Vacation rentals in Grassy Key

Find and book unique accommodations on Airbnb

Top-rated vacation rentals in Grassy Key

Guests agree: these stays are highly rated for location, cleanliness, and more.

%{current} / %{total}1 / 1
Top guest favorite
A spacious sleeping area includes a king-sized bed with crisp white bedding and decorative pillows. Metal fish sculptures adorn the wall, complemented by two bedside lamps. A dark sectional sofa is positioned nearby, creating a comfortable seating area for relaxation.
Condo in Key Colony Beach
4.92 out of 5 average rating, 311 reviews

Key Colony Beach Luxury Condo, New Modern Interior

Private studio condo at Key Colony Beach with a private balcony, heated pool and sandy beach. Unit #15 was recently renovated and offers one comfy King size bed and a fully equipped kitchen with essentials (stove, oven, toaster, microwave, blender, fridge, cooking utensils). Wifi, Amazon Echo and a TV. Enjoy a short walk to Sunset Park next door to experience a stunning Florida Keys sunset. Guests also have access to a private beach with lounge chairs, patio tabales, tiki huts, and BBQ grills.

Guest favorite
A beach home with a turquoise roof is nestled among palm trees and tropical landscaping. Two sets of chairs in yellow and blue are positioned on the sandy area in the foreground, inviting relaxation. A private pool and lush greenery are visible in the background.
Home in Marathon
4.92 out of 5 average rating, 71 reviews

Beach House, Private Pool & Dock, Gulf Sunset view

You don’t come to the islands to stay in a town—you come to slow down. Welcome to our tropical keys beach home, tucked away from the traffic and noise of US Hwy #1. Sway with the palms on the wraparound deck, soak in wide-open panoramic bay views, and catch fiery sunsets right off your dock. Fire up the BBQ, brew a Keurig, float in the private pool, or cast a line from the 300’ private pier/dock. Easy going island living with ocean / gulf breezes, comfy beds, quality linens, Wi-Fi, and cable TV.

Superhost
A circular table is positioned on a covered deck, accompanied by four lounge chairs. The view extends to the calm waters beyond, framed by green trees on the coastline, under a clear blue sky. Ceiling fans hang above, providing a cooling breeze.
Villa in Marathon
4.83 out of 5 average rating, 104 reviews

Villa 5023 on Duck Key BOAT SLIP available

Boat slip available for additional $100 a night. Largest boat that can fit is 33 ft. Ask for availability. This villa boasts breathtaking sunsets, close to watersports, charter fishing, restaurants while being surrounded by one of the most exclusive island neighborhoods with lush landscaping. Duck Key is family-friendly, or it can be a serene couples retreat. Dine with Sunsets on the rear deck, or explore the world-class restaurants of the middle keys. Please NO Smoking indoors and NO pets.

Guest favorite
A spacious deck is visible, offering a view of the Gulf of Mexico and a nearby dock. Comfortable outdoor seating is arranged against the backdrop of lush greenery and a sandy shoreline, providing a relaxing setting to enjoy the scenery.
Home in Marathon
4.82 out of 5 average rating, 108 reviews

Beautiful Waterfront book now 2026 filling up fast

This property is like having your own private resort. We are on the Gulf of Mexico with a Million-dollar waterfront view & sunsets. 4BR + bonus room w/queen bed & futon. 2 full bathrooms 4 TVs. Pool, Private Dock. Watch the Dolphins daily. We a located next to the World-Famous Dolphin Research Center. House has wrapped around deck plenty of seating inside/out. Large private yard with plenty of room for all your needs. Walking distance to restaurant, marina. Kayaks/Paddleboards mostly available.

Top guest favorite
A wooden dock extends over calm waters, flanked by posts leading to a serene view of the sky at sunset. Lush palm trees are visible in the background, enhancing the tranquil atmosphere of the canal.
Guest suite in Key Colony Beach
4.99 out of 5 average rating, 122 reviews

Turtle-By-The-Sea: the Best Deal in KCB!

A perfect get-away for couples or budget travelers, Turtle-by-the-Sea is the best priced vacation rental or hotel room in the middle-keys. Together with its prime location and amenities there simply isn’t a better deal to be had! Bursting with Keys charm, this cozy retreat is the perfect place to relax & escape. Owners Mallory & Steve infused their love of the Keys & its surrounding ocean into every aspect of their waterside home. Shoot us a message & start planning your dream Keyscation!

Top guest favorite
A spacious outdoor porch features a round dining table surrounded by four chairs. A kayak is positioned nearby, and lush greenery and water views are visible in the background, enhancing the inviting outdoor space.
Villa in Duck Key
4.96 out of 5 average rating, 168 reviews

Beach House - Kayak 2/2.5 Villa - OS Slip/Ramp/Pkg

Welcome to Beach House Getaway, a charming villa tucked away on the serene island of Duck Key and perfectly situated in the heart of the Florida Keys. Nestled between Key Largo and Key West, Duck Key serves as a peaceful yet convenient base for your island getaway. Its central location means you’re just a short drive from some of the most iconic destinations in the Keys, including the natural wonders of Bahia Honda State Park, the famous waters around Islamorada, and the lively Key West.

