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

Search Grassy Key hotels

  • Change your mind

    Book hotels with free cancellation
  • Treat yourself

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

    Search almost a million properties worldwide

Check prices for these dates

Filter by

Guest rating

Selecting then applying a filter from this group will update the results on a new page

Property class

Our top choices for Grassy Key hotels

Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club
4.0 star property
Marathon
9.4 out of 10, Exceptional, (463 reviews)
"Great location, beautiful room with sea view balcony. Would stay again"
United Kingdom
Katherine
The price is AU$378
includes taxes & fees
8 July - 9 July
Grassy Flats Resort & Beach Club

Rainbow Bend Resort

Rainbow Bend Resort
2.5 star property
Marathon
8.2 out of 10, Very good, (1,003 reviews)
"all staff were very helpful and room was perfect"
United States
Kaliram
The price is AU$223
includes taxes & fees
9 July - 10 July
Rainbow Bend Resort

Gulf View Waterfront Resort

Gulf View Waterfront Resort
2.5 star property
Marathon
8.4 out of 10, Very good, (591 reviews)
"The property room and amenities were nicely maintained at felt clean and comfortable. The view of the golf from the balcony was lovely. I would stay here again."
United States
Kathleen
The price is AU$261
includes taxes & fees
5 July - 6 July
Gulf View Waterfront Resort

Lime Tree Bay Resort

Lime Tree Bay Resort
3.5 star property
Long Key
9.2 out of 10, Wonderful, (1,356 reviews)
"It was amazing place, highly recommend, thdy have really good viewā˜ŗļø"
United States
Tuba
The price is AU$261
includes taxes & fees
2 Aug - 3 Aug
Lime Tree Bay Resort

Coconut Cay Resort & Marina

Coconut Cay Resort & Marina
3.0 star property
Marathon
8.4 out of 10, Very good, (1,032 reviews)
"Loved this resort was very nice and clean and staff was very friendly"
United States
Julian
The price is AU$199
includes taxes & fees
3 Aug - 4 Aug
Coconut Cay Resort & Marina

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
4.0 star property
Marathon
8.6 out of 10, Excellent, (1,167 reviews)
"Amazing location and super pet friendly!"
United States
Thalia
The price is AU$305
includes taxes & fees
15 July - 16 July
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Kingsail Resort

Kingsail Resort
2.0 star property
Marathon
8.6 out of 10, Excellent, (1,093 reviews)
"Pet-friendly, great staff, clean rooms. Definitely will stay again"
United States
Taylor
The price is AU$160
includes taxes & fees
23 July - 24 July
Kingsail Resort

Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa
5.0 star property
Marathon
9.2 out of 10, Wonderful, (1,175 reviews)
"Beautiful hotel, grounds and wonderful staff."
United States
Anna
The price is AU$476
includes taxes & fees
6 July - 7 July
Isla Bella Beach Resort & Spa

Yacht Haven Marina

Yacht Haven Marina
3.5 star property
Marathon
9.8 out of 10, Exceptional, (333 reviews)
"We love the accommodations and ability to cook with a full kitchen."
United States
Cheryl
The price is AU$414
includes taxes & fees
3 Aug - 4 Aug
Yacht Haven Marina

Conch Key Fishing Lodge and Marina

Conch Key Fishing Lodge and Marina
2.5 star property
Marathon
7.8 out of 10, Good, (734 reviews)
"Would definitely go back once its remodeled. Rented a boat with them and is was really and affordable. Super quiet, perfect getaway for our family including our puppy."
United States
Olga L.
The price is AU$209
includes taxes & fees
15 July - 16 July
Conch Key Fishing Lodge and Marina

Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys
3.0 star property
Marathon
9.2 out of 10, Wonderful, (1,174 reviews)
"Wonderful place"
United States
Hanan
The price is AU$258
includes taxes & fees
12 July - 13 July
Fairfield Inn & Suites by Marriott Marathon Florida Keys

Edgewater Lodge

Edgewater Lodge
2.5 star property
Long Key
8.6 out of 10, Excellent, (855 reviews)
"Immaculate view!"
United States
Ross
The price is AU$305
includes taxes & fees
6 July - 7 July
Edgewater Lodge

Siesta Motel

Siesta Motel
2.0 star property
Marathon
7.4 out of 10, Good, (764 reviews)
"Great deal for the Keys. The place was clean but dated. Would absolutely stay here again. Added bonus is that it is right behind a convenience store with Dunkin Donuts."
United States
Karen
The price is AU$158
includes taxes & fees
6 July - 7 July
Siesta Motel

Tropical Cottages

Tropical Cottages
3.0 star property
Marathon
8.6 out of 10, Excellent, (983 reviews)
"It was a very enjoyable stay, highly recommend."
United States
Andrea
The price is AU$171
includes taxes & fees
7 July - 8 July
Tropical Cottages

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
3.0 star property
Marathon
9.0 out of 10, Wonderful, (1,004 reviews)
"Excellent location, beautiful manicured grounds, friendly staff, relaxed ambience."
United States
Ana M
The price is AU$327
includes taxes & fees
2 Aug - 3 Aug
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Aqua Lodge Rentals At Coconut Cay

Aqua Lodge Rentals At Coconut Cay
3.5 star property
Marathon
9.6 out of 10, Exceptional, (226 reviews)
"Cleanness relaxing location, nice views, good air conditioning"
United States
Hakan
The price is AU$420
includes taxes & fees
21 July - 22 July
Aqua Lodge Rentals At Coconut Cay

Captain Pips Marina & Hideaway

Captain Pips Marina & Hideaway
3.0 star property
Marathon
9.0 out of 10, Wonderful, (1,001 reviews)
"Beautiful views, room was very clean and cool, on-site restaurant was delicious"
United States
Catherine
The price is AU$200
includes taxes & fees
12 July - 13 July
Captain Pips Marina & Hideaway

Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort
4.0 star property
Marathon
8.8 out of 10, Excellent, (1,005 reviews)
"Fantastic place, great atmosphere, peaceful, fantastic staff and the view was great!"
United States
Michael J
The price is AU$471
includes taxes & fees
13 July - 14 July
Tranquility Bay Beachfront Hotel and Resort

Banana Bay Resort & Marina

Banana Bay Resort & Marina
3.0 star property
Marathon
7.6 out of 10, Good, (1,000 reviews)
"The staff were super friendly and helpful. The room was kept clean, and was very spacious!"
United States
Maria
The price is AU$274
includes taxes & fees
2 Aug - 3 Aug
Banana Bay Resort & Marina

Hampton Inn Marathon - Florida Keys

Hampton Inn Marathon - Florida Keys
2.5 star property
Marathon
9.0 out of 10, Wonderful, (1,003 reviews)
"A good hotel for families and super quiet"
United States
Norma
The price is AU$265
includes taxes & fees
2 Aug - 3 Aug
Hampton Inn Marathon - Florida Keys
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

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.

A building with a blue awning labeled "Dolphin Research Center" and a dolphin logo.

Top Grassy Key Hotel Reviews

Recent Reviews in Grassy Key

More cheap accommodation in Grassy Key

Explore a world of travel with Expedia