Search Condo Rentals in Grassy Key

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Check prices for these dates

In two weeks
9 Jan - 11 Jan
In two months
20 Feb - 22 Feb
In three months
20 Mar - 22 Mar
In four months
17 Apr - 19 Apr

Our top choices for Grassy Key condo rentals

Outdoor pool
Sombrero Beach Tropical Getaway in the Heart of Marathon

Sombrero Beach Tropical Getaway in the Heart of Marathon

Sombrero Beach Tropical Getaway in the Heart of Marathon
2.0 star property
Marathon
9.4 out of 10, Exceptional, (9)
"Convenient location to our needs. Store right around the corner as well as Sombrero beach "
United States
Brian D.
The price is AED 684
AED 1,566 total
includes taxes & fees
6 Jan - 7 January 2026
Sombrero Beach Tropical Getaway in the Heart of Marathon
1 bedroom, iron/ironing board, free WiFi, bed sheets
Waterfront Fun: Pool, Marina, Tiki Bar & Beach!

Waterfront Fun: Pool, Marina, Tiki Bar & Beach!

Waterfront Fun: Pool, Marina, Tiki Bar & Beach!
Marathon
9.6 out of 10, Exceptional, (18)
"I just finished a detailed response to the owner. We were well satisfied with the property and it's location."
United States
Michael S.
Waterfront Fun: Pool, Marina, Tiki Bar & Beach!
Outdoor pool
Tropical Oasis on Sombrero Beach in the Heart of Marathon FL

Tropical Oasis on Sombrero Beach in the Heart of Marathon FL

Tropical Oasis on Sombrero Beach in the Heart of Marathon FL
2.0 star property
Marathon
9.0 out of 10, Wonderful, (4)
"Unit was very clean and recently remodeled. The building was a little difficult to find in the dark at night, but I would definitely recommend staying here again."
United States
Nancy M.
Tropical Oasis on Sombrero Beach in the Heart of Marathon FL
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

Coconut Cay Resort & Marina

Coconut Cay Resort & Marina

10/10 Excellent
"Great place and very nice rooms. Will stay again. "
Brian 1-night trip
Posted 2 days ago
Coconut Cay Resort & Marina

Frequently asked questions

How much do condos in Grassy Key cost?
The price range for condos in Grassy Key is AED 1,566 to AED 1,566 per night. No matter your budget, you're sure to find someplace that suits your needs — as well as your entire squad! These prices were available on Expedia within the past 7 days, for a hotel booking with a check-in date within the next year. Prices reflect current offers and availability is subject to change. Additional terms may apply.
What are the best condos in Grassy Key?
A traveler favorite is The Reef At Marathon. Settle in at this 3-star property which offers a tennis court and a swimming pool. Indigo Reef Resort Villas And Marina By Keyscaribbean is another highly rated condo to consider. Spend your break at this popular 3.5-star option and make the most of conveniences like a swimming pool and a barbecue grill. You'll have your pick of multiple condos in Grassy Key with a total average guest review rating of 9.3.
How many condos are there in Grassy Key?
Pack your bags and pick from 174 condos in Grassy Key. For work-related travel, a family getaway or anything in between, Expedia will help you find the right place in a few easy clicks.
Why book your condo in Grassy Key with Expedia?
Getaways shouldn't be difficult, so if you're seeking condos at an affordable rate, Expedia has your back. Keep costs down and pick something small and cozy, or splurge on a high-end condo and really spoil your crew. Our search filters make it easy to lock in a stay in Grassy Key that meets your needs.
How can I find cheap condos in Grassy Key?
With Expedia's filter tool, getting your hands on cheap condos in Grassy Key is easy. To view accommodations that'll make your wallet smile, fine-tune your search results by star rating, budget and amenities.