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

Find Cheap Hotels in Grassy Key, FL

  • Change your mind

    Book hotels with free cancellation
  • Treat yourself

    Sign in to save 10% or more on thousands of hotels
    Sign in
  • Be picky

    Search almost a million properties worldwide

Check availability on Grassy Key Cheap Hotels

Tonight
Aug 15 - Aug 16
Tomorrow
Aug 16 - Aug 17
Next weekend
Aug 21 - Aug 23
In two weeks
Aug 28 - Aug 30

Our top choices for Grassy Key cheap hotels

1. Rainbow Bend Resort

Rainbow Bend Resort
Marathon
United States
Jorge
NT$3,317
NT$5,173 total
includes taxes & fees
Aug 16 - Aug 17
Rainbow Bend Resort

2. Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
Marathon
United Kingdom
Katherine
NT$4,161
NT$6,219 total
includes taxes & fees
Aug 21 - Aug 22
Grassy Flats Resort & Beach Club

3. Gulf View Waterfront Resort

Gulf View Waterfront Resort
Marathon
United States
KayLynn
NT$3,888
NT$4,374 total
includes taxes & fees
Sep 13 - Sep 14
Gulf View Waterfront Resort

4. Floating Sea Cove Resort & Marina

Floating Sea Cove Resort & Marina
Marathon
United States
Francisco J
NT$1,762
NT$2,485 total
includes taxes & fees
Aug 17 - Aug 18
Floating Sea Cove Resort & Marina

5. Coconut Cay Resort & Marina

Coconut Cay Resort & Marina
Marathon
United States
Elizabeth
NT$2,737
NT$3,485 total
includes taxes & fees
Aug 16 - Aug 17
Coconut Cay Resort & Marina

6. Kingsail Resort

Kingsail Resort
Marathon
United States
MOISES
NT$2,450
NT$2,757 total
includes taxes & fees
Sep 2 - Sep 3
Kingsail Resort

7. Siesta Motel

Siesta Motel
Marathon
United States
Neeltje
NT$2,691
NT$3,027 total
includes taxes & fees
Aug 17 - Aug 18
Siesta Motel

8. Banana Bay Resort & Marina

Banana Bay Resort & Marina
Marathon
United States
Deanna
NT$2,845
NT$4,462 total
includes taxes & fees
Sep 6 - Sep 7
Banana Bay Resort & Marina

9. Bonefish Bay Motel

Bonefish Bay Motel
Marathon
United States
William
NT$2,854
NT$3,211 total
includes taxes & fees
Aug 20 - Aug 21
Bonefish Bay Motel

10. Yacht Haven Marina

Yacht Haven Marina
Marathon
United States
Clara
NT$2,819
NT$7,676 total
includes taxes & fees
Sep 7 - Sep 8
Yacht Haven Marina
View all properties

Top Grassy Key Hotel Reviews

Lime Tree Bay Resort

Lime Tree Bay Resort

10/10 Excellent
"We had a lovely room with great view and cold a/c! All staff from front desk, to housekeeping and maintenance were helpful and friendly. We really enjoyed the pool because it has a "chiller" system that keeps it from being too hot in the summer."
James 2-night trip
Posted 1 hour ago
Lime Tree Bay Resort
Coconut Cay Resort & Marina

Coconut Cay Resort & Marina

10/10 Excellent
"Poor Parking"
Leonardo 2-night trip
Posted 23 hours ago
Coconut Cay Resort & Marina
Floating Sea Cove Resort & Marina

Floating Sea Cove Resort & Marina

8/10 Good
"Nice place ..thank you"
Francisco J 1-night trip
Posted 1 day ago
Floating Sea Cove Resort & Marina
Hawks Cay Resort

Hawks Cay Resort

8/10 Good
"The beauty of the resort takes you away, and reminds you that this is paradise."
Craig 5-night trip
Posted 3 days ago
Hawks Cay Resort

Explore a world of travel with Expedia