Grassy Flats Resort & Beach Club

58182 Overseas Hwy,Marathon Fl 3305, Marathon, United States - Top beach access
8.8/10 · 638 reviews

The 3-star non-smoking Grassy Flats Resort & Beach Club Marathon is located in Marathon, around 20 minutes' walk from Keys Cable Park, and offers 2 outdoor swimming pools. This Marathon hotel is not far from Curry Hammock State Bayside Park and provides guests with Jacuzzis, a hot tub, and a sauna.

Location

When staying at the resort, guests will be a mere 0.6 miles from Dolphin Research Center. To reduce stress guests can visit The Calm Waters Spa located about a 10-minute drive from the Grassy Flats Resort & Beach Club Marathon. Key West International airport is located 60 miles from the accommodation.

Rooms

The hotel has 38 rooms, comprising a balcony and a seating area. Complimentary wireless internet and a flat-screen TV with satellite channels, along with coffee and tea makers, are offered. Bathroom amenities include a separate toilet and a shower, as well as comforts such as a hairdryer and bath sheets.

Food & Drinks

Guests may visit Rhum House dining restaurant and a poolside bar on site.

Why choose Grassy Flats Resort & Beach Club Marathon

Select room
  • Sustainable eco-friendly practices

  • On-site fine dining restaurant

  • Complimentary water sports included

  • Zero-waste bar initiative

Main amenities

  • Wi-Fi

  • Free parking

  • Express check-in/ -out

  • Swimming Pool

  • Sports activities

  • Spa and relaxation

  • On-site Dining

  • Wheelchair access

  • Air conditioning

  • Pets

General
  • Wi-Fi
  • Free parking
  • Express check-in/ -out
  • Swimming Pool
  • Sports activities
  • Spa and relaxation
  • On-site Dining
  • Wheelchair access
  • Air conditioning
  • Pets
1/25

Internet

  • Wi-Fi

Parking options

  • Free parking

Activities

  • Wind surfing

Property services

  • Safe deposit box
  • Express check-in/ -out
  • Concierge desk
  • Housekeeping
  • Welcome drink
  • Happy hour

Dining options

  • Restaurant
  • Poolside snack bar

In the kitchen

  • Electric kettle
  • Cookware/ Kitchen utensils

For kids

  • Board games

Recreation

  • Saltwater pool
  • Beach umbrellas
  • Sun loungers
  • Aqua park
  • Jacuzzi
  • Pool with view
  • Shallow end

For disabled guests

  • Rooms/ Facilities for disabled
  • Wheelchair access
  • Toilet for disabled

In the rooms

  • Air conditioning
  • Heating
  • Sitting area
  • Garden furniture
  • Tea and coffee facilities
  • Dining table

In the bathroom

  • Free toiletries
  • Sink

Devices

  • Flat-screen TV

Design

  • Parquet floor

General facilities

  • No smoking on site
  • Lift
  • ATM/Cash machine
  • Coffee shop
  • Fireplace
  • Smoke detectors
  • Fire extinguishers
  • Key card access
  • Key access

Pets

  • Pets allowed

Important information

Check-in:
from 16:00 until 21:00
Check-out:
from 07:00 until 11:00
  • Children and extra beds
  • There are no cribs provided in a room.

Enter dates to see availability

From USD 409 per night
Check-in 7 Jun 2026
Check-out 8 Jun 2026
Guests 2 guests

Adults:

2

Children:

0
All rates verified
How we verified prices Our team regularly checks prices to make sure you see the lowest available rates. We compare them with hotel prices and other providers. If discounts or promotions appear, prices on our site are updated accordingly.

Rooms

Photos of Grassy Flats Resort & Beach Club Marathon

Location of Grassy Flats Resort & Beach Club Marathon

58182 Overseas Hwy,Marathon Fl 3305, Marathon, United States

 -  Top beach access
Attractions
Great restaurants
Transportation

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    Guest reviews of Grassy Flats Resort & Beach Club Marathon

    8.8 Fabulous
    638 reviews

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    100% Verified Reviews
    Enter dates to see availability
    From USD 409 per night
    Check-in 7 Jun 2026
    Check-out 8 Jun 2026
    Guests 2 guests

    Adults:

    2

    Children:

    0
    All rates verified
    How we verified prices Our team regularly checks prices to make sure you see the lowest available rates. We compare them with hotel prices and other providers. If discounts or promotions appear, prices on our site are updated accordingly.
    Check-in & out
    7 Jun 2026
    8 Jun 2026
    Guests
    2 guests
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    Important information
    Grassy Flats Resort & Beach Club
    Check-in:
    from 16:00 until 21:00
    Check-out:
    from 07:00 until 11:00
    • Children and extra beds
    • There are no cribs provided in a room.