Grassy Key

Travel Guide

A dolphin swimming near a wooden dock and a tree branch in the water.
A beach with clear turquoise water, surrounded by lush green trees and a distant shoreline with buildings.
Grassy Key
A building with a blue awning labeled "Dolphin Research Center" and a dolphin logo.
A dolphin sculpture and a sign for the Dolphin Research Center.
Rainbow Bend Resort

Rainbow Bend Resort

2.5 out of 5
57784 Overseas Hwy Marathon FL
The price is P6,349 per night from Jun 30 to Jul 1
P6,349
P9,902 total
Jun 30 - Jul 1
includes taxes & fees
Book a stay at this beach hotel in Marathon. Enjoy a private beach, daily housekeeping, and a garden. Our guests praise the breakfast and the helpful staff in ...
8.2/10 Very Good! (1,000 reviews)
"This is not the time to travel.The beach is covered with seaweeds.The smell is horrible.It enters the room.I am allergic to iodine and was coughing and with a sore throat.Could not use the kayaks because did not want to enter the contaminated water."

Reviewed on Jun 24, 2026

Rainbow Bend Resort
Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club

4 out of 5
58182 Overseas Hwy Marathon FL
The price is P12,111 per night from Jun 30 to Jul 1
P12,111
P16,568 total
Jun 30 - Jul 1
includes taxes & fees
Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and 2 outdoor pools. Our guests praise the helpful staff and the property condition in our reviews. ...
9.4/10 Exceptional! (462 reviews)
"When we arrived we were greeted by Mia. Such a nice young lady and very helpful! We had dinner at The Rhum House and the food and service was fantastic! Our room was very clean and spacious. We were disappointed by the beach but came to find out that is common in the Keys. Also liked how the resort ..."

Reviewed on Jun 17, 2026

Grassy Flats Resort & Beach Club
Gulf View Waterfront Resort

Gulf View Waterfront Resort

2.5 out of 5
58743 OVERSEAS HWY Marathon FL
The price is P9,884 per night from Jun 28 to Jun 29
P9,884
P11,119 total
Jun 28 - Jun 29
includes taxes & fees
Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and daily housekeeping. Our guests praise the helpful staff and the clean rooms in our reviews. ...
8.4/10 Very Good! (589 reviews)
"Love it"

Reviewed on Jun 26, 2026

Gulf View Waterfront Resort
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Skipjack Resort & Marina

Skipjack Resort & Marina

3 out of 5
19 Sombrero Blvd Marathon FL
Book a stay at this golf aparthotel in Marathon. Enjoy free parking, a marina, and a fitness center. Our guests praise the breakfast and the pool in our reviews. ...
8.6/10 Excellent! (1,274 reviews)
"Cool place! Room was very comfortable and had everything we needed for the stay. Breakfast had both continental and made-to-order options. Outdoor bar was great, as was the evening dinner. Convenient to all of Marathon and Sombrero Beach."

Reviewed on Jun 22, 2026

Skipjack Resort & Marina
Yacht Haven Marina

Yacht Haven Marina

3.5 out of 5
5 Sombrero Blvd Marathon FL
Stay at this houseboat in Marathon. Enjoy free WiFi, free parking, and a picnic area. Our guests praise the helpful staff in our reviews. Popular attractions ...
9.8/10 Exceptional! (331 reviews)
"2nd stay at this property. Very nice property and very pleasant staff. Great location"

Reviewed on Jun 26, 2026

Yacht Haven Marina
Knight's Key Suites

Knight's Key Suites

3 out of 5
40 Kyle Way W Marathon FL
Stay at this aparthotel in Marathon. Enjoy free WiFi, free parking, and a picnic area. Our guests praise the helpful staff and the clean rooms in our reviews. ...
9/10 Wonderful! (1,206 reviews)
"Nice and clean."

Reviewed on Jun 22, 2026

Knight's Key Suites
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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