Holiday rentals in Grassy Key

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Top-rated holiday rentals in Grassy Key

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Guest favourite
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, 72 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.

Guest favourite
A sandy beachfront is framed by palm trees, with the glistening Atlantic ocean in the background. A volleyball net is set up on the sand, along with multiple seating areas for relaxation, inviting guests to enjoy the tranquil environment and scenic views.
Home in Marathon
4.91 out of 5 average rating, 45 reviews

Viamarhe House-Private beach, Kayak, yard games

If you are looking to enjoy the natural beauty and the captivating views of the Florida Keys, our charming Oceanfront house is the place for you. Enjoy the breathtaking views of the sunrise and the starry night show over the beautiful Atlantic ocean. You and your family can enjoy the exclusivity this property will give you, Viamarhe is its own little resort, 5 kayak and fishing rods, volleyball, chess and bowling ground, Domino, Billiards, Ping-Pong, and Football. the propane BBQ grill, fire pit

Guest favourite
Home in Marathon
4.93 out of 5 average rating, 69 reviews

NEW!The Hideaway~Pool~Pickleball~Putt-Putt~Kayaks!

NEW RENO! Welcome to The Keys Hideaway! 🌴🍍 The ✨ONLY✨ house in Marathon with its own private Pickleball Court and 4-Hole Putt-Putt Course!! Live your dream getaway in this Gorgeous 3BR Paradise in the heart of the Florida Keys. Sip a cold drink by your private pool🍹, play Pickleball🎾, enjoy Putt-Putt⛳, paddle out on a Kayak🌅, enjoy a bike ride🚲, or play Ping-Pong🏓, end the day with a family cookout🔥 At The Hideaway, you’ll have it all, adventure, relaxation, and unforgettable memories!✨

Superhost
A row of townhomes is positioned along the water's edge, surrounded by well-maintained landscaping. Lush green trees provide shade, and the calm water reflects the serene environment. The horizon reveals a glimpse of distant trees and open water.
Apartment in Duck Key
4.88 out of 5 average rating, 116 reviews

Villa 5027 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 favourite
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.

Superhost
Home in Marathon
4.69 out of 5 average rating, 48 reviews

Ultra Quiet & Peaceful Getaway Marathon Treehouse

Welcome to THE FLORIDA KEYS TREEHOUSE IN MARATHON! A refuge among the trees, The Treehouse is a private and secluded getaway for family & friends, featuring two bedrooms, a super cozy living space, as well as a large deck. Surround yourself with shady trees and enjoy the ocean breeze as you soak in the beautiful Florida Keys. ✰ 3 mins to the nearest Public Boat Ramp ✰ 6 mins to Curry Hammock State Park ✰ 10 mins from Markets & Popular Restaurants Looking forward to hosting you!

Superhost
A serene outdoor space includes a private pool surrounded by a spacious deck. Palm trees frame the scene, casting shadows on the white tiles. A furnished sitting area can be seen nearby, offering a relaxing spot to enjoy the warm weather.
Home in Key Largo
4.75 out of 5 average rating, 8 reviews

Newely Renovated 3/2-private pool/dock/cabana club

Relax with the whole Coastal Luxury in Key Colony Beach – Brand New Pool & Dock! Welcome to your dream getaway in Key Colony Beach, Florida! This completely renovated (2025) 3-bedroom, 2-bathroom duplex is designed for relaxation and adventure. With 1,100 sq. ft. of beautifully upgraded living space, a brand-new private concrete pool, and dockage for up to a 35- foot boat, this home is the perfect blend of luxury and comfort. Private Pool – Heated & chilled - Free Cabana Club Access!

Guest favourite
Two glasses of red wine are positioned beside a bottle of 14 Hands Cabernet Sauvignon. The scene is set against a bright ocean view with palm trees swaying gently. The turquoise water enhances the serene atmosphere, inviting relaxation.
Home in Duck Key
4.93 out of 5 average rating, 208 reviews

Tiny Villa, Big Ocean Views| Breathtaking Sunsets

Welcome to your happy place in paradise! 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!!

Top guest favourite
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, Kayaks, 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 favourite
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.
Flat 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.

Guest favourite
A charming floating bungalow rests on calm waters, surrounded by an expansive horizon. Its thatched roof and large windows reflect a serene setting, while the gentle ripples of the water enhance the peaceful atmosphere.
Houseboat in Buttonwood Sound
4.96 out of 5 average rating, 27 reviews

Premium Floating Bungalow by Stay Ombi

Welcome to Stay Ombi, a fully off-grid escape on the gentle waters of Buttonwood Sound in the Florida Keys. Ombi offers three bungalows, crafted to immerse you in nature - without compromising on comfort. Guests are transported to the bungalow by boat (10-minute trip), which will be pre-stocked with all of your requested comforts. Our concierge team will work with you upon booking to plan one of the most unique experiences in the Keys.

Top guest favourite
A spacious bedroom features a king bed with light bedding and decorative throw pillows. Large windows offer unobstructed ocean views and allow natural light to fill the room. A comfortable seating area is positioned nearby, facing the beach and tiki huts.
Apartment in Key Colony Beach
4.91 out of 5 average rating, 202 reviews

Exquisite Oceanfront Paradise - Key Colony Beach

Experience a wonderful ocean view from our beachfront condo in Key Colony Beach. Newly renovated studio condo in Key Colony Beach, Florida Keys. Unit #10 offers one king bed, a fully equipped kitchen with full-size appliances and essentials, reliable WiFi, and a SmartTV for a comfortable stay. Enjoy the heated pool and private sandy beach just steps away. Sunset Park is next door-perfect for catching a beautiful Florida Keys sunset.

Popular amenities for Grassy Key holiday rentals

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