Search Motels in Grassy Key from CA $113

  • 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 prices for these dates

Next weekend
Nov 13 - Nov 15
In two weeks
Nov 20 - Nov 22
In one month
Dec 4 - Dec 6
In two months
Jan 1 - Jan 3

Our top choices for Grassy Key motels

A covered outdoor area with a view of a pool and palm trees.

1. Kingsail Resort

Kingsail Resort
2.0 star property
Marathon
8.6 out of 10, Excellent, (1,132 reviews)
"The customer service was great, we had no issues and enjoyed the room."
United States
Nate
The price is CA $113
CA $127 total
includes taxes & fees
Nov 8 - Nov 9
Kingsail Resort
A wooden dock leading to a row of boats, with a thatched-roof building and palm trees in the background.

2. Bonefish Bay Motel

Bonefish Bay Motel
2.5 star property
Marathon
9.2 out of 10, Wonderful, (666 reviews)
"Convenient location, amenities were great and excellent pricing."
United States
Billy
The price is CA $162
CA $182 total
includes taxes & fees
Dec 1 - Dec 2
Bonefish Bay Motel
A beachfront property with a white balcony, palm trees, and a sandy beach.

3. Conch Key Fishing Lodge and Marina

Conch Key Fishing Lodge and Marina
2.5 star property
Marathon
7.8 out of 10, Good, (755 reviews)
"Rooms were very clean, good location!"
United States
Daniel
The price is CA $126
CA $142 total
includes taxes & fees
Nov 5 - Nov 6
Conch Key Fishing Lodge and Marina
A building with a white exterior, purple doors, and a small patio area with chairs and a table.

4. Siesta Motel

Siesta Motel
2.0 star property
Marathon
7.4 out of 10, Good, (791 reviews)
"Clean, very affordable and a great location."
United States
Troy
The price is CA $113
CA $127 total
includes taxes & fees
Nov 22 - Nov 23
Siesta Motel
A hammock on a sandy beach with palm trees, a pool, and lounge chairs in the background.

5. Seascape Resort & Marina

Seascape Resort & Marina
3.0 star property
Marathon
9.4 out of 10, Exceptional, (647 reviews)
"We loved the beach, pool and docks. The atmosphere was amazing!"
United States
Jane
The price is CA $184
CA $278 total
includes taxes & fees
Nov 23 - Nov 24
Seascape Resort & Marina
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.
View all properties

Learn more about Grassy Key

Experience the seaside area of Grassy Key—beaches, a scenic waterfront, and sights from Curry Hammock State Park to Grassy Key Marina.

See all hotels in Grassy Key
A building with a blue awning labeled "Dolphin Research Center" and a dolphin logo.

Top reviews in Grassy Key

A wooden dock leading to a row of boats, with a thatched-roof building and palm trees in the background.
Bonefish Bay Motel

Bonefish Bay Motel

Bonefish Bay Motel
Marathon

10/10 Excellent

We stayed in the main building of the property. The room was spacious and well appointed including a hair dryer and kitchenette with microwave.They have free bikes and canoes available for guests. The ladies at reception were very helpful and nice. The place is close to the Marathon Lady docks where we took a fishing trip that was great fun. There is a pickle ball court, bbq and a pool. It was scorching hot so it would be nice if they planted more trees for greater shade. We had a nice stay-...
Canada
Victor
Reviewed July 10, 2026
Bonefish Bay Motel

Explore a world of travel with Expedia