Grassy Key, FL

Travel Guide

Dolphin Research Center showing a statue or sculpture and signage
Dolphin Research Center which includes a statue or sculpture
Dolphin Research Center showing signage
Photo by Monica Ferro
Photo by Monica Ferro
Rainbow Bend Resort

Rainbow Bend Resort

2.5 out of 5
57784 Overseas Hwy, Marathon, FL
$137 nightly
The price is $155 total per night from Oct 31 to Nov 1
$155 total
Oct 31 - Nov 1
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 ...
8/10 Very Good! (753 reviews)
Clean and easy to check in, even after office hours.

Reviewed on Oct 13, 2025

Rainbow Bend Resort
Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club

2.5 out of 5
58182 Overseas Hwy, Marathon, FL
$261 nightly
The price is $294 total per night from Nov 30 to Dec 1
$294 total
Nov 30 - Dec 1
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! (324 reviews)
The staff was WONDERFUL! Receptive, responsive and so happy! They make your stay so special, everyone makes you feel like you are the only guest there! The bartender Jeff makes the BEST drinks, Lizzy and the office staff are all excellent. They know everything in the area that’s fun to do and the ...

Reviewed on Oct 13, 2025

Grassy Flats Resort & Beach Club
Gulf View Waterfront Resort

Gulf View Waterfront Resort

2.5 out of 5
58743 OVERSEAS HWY, Marathon, FL
$134 nightly
The price is $151 total per night from Nov 2 to Nov 3
$151 total
Nov 2 - Nov 3
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! (508 reviews)
Second time staying, very convenient for us

Reviewed on Oct 14, 2025

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.
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
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! (30 reviews)
20th Anniversary Trip
My wife and I wanted to celebrate our 20th anniversary with friends and couldn't have picked a better place to stay. The house was very beautiful and clean. It had plenty of room for 8 of us. We loved the pool area!! The host were very kind and helpful prior to and during our stay. We would definitely ...

Reviewed on Jun 29, 2025

Wide Horizon oceanfront. 4 bedroom, 4 ½ bath, kayaks, pool + observation deck.
MILLION DOLLAR VIEW very private 4 bedroom resort with pool, pier, kayaks, spa

MILLION DOLLAR VIEW very private 4 bedroom resort with pool, pier, kayaks, spa

Marathon
Book a stay at this beach vacation home in Marathon. Enjoy free WiFi, private pools, and a beach locale. Popular attractions Keys Cable Park and Crawl Key are ...
10/10 Exceptional! (28 reviews)
Staying here is like having your own resort. Mornings, we expected other visitors from other cottages to show up to share the property. Alas, there were none! No other property can be seen from the space.The kitchen provides the most thorough collection of chef’s tools. Glassware, dinnerware, silverware ...

Reviewed on Oct 20, 2025

MILLION DOLLAR VIEW very private 4 bedroom resort with pool, pier, kayaks, spa
P58 - Gulf Front Luxury 4 bedroom 4 bath with private pool and deep water...

P58 - Gulf Front Luxury 4 bedroom 4 bath with private pool and deep water...

Marathon
Stay at this vacation home in Marathon. Enjoy free WiFi, private pools, and laundry facilities. Popular attractions Keys Cable Park and Crawl Key are located ...
9.6/10 Exceptional! (44 reviews)
We had an amazing time at this beautiful home!! We had a party of eight - my husband & me, our 3 teens (ages 17 & 18), & 3 additional teens (ages 18 & 19). There was plenty of space - all of the beds were very comfortable, the kitchen was adequately stocked to meet all of our needs, & the bathrooms ...

Reviewed on Jul 30, 2025

P58 - Gulf Front Luxury 4 bedroom 4 bath with private pool and deep water...
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.

Popular places to visit

Things to do

Cities near Grassy Key

Explore a world of travel with Expedia