Grassy Key Holidays

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    Better together
    Save up to S$134 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

Top hotels in Grassy Key

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 S$221 per night from 16 Jun to 17 Jun
S$221
16 Jun - 17 Jun
includes taxes & fees
8/10 Very Good! (657 reviews)
"We had a nice quiet stay,the room we had right at ocean front. Nice big comfy bed.Cold Air to get out of the heat.The people the run the resort were friendly and great.I highly recommend it."

Reviewed on 27 May, 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! (473 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 26 May, 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 S$372 per night from 22 Jun to 23 Jun
S$372
22 Jun - 23 Jun
includes taxes & fees
9.4/10 Exceptional! (284 reviews)
"Absolutely beautiful!! Room was great, views where amazing. Definitely plan on staying here again!"

Reviewed on 8 Jun, 2025

Grassy Flats Resort & Beach Club
See all 2,238 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 holiday 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 holiday 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 travellers like to book hotels within easy reach of top sights, like Dolphin Research Centre, 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 neighbourhood’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 holiday?
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 holiday 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 holiday plans, there’s sure to be a package within your budget.
Can I choose my airline with a Grassy Key Expedia holiday package?
With a holiday 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 holiday package?
Whether it’s your hotel, flight or rental car, you can cancel or change it. Locked in your Grassy Key holiday 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.

Popular places to visit

Sombrero Beach featuring a beach and general coastal views

Sombrero Beach

4.5/5(7 reviews)

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

Sombrero Beach

What to do in Grassy Key

Marathon: Rhum Runner Aqua Park Adventure

Marathon: Rhum Runner Aqua Park Adventure

S$48
per adult
Marathon: Rhum Runner Aqua Park Adventure
Marathon: Private Cable or Cable Kiteboarding Session

Marathon: Private Cable or Cable Kiteboarding Session

S$228
per traveller
Marathon: Private Cable or Cable Kiteboarding Session
Marathon: Intro to Foilboarding Experience

Marathon: Intro to Foilboarding Experience

S$275
per traveller
Marathon: Intro to Foilboarding Experience
See all activities in Grassy Key

* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Book Flight + Lodging, save up to 100% of flight price - Savings based on flight + lodging package prices as compared to the price of the same components available for booking separately before all discounts and rewards applied. Your bundled savings cover up to 100% of your flight. Savings vary based on origin/destination, length of trip, stay dates and travel suppliers. Savings not available on all flight + lodging package bookings.