
Grassy Key Vacations from $398
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Photo by Monica Ferro
The Latest Grassy Key vacation packages
Price found within the past 48 hours. Click for updated prices.


The Shelborne By Proper, a Member of Design Hotels
South Beach
Price was $1,761, price is now $715 per person
$715
per person
Jan 22 - Jan 25
found 1 day ago
Roundtrip flight included
Boston (BOS) to Miami (MIA)
9.8/10 Exceptional! (39 reviews)
Fantastic experience. One of the best hotels we have stayed at. Shout out to Jenny, Marta , Shane and Louis, William and Josh and all of the other wonderful staff. Definitely recommend it and will certainly go back !
Reviewed on Nov 1, 2025


Cavalier Hotel South Beach
South Beach
Price was $971, price is now $452 per person
$452
per person
Jan 22 - Jan 25
found 1 day ago
Roundtrip flight included
Boston (BOS) to Miami (MIA)
8.4/10 Very Good! (1,004 reviews)
Room was clean. Staff was friendly beach, restaurants and shops nearby. Also a convenient parking garage within walking distance.
Reviewed on Nov 4, 2025
Discover the most popular places to visit in Grassy Key

Sombrero Beach
4.5/5(417 reviews)
Play beach games; go swimming, kayaking or snorkeling; and lounge in the sun at one of Marathon’s most visited beaches.

Seven Mile Bridge
4.5/5(830 reviews)
Walk, jog, cycle or drive across one of the longest bridges in North America to take in the scenic ocean views it provides.

Vaca Key
4.5/5(39 reviews)
Commune with nature and explore the great outdoors at Vaca Key during your travels in Marathon. Stroll along the seaside or discover the area's beautiful sunsets.
What to do in Grassy Key

Marathon: Private Cable or Cable Kiteboarding Session
$177
per traveler

Marathon: Intro to Foilboarding Experience
$214
per traveler
Grassy Key Hotel Deals

Rainbow Bend Resort
57784 Overseas Hwy, Marathon, FL
Fully refundableReserve now, pay when you stay
$137 nightly
The price is $155 total per night from Nov 5 to Nov 6
$155 total
Nov 5 - Nov 6
Total with taxes and fees
8/10 Very Good! (754 reviews)
Wonderful stay with beautiful scenery, clean comfortable rooms and extremely helpful staff. Will definitely be returning.
Reviewed on Oct 26, 2025

Grassy Flats Resort & Beach Club
58182 Overseas Hwy, Marathon, FL
Fully refundableReserve now, pay when you stay
$272 nightly
The price is $306 total per night from Dec 3 to Dec 4
$306 total
Dec 3 - Dec 4
Total with taxes and fees
9.4/10 Exceptional! (329 reviews)
Beautiful!! Gorgeous at night!
Reviewed on Nov 2, 2025

Gulf View Waterfront Resort
58743 OVERSEAS HWY, Marathon, FL
$143 nightly
The price is $161 total per night from Nov 13 to Nov 14
$161 total
Nov 13 - Nov 14
Total with taxes and fees
8.4/10 Very Good! (509 reviews)
Second time staying, very convenient for us
Reviewed on Oct 14, 2025
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.
Find the Best Grassy Key Vacation Packages
Grassy Key Essential Information
Language  | English | 
|---|---|
Currency  | U.S dollars | 
Closest Airport  | Miami Intl. Airport (MIA) | 
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* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages.



















