Grassy Key Travel Guide

Tourist 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.
A calm bay with clear turquoise water, surrounded by lush green vegetation and a sandy beach.
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 £120 per night from 9 Nov to 10 Nov
£120
9 Nov - 10 Nov
includes taxes & fees
Stay at this beach hotel in Marathon. Enjoy free breakfast, free Wi-Fi and free parking. Our guests praise the breakfast and the helpful staff in their reviews. ...
8.2/10 Very good! (1,001 reviews)
"The check-in process was easy and the staff were very pleasant and helpful. Our room was very clean. There were a few maintenance issues in our room such as the toilet paper holder was missing, and the bathroom sink drained slow, and can be easily fixed-replace holder and clean stopper in the sink. ..."

Reviewed on 6 Nov 2026

Rainbow Bend Resort
Gulf View Waterfront Resort

Gulf View Waterfront Resort

2.5 out of 5
58743 OVERSEAS HWY Marathon FL
The price is £101 per night from 1 Dec to 2 Dec
£101
1 Dec - 2 Dec
includes taxes & fees
Stay at this hotel in Marathon. Enjoy free Wi-Fi, free parking and daily housekeeping. Our guests praise the helpful staff and the clean rooms in their reviews. ...
Gulf View Waterfront Resort
Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club

4 out of 5
58182 Overseas Hwy Marathon FL
The price is £189 per night from 6 Dec to 7 Dec
£189
6 Dec - 7 Dec
includes taxes & fees
Stay at this hotel in Marathon. Enjoy free Wi-Fi, free parking and 2 outdoor pools. Our guests praise the helpful staff and the property condition in their reviews. ...
9.4/10 Exceptional! (504 reviews)
"Loved everything about this place!"

Reviewed on 5 Nov 2026

Grassy Flats Resort & Beach Club
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.
Wide Horizon oceanfront.  4 bedroom, 4 ½ bath,  kayaks, pool + observation deck.

Wide Horizon oceanfront. 4 bedroom, 4 ½ bath, kayaks, pool + observation deck.

Marathon FL
Stay at this beach holiday home in Marathon. Enjoy free Wi-Fi, private pools and a beach locale. Popular attractions Crawl Key and Grassy Key Marina are located ...
10/10 Exceptional! (49 reviews)
"Awesome views. Clean house. Fun places within walking and biking distance. Had a great time with the family playing the provided games and hanging out by the pool."

Reviewed on 19 Oct 2026

Wide Horizon oceanfront. 4 bedroom, 4 ½ bath, kayaks, pool + observation deck.
Brand New Three-Story Home's in Gated Community with Beach & Pool

Brand New Three-Story Home's in Gated Community with Beach & Pool

Marathon FL
Stay at this beach holiday home in Marathon. Enjoy free Wi-Fi, a beach locale and a water park. Popular attractions Keys Cable Park and Grassy Key Marina are ...
10/10 Exceptional! (1 review)
"Beautiful property and very responsive host."

Reviewed on 5 Jul 2026

Brand New Three-Story Home's in Gated Community with Beach & Pool
Yacht Haven Marina

Yacht Haven Marina

3.5 out of 5
5 Sombrero Blvd Marathon FL
Stay at this houseboat in Marathon. Enjoy free Wi-Fi, free parking and a picnic area. Our guests praise the helpful staff in their reviews. Popular attractions ...
9.6/10 Exceptional! (381 reviews)
"Very unique place to stay."

Reviewed on 6 Nov 2026

Yacht Haven Marina
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.

Things to do

Cities near Grassy Key

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