Grassy Key, FL

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.
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
$142 nightly
The price is $160 total per night from Jul 15 to Jul 16
$160 total
Jul 15 - Jul 16
Total with taxes and 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! (1,008 reviews)
"Nice hidden gem! The room was very clean. The beds were extremely comfortable. The property was well taken care of and quiet was a great halfway point while exploring the Florida Keys!"

Reviewed on Jul 8, 2026

Rainbow Bend Resort
Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club

4 out of 5
58182 Overseas Hwy Marathon FL
$227 nightly
The price is $256 total per night from Jul 19 to Jul 20
$256 total
Jul 19 - Jul 20
Total with taxes and 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! (468 reviews)
"The staff were nice. The rooms were cleaned daily and"

Reviewed on Jul 7, 2026

Grassy Flats Resort & Beach Club
Gulf View Waterfront Resort

Gulf View Waterfront Resort

2.5 out of 5
58743 OVERSEAS HWY Marathon FL
$140 nightly
The price is $157 total per night from Aug 4 to Aug 5
$157 total
Aug 4 - Aug 5
Total with taxes and 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! (592 reviews)
"Loved this property! Laid back and very clean. Small and quaint and just what I was looking for in our stay. In the Keys! Location was not to far from anything we wanted to do! Cameron was so helpful! Would recommend this place!"

Reviewed on Jul 8, 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.
🌊 Private Oasis With Pool Spa Dock and Ocean right in your backyard 🌊 allow pets

🌊 Private Oasis With Pool Spa Dock and Ocean right in your backyard 🌊 allow pets

Marathon FL
Stay at this vacation home in Marathon. Enjoy free WiFi, private pools, and a garden. Popular attractions Crawl Key and Curry Hammock State Park are located ...
🌊 Private Oasis With Pool Spa Dock and Ocean right in your backyard 🌊 allow pets
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
Book a stay at this beach vacation home in Marathon. Enjoy free WiFi, private pools, and a beach locale. Popular attractions Crawl Key and Keys Cable Park are ...
10/10 Exceptional! (44 reviews)
"Place was great located close to what we wanted to do"

Reviewed on Jun 6, 2026

Wide Horizon oceanfront. 4 bedroom, 4 ½ bath, kayaks, pool + observation deck.
Waterfront Beauty 10-guests, Dock, Kayaks and more

Waterfront Beauty 10-guests, Dock, Kayaks and more

Marathon FL
Stay at this vacation home in Marathon. Enjoy private pools, laundry facilities, and patios. Popular attractions Keys Cable Park and Crawl Key are located ...
9.8/10 Exceptional! (9 reviews)
Good little spot for a family or small group
"Property was at the north end of Marathon so short drive to restaurants, stores, etc. The neighborhood was nice and quiet we really felt like we were the only ones there which was great. House was clean and had everything we needed in terms of kitchen appliances, working grill, plenty of towels/sheets/blankets/pillows. ..."

Reviewed on Jun 2, 2025

Waterfront Beauty 10-guests, Dock, Kayaks and more
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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