Grassy Key Holidays from £899
Book a Hotel + Flight or Car together to unlock savings
- Plan, book, travel with confidence
- Better togetherSave up to £750 when you book a flight and hotel together*
- Find the right fitWith over 300,000 hotels worldwide, it's easy to create a perfect package
- Rest easyPackages with flights are ATOL protected
Top Grassy Key Flight + Hotel Deals
Price found within the past 48 hours. Click for updated prices.
Grassy Key Essential Information
Language | English |
|---|---|
Currency | U.S dollars |
Closest Airport | Miami Intl. Airport (MIA) |
Top hotels in Grassy Key
Rainbow Bend Resort
57784 Overseas Hwy Marathon FL
Fully refundableReserve now, pay when you stay
£119
15 Sept - 16 Sept
includes taxes & fees
8.2/10 Very good! (1,005 reviews)
"Air conditioning did not work and when we asked they said that the cleaning service left the door open and here is a fan. Will not stay again"
Reviewed on 11 Sept 2026
Gulf View Waterfront Resort
58743 OVERSEAS HWY Marathon FL
£82
16 Sept - 17 Sept
includes taxes & fees
8.4/10 Very good! (613 reviews)
"Very clean,comfortable and peaceful stay. Can't recommend enough for families. Thank you so much 💓"
Reviewed on 3 Sept 2026
Grassy Flats Resort & Beach Club
58182 Overseas Hwy Marathon FL
£181
13 Oct - 14 Oct
includes taxes & fees
9.4/10 Exceptional! (497 reviews)
"Really disappointed that nobody emailed before we arrived to let us know that most of the resort would be closed down and that the resort would resemble a ghost town! That being said the rooms were lovely and clean. Not so much the communal areas they were quite tatty! The smell of the sargassum ..."
Reviewed on 13 Sept 2026
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.
What to do in Grassy Key
Marathon FL Sandbar Cruise & Sightseeing Adventure
£83
per adult
100% of travellers recommend
Frequently asked questions
How much does a Grassy Key travel package cost?
Browse and book everything in one place with our Grassy Key travel packages, which start from only £899. Select the hotels and flights that match your travel style. Then, add on some sightseeing activities for an unforgettable getaway.
If I'm not able to travel, can I cancel my Grassy Key travel package?
Whether it's your flight or hotel, you can cancel or amend it. Booked your Grassy Key travel package in the last 24 hours? You may be able to make any changes for free. For bookings older than that, you may incur a fee from your airline, hotel or car rental company. For further information, look up our Customer Service Portal. We're here to help you each step of the way.
How do I get a cheap travel package to Grassy Key?
Think of all the fun things you could do in Grassy Key with a wad of extra cash in your wallet. Watch your savings stack up when you bundle your airfare and hotel bookings into a Grassy Key travel package. You have plenty of choice when you book with Expedia too. In fact, you can select from over 550 airlines and 1,000,000 properties around the world. Whether you're holidaying with the entire family or travelling solo, planning a getaway to Grassy Key is better with a package.
Does Expedia offer Book Now, Pay Later Grassy Key holidays?
We certainly do. Expedia has teamed up with online lender Klarna to help you easily pay for your holiday in instalments. Simply choose the payment plan that suits you best during checkout and take away the stress of budgeting for your next trip. Be sure to bundle your flights, car hire and hotel with Expedia to get the biggest bang for your travel buck. Consider these flexible payment options below:
- Pay monthly holidays: Klarna offers manageable monthly payment plans that work for all budgets, so you can have that well-earned holiday now.
- Pay in instalments holidays: Like the idea of paying for your holiday in multiple transactions? Then go for this Book Now, Pay Later option from Klarna.
- Low deposit holidays: Clicking the "book now" button is easier with this payment option. Put down a small deposit on your holiday and then start packing your suitcase.
Where should I stay in Grassy Key?
A holiday in Grassy Key isn't complete without stopping by Dolphin Research Centre, Curry Hammock State Park and Crawl Key. Spend your nights near these sights and make sightseeing a breeze.
What are the top hotels in Grassy Key?
Secure a room at Faro Blanco Resort & Yacht Club. It's one of this neighbourhood's most in-demand hotels. Another reputable option in Grassy Key is Fairfield Inn & Suites by Marriott Marathon Florida Keys.
How far in advance should I book my Grassy Key holiday?
It's tricky picking the best time for airfares, but we usually say the earlier, the better. Many international journeys on Expedia become available to compare up to 12 months in advance. If you can't book ahead, don't despair. Bargain prices appear from time to time just weeks before departure dates.
What does an Expedia Grassy Key travel package include?
From flights and hotels to rental cars, Expedia can help you craft a Grassy Key package that suits you. Holidaying for a few weeks? Look into a flight, rental car and hotel bundle. If your break is short, a hotel and flight deal could be what you're after. Activities can also be added after you've booked. Our packages make it easy to save and plan.
What should I know before booking a Grassy Key travel package?
A package can be easier on the hip pocket than individually booking everything you need for your adventure. For example, bundle your hotels, flights and rental cars and save a packet. No matter your holiday goals, you'll find a package that suits your budget.
Can I choose my airline with a Grassy Key Expedia travel package?
Definitely. Expedia has over 550 partner airlines to pick from globally. With such a huge range of choice, finding the ideal carrier to fly you to Grassy Key will be a breeze.
Explore a world of travel with Expedia
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- Coral Lagoon Resort Villas & Marina by KeysCaribbean
- Pet & Family Friendly
- Hotels with Airport Transfers in Marathon
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- Manatee Bay
- Morton Manor
- Vaca Cut with 60' dock, 4br-4ba, 2 kitchens
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- P00
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- Salty Kisses Beach House
- Sombrero Beach Villa with Private Pool and Dock
- The Reef at Marathon
- Renovated 2BR Villa with Spa
- Marathon Hotels
- Villas in Marathon
- Flights to Duck Key
- Flights to Marathon
- Flights from Florida Keys Marathon
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- Flights from Houston (IAH) to Marathon (MTH)
- Flights from New York (JFK) to Marathon (MTH)
- Flights from Las Vegas (LAS) to Marathon (MTH)
- Flights from London (LGW) to Marathon (MTH)
- Flights from London (LHR) to Marathon (MTH)
- Flights from Orlando (MCO) to Marathon (MTH)
- Flights from Manchester (MHT) to Marathon (MTH)
- Flights from Miami (MIA) to Marathon (MTH)
- Flights from Melbourne (MLB) to Marathon (MTH)
- Flights from Oakland (OAK) to Marathon (MTH)
- Flights from Chicago (ORD) to Marathon (MTH)
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- Big Pine Key Holidays
- Calusa Beach
- Clarence S. Higgs Memorial Beach Park
- Curry Hammock State Park
- Visit Duck Key
- Duval Street
- Ernest Hemingway Home and Museum
- Everglades National Park
- Florida City Holidays
- Fort East Martello Museum and Gallery
- Fort Zachary Taylor Historic State Park
- Homestead Holidays
- Islamorada Holidays
- Jimmy Johnson's Big Chill
- Visit Key Colony Beach
- Key Largo Holidays
- Key West Holidays
- Golf Holiday Packages Duck Key
- Mallory Square
- Marathon Holidays
- Visit Marathon
- Smathers Beach
- Sombrero Beach
- South Beach
- Vaca Key
* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Flight-inclusive packages are ATOL protected.