Top guest favorite
An open living space is featured, highlighted by a round dining table surrounded by comfortable seating. A large television is mounted on the wall, while light-colored walls enhance the bright atmosphere. A serene coastal artwork depicting a pier adds a calming touch to the decor.
Home in Key Colony Beach
5 out of 5 average rating, 32 reviews

Bohemian Beach Bungalow

Cabana Club Access Included! Escape to our newly built 2-bd, 2-bath duplex in KCB, where relaxation meets luxury. Located on the golf course, this stylish home boasts professional decor with modern amenities. While not directly waterfront, ample parking for your boat/trailer. Fully equipped kitchen meets all your culinary needs. Savor effortless access to Havana Jacks, Cabana Club, and Sunset Park, all within walking/biking distance, making this the ultimate Florida Keys retreat

Superhost
A spacious patio is visible, featuring a round wooden table surrounded by four chairs. The view includes calm waters framed by palm trees and lush greenery, under a sky dotted with fluffy white clouds.
Townhouse in Duck Key
4.83 out of 5 average rating, 160 reviews

The Ocean Beckons! 2/2 Village at Hawks Cay 5047

The Village at Hawks Cay Villa 5047 on Sunset Village Drive is located on Duck Key. Let this astonishing villa be your home away from home for your Next Florida Keys vacation. Captivating decor with the Florida Key in mind will keep you both comfortable and relaxed for your much needed vacation. Sip on your favorite cocktails from the patio overlooking the water or enjoy the water directly from your Villa or walk the waters edge with nature on Duck Key as your own back yard.

Top guest favorite
An aerial view of the waterfront area shows vibrant turquoise waters and lush greenery. The scene includes several residential buildings along the coastline and a nearby marina, with boats visible on the water and the horizon illustrating a scenic expanse.
Home in Marathon
4.93 out of 5 average rating, 216 reviews

Oceanfront Tiny Villa in the Heart of the FL Keys

Welcome to your happy place in the beautiful Florida Keys! Our oceanfront villa is located on Duck Key right outside of Marathon and next to the world famous Hawks Cay Resort. Halfway between Key Largo and Key West, it’s the perfect location to explore all our island paradise has to offer. Enjoy world class fishing, diving and snorkeling or kick back with a cold beverage and enjoy a stunning sunset on one of our covered porches. And always remember…it’s 5 o’clock somewhere!!

Superhost
An outdoor area features a large chessboard with oversized pieces set up on a sandy surface. Colorful lounge chairs and palm trees are visible in the background, alongside a glimpse of the ocean. Additional games can be seen in the vicinity, enhancing the recreational space.
Cabin in Marathon
4.66 out of 5 average rating, 29 reviews

Viamarhe Cabin-Private beach, Kayak, yard games

If you are looking to enjoy the natural beauty, and romantic stay in a rear cabin with complete bath and kitchen independent of the main house but with a patio that shares the amenities of games and entertainment of a mini resort our Oceanfront small apartment is the place for you. You and your couple can enjoy the exclusivity this property will give you, like the 5 kayak and fishing rods, volleyball, chess, bowling, carbon and propane BBQ grill, and a fire pit.

Top guest favorite
A wooden dock extends over calm waters, featuring several brown adirondack chairs positioned for relaxation. Lush palm trees and tropical foliage line the shore, while a glimpse of a covered seating area and distant homes adds to the coastal atmosphere.
Home in Marathon
4.98 out of 5 average rating, 45 reviews

Oceanfront w/ Dock, Hot Tub & Secluded

Buchanan Keys Cottage Take a step back into “Old Keys” living. Once Upon A Tide; there was a sense of tranquility & peacefulness found throughout the Keys, like the one you will uncover when choosing to stay at this private, serene, 1/1 oceanfront cottage. Located on Grassy Key, this beautiful home is just 10 minutes from the City of Marathon. Far enough to be away from the hustle & bustle, but close enough to make a grocery/store run a “Keys breeze”.

Guest favorite
A welcoming entrance features a door labeled '8A' and is flanked by two red chairs with blue and white striped cushions. A small table rests between them, surrounded by potted plants. A window offers a glimpse of natural light within the unit.
Apartment in Marathon
4.86 out of 5 average rating, 111 reviews

Cozy Keys Efficiency 8a

Efficiency has a queen size bed, a 3-seat sofa and a small dining table with 2 chairs. Private bathroom. AC will keep you cool. Kitchen is fully equipped with 4 burner stove, microwave, medium size refrigerator with freezer. Enjoy the breezes on your patio, each unit has a gas BBQ grill and a picnic bench outside. Enjoy a swim in our shared pool. Optional boat slip can be rented for $25/night Efficiency has a 2 person maximum occupancy - no exceptions.

Popular amenities for Grassy Key vacation rentals

  1. Airbnb
  2. United States
  3. Florida
  4. Monroe County
  5. Marathon
  6. Grassy Key