, Upper floors accessible by elevator Pool and Spa Pool towels, Heated pool, Shallow end, Pool with a view Room Amenities Non-feather pillow, Hypoallergenic pillow, Socket near the bed Physical distancing Single-room AC for guest accommodation

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USD $408

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Grassy Flats Resort & Beach Club | Hotel in Marathon

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Hotel in Marathon

Amenities

Facility Overview

Policies

Reviews

Reviews

Room Arrangement

Food & Drink

Bathroom

General

Media & Technology

Activities

Outdoors

Kitchen

Living Area

View

Bedroom

Accessibility

Pool and Spa

Room Amenities

Physical distancing

Food & Drink

Bathroom

Media & Technology

General

Outdoors

Kitchen

Living Area

View

Bedroom

Accessibility

Pool and Spa

Room Amenities

Physical distancing

Food & Drink

Bathroom

Media & Technology

General

Outdoors

Kitchen

Living Area

View

Bedroom

Accessibility

Pool and Spa

Room Amenities

Physical distancing

Food & Drink

Bathroom

Media & Technology

General

Outdoors

Kitchen

Living Area

View

Bedroom

Accessibility

Pool and Spa

Room Amenities

Physical distancing

Food & Drink

Bathroom

General

Media & Technology

Activities

Outdoors

Kitchen

Living Area

View

Bedroom

Accessibility

Pool and Spa

Room Amenities

Physical distancing

Food & Drink

Bathroom

General

Photos of Grassy Flats Resort & Beach Club in Marathon