A dolphin swimming near a wooden dock and a tree branch in the water.

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Check availability on Grassy Key Luxury Hotels

Our top choices for Grassy Key luxury hotels

A wooden deck with two chairs and a table, overlooking a beach with palm trees and the ocean.

1. Rainbow Bend Resort

Rainbow Bend Resort
2.5 star property
Marathon
8.2 out of 10, Very good, (1,000 reviews)
"just what we needed for couple nights stay"
United States
Dennis
The price is ₩138,328
₩215,728 total
includes taxes & fees
Nov 16 - Nov 17
Rainbow Bend Resort
A wooden deck with a bench overlooking a pool area, surrounded by palm trees and a clear blue sky.

2. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
4.0 star property
Marathon
9.4 out of 10, Exceptional, (506 reviews)
"Loved everything about this place!"
United States
Amanda
The price is ₩245,200
₩339,860 total
includes taxes & fees
Dec 13 - Dec 14
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.
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Top Grassy Key Hotel Reviews

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

10/10 Excellent
"Great clean place to stay! Nice friendly staff."
Elise 2-night trip
Posted 6 hours ago
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton