Grassy Key Vacations

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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 ￥14,607 per night from Sep 17 to Sep 18
￥14,607
￥23,046 total
Sep 17 - Sep 18
includes taxes & fees
8/10 Very Good! (724 reviews)
"Great"

Reviewed on Aug 21, 2025

Rainbow Bend 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 ￥32,895 per night from Sep 1 to Sep 2
￥32,895
￥37,006 total
Sep 1 - Sep 2
includes taxes & fees
9.4/10 Exceptional! (307 reviews)
"The staff were friendly and very helpful. The room was beautiful, clean, and spacious. The view from our room was amazing. The resort is right on the water and offers a serene and tropical ambiance. Would highly recommend!"

Reviewed on Aug 22, 2025

Grassy Flats Resort & Beach Club
Gulf View Waterfront Resort

Gulf View Waterfront Resort

2.5 out of 5
58743 OVERSEAS HWY, Marathon, FL
8.4/10 Very Good! (486 reviews)
"This is a fairly clean place. It has a great location to the water with jet ski rental at the property. The only real issue is the rooms are extremely noisy. We could here every step of the occupants above us and the highway noise was very loud in the room."

Reviewed on Jul 18, 2025

Get rates
Gulf View Waterfront Resort
See all 2,306 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.

Discover the most popular places to visit in Grassy Key

Sombrero Beach which includes a beach and general coastal views

Sombrero Beach

Play beach games; go swimming, kayaking or snorkeling; and lounge in the sun at one of Marathon’s most visited beaches.

Sombrero Beach
Seven Mile Bridge showing general coastal views and a bridge

Seven Mile Bridge

Walk, jog, cycle or drive across one of the longest bridges in North America to take in the scenic ocean views it provides.

Seven Mile Bridge

What to do in Grassy Key

Marathon: Rhum Runner Aqua Park Adventure

Marathon: Rhum Runner Aqua Park Adventure

￥5,560
per adult
Marathon: Rhum Runner Aqua Park Adventure
Marathon: Intro to Foilboarding Experience

Marathon: Intro to Foilboarding Experience

￥31,617
per traveler
Marathon: Intro to Foilboarding Experience
Thumbs up!

Mangroves and Manatees - Guided Kayak Eco Tour

￥9,866
per adult
96% of travellers recommend
Mangroves and Manatees - Guided Kayak Eco Tour
See all activities in Grassy Key

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.
* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages.