Find hotels in Grassy Key, FL from ฿4,770
Change your mindBook hotels with free cancellation
Be pickySearch almost a million properties worldwide
Go beyond your typical stay in Grassy Key
Family friendly
Check prices for these dates
Our top choices for Grassy Key hotels
8.2 out of 10, Very good, (786)
Lounge at the private beach or outdoor pool at this Marathon hotel. Kayaking, hot tub access, and ocean-view dining at the Hideaway Cafe offer relaxing options. Conveniently located near Sombrero Beach and Crawl Key for island adventures.
"Great location, friendly service and very clean!"
mike
The price is ฿3,551
฿5,408 total
includes taxes & fees
4 Jan - 5 Jan 2026
8.6 out of 10, Excellent, (528)
This Gulf View Waterfront Resort offers an outdoor pool and on-site kayaking opportunities near Keys Cable Park and Crawl Key. Just a 10-minute drive from Marathon Airport, guests praise the helpful staff and clean, well-maintained rooms.
"Great property to stay! "
Fernando
9.4 out of 10, Exceptional, (359)
Set along the Florida Keys, this welcoming resort offers 2 outdoor pools and beachside relaxation. Grab dinner at The Rhum House or sip cocktails at the poolside bar. Close to Keys Cable Park and Crawl Key, with free WiFi and parking for convenience.
" Beautiful grounds, clean rooms.and nice staff. Great location."
Steven
The price is ฿11,060
฿12,442 total
includes taxes & fees
7 Jan - 8 Jan 2026
8.6 out of 10, Excellent, (1044)
Waterfront motel with a marina for boat lovers and kayaking opportunities. The clean rooms provide a comfortable base to explore nearby Crane Point Museum and Nature Centre. Free WiFi and parking add convenience to your Florida Keys adventure.
"Spacious room great staff helpful and location"
William
The price is ฿4,578
฿5,150 total
includes taxes & fees
5 Jan - 6 Jan 2026
7.8 out of 10, Good, (1001)
Overlooking the marina in the Florida Keys, this beachside retreat offers an outdoor pool and hot tub for relaxation. Guests can borrow free bicycles to explore nearby Sombrero Beach, enjoy tennis, or sip drinks at the bar after a day on the water.
"Clean room, smells good, renewed, excellent bed and pillows , quiet, close to ocean and great peaceful views "
Elba
The price is ฿3,929
฿5,657 total
includes taxes & fees
5 Jan - 6 Jan 2026
9.2 out of 10, Wonderful, (1108)
Escape to this tropical resort with a private beach and complimentary kayaking along Florida's stunning coastline. 3 outdoor pools, tennis courts, and free bike rentals create endless recreation opportunities. Florida Boy restaurant serves American cuisine throughout the day.
"Great place "
Oscar
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.
Save an average of 15% on thousands of hotels when you're signed in
Stay near popular South Florida attractions
Learn more about Grassy Key
Discover the seaside area of Grassy Key—beaches, a marina and sights from Curry Hammock State Park to Keys Cable Park.
More cheap stays in Grassy Key
Kingsail Resort
7050 Overseas Highway Marathon FL
The price is ฿4,578 per night from 5 Jan to 6 Jan
฿4,578
฿5,150 total
5 Jan - 6 Jan 2026
includes taxes & fees
8.4/10 Very Good! (1,041 reviews)
