Grassy Key Vacations

Book a Hotel + Flight or Car together to unlock savings

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    Better together
    Save up to ₩234,741 when you book a flight and hotel together*
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    Find the right fit
    With over 300,000 hotels worldwide, it's easy to create a perfect package
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    Rest easy
    Plan, book, and manage your trip all in one place

Find the Best Grassy Key Vacation Packages

Grassy Key Hotel Deals

Rainbow Bend Resort
Rainbow Bend Resort
2.5 out of 5
57784 Overseas Hwy, Marathon, FL
Fully refundableReserve now, pay when you stay
The price is ₩207,011 per night from Jul 7 to Jul 8
₩207,011
₩294,557 total
Jul 7 - Jul 8
includes taxes & fees
8/10 Very Good! (664 reviews)
"Beautiful property! The staff were very attentive, with excellent communication. Very relaxing stay, I’d recommend!"

Reviewed on Jun 18, 2025

Rainbow Bend Resort
Gulf View Waterfront Resort
Gulf View Waterfront Resort
2.5 out of 5
58743 OVERSEAS HWY, Marathon, FL
8.4/10 Very Good! (474 reviews)
"We enjoyed our stay. Room clean. No room service. A little old property, but nice. No beach, in walking distance. Like beach with sand"

Reviewed on May 26, 2025

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Gulf View Waterfront Resort
Grassy Flats Resort & Beach Club
Grassy Flats Resort & Beach Club
2.5 out of 5
58182 Overseas Hwy, Marathon, FL
Fully refundableReserve now, pay when you stay
The price is ₩328,394 per night from Jun 29 to Jun 30
₩328,394
₩369,440 total
Jun 29 - Jun 30
includes taxes & fees
9.4/10 Exceptional! (285 reviews)
Excellent
"We enjoyed our stay in Grassy Flats. The staff were very helpful when our hire car broke down!"

Reviewed on Jun 19, 2025

Grassy Flats Resort & Beach Club
See all 2,229 properties in Grassy Key
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.

Frequently asked questions

How much does a Grassy Key vacation package cost?
Starting from just , a package is your portal to low-priced travel. Custom build your Grassy Key trip by selecting from our wide range of airfares, hotels and rental cars.
How do I get a cheap travel package to Grassy Key?
Search for flights that fit your schedule, add a hotel room to your booking and watch how much you save with a Grassy Key vacation package. It's that simple! From hotels and flights to activities and rental cars, Expedia is where your cheap getaway begins. And with over 550 air carriers and 1,000,000 hotels around the world to pick from, you'll never be short of choice.
Where should I stay in Grassy Key?
Close to the action. Many travelers like to book hotels within easy reach of top sights, like Dolphin Research Center, Curry Hammock State Park and Crawl Key.
What are the top hotels in Grassy Key?
Make a reservation at Gulf View Waterfront Resort. It's one of this neighborhood's most popular hotels. Another highly rated option in Grassy Key is Sun Outdoors Marathon.
How far in advance should I book my Grassy Key vacation?
It's difficult to pick the ideal time for airfares, but we normally say the earlier, the better. Many international flights on Expedia become available to compare up to a year in advance. If you can't book ahead, don't stress. Budget prices appear from time to time within a few weeks of departure dates.
What does an Expedia Grassy Key travel package include?
It all depends on what sort of escape you want to have. Grassy Key vacation deals can include hotels, flights and car rentals. You can mix and match to find the travel package that suits you. You can also add on experiences and activities after you've booked to get even bigger discounts.
What should I know before booking a Grassy Key travel package?
A package can be easier on the wallet than individually booking everything you need for your getaway. For example, bundle your hotels, flights and rental cars and save a tidy sum. No matter your vacation plans, there's sure to be a package within your budget.
Can I choose my airline with a Grassy Key Expedia vacation package?
With a vacation package, you're the boss. Whether you're looking to fly to Grassy Key in economy or first class, simply choose from the available airline options. Expedia has access to more than 550 partner airlines worldwide.
If I'm not able to travel, can I cancel my Grassy Key vacation package?
Whether it's your hotel, flight or rental car, you can cancel or change it. Locked in your Grassy Key vacation package in the last 24 hours? You may be able to make changes for free. For bookings made more than 24 hours ago, you may incur a fee from your hotel, airline or car rental company. For more information, take a look at our Customer Service Portal. We're here to help you every step of the way.

Discover the most popular places to visit in Grassy Key

Crane Point Museum and Nature Center featuring general coastal views

Crane Point Museum and Nature Center

4.5/5(35 reviews)

You can spend an afternoon exploring the galleries in Crane Point Museum and Nature Center in Marathon. Discover the area's beautiful sunsets, or seek out its jogging trails.

Crane Point Museum and Nature Center

Captain Hooks Marina and Dive Center

4.5/5(65 reviews)

Explore the waterfront of Captain Hooks Marina and Dive Center and enjoy other activities such as running in Marathon. Wander the beautiful beaches and seaside in the area.

Captain Hooks Marina and Dive Center
* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages.