Vacation rentals in Grassy Key

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Top-rated vacation rentals in Grassy Key

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

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Top guest favorite
The eco-friendly two-story River Queen vessel is anchored in a calm harbor, showcasing a modern design. The structure features large windows and a rooftop terrace, with a wind turbine on the left. The surrounding landscape includes lush greenery, complementing the serene water view.
Boat in Tavernier
4.92 out of 5 average rating, 398 reviews

Island Sanctuary Islamorada

Stay aboard the eco-friendly two-story 63 ft River Queen with a 360 degree view with beautiful sunrises and sets, mored 1/8 mi offshore in a quite harbor close to shopping center, movie theater, hospital, bars & restaurants. A 10-foot dinghy with small outboard to come & go from shore "ONLY", nowhere else. I also offer Personal Training, deep tissue work & Life Coach sessions. I live on the vessel about a hundred yards from you so if there are any questions, etc. I will be there to assist you.

Guest favorite
Home in Marathon
4.92 out of 5 average rating, 76 reviews

Beach House, Private Pool, Dock, Gulf View Sunsets

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.

Top guest favorite
Home in Marathon
4.93 out of 5 average rating, 76 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!✨

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
4.83 out of 5 average rating, 110 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 covered Tiki Hut is featured at the waterfront, furnished with comfortable seating arrangements. Views of the water and dock are visible beyond the structure, framed by lush greenery and palm trees. The space is designed for relaxation and enjoyment of the serene surroundings.
Home in Key Colony Beach
4.93 out of 5 average rating, 140 reviews

Captain’s Quarters Ahoy Mateys! Florida, Keys

This is located at the Florida Keys in Key Colony, Marathon. It is a spacious two bedroom, two bathroom duplex surrounded by water. It is a renovated beauty and close to the best restaurants and the tranquility of this city. It is the perfect getaway where you can recharge your exhausted batteries. Captain’s Quarters is a clean and spacious base camp location for the many adventures that await you in this amazing location. Water views and the accessibility to the best fishing in the world.

Top guest favorite
A sunset view is captured from a covered outdoor seating area, showcasing a tranquil waterway. Silhouettes of kayaks and a table are visible, while the setting sun creates a warm glow across the horizon. Natural textures are evident in the thatched roof above.
Tiny home in Key Largo
4.97 out of 5 average rating, 211 reviews

My Little Oasis2 Waterfront Retreat, Key Largo

Million Dollar view at a fraction of the price! This property is on the water with amazing bay views. It includes one kayak for 2 people, paddle board, fishing rod, washer and dryer, kitchen with all cooking utensils. Note: The upstairs room is not comfortable for seniors or adults, the ceiling height is 4 feet (an adult has to walk on his knees). The property is located on a residential island, restaurants, bars, stores and grocery stores are within a 15 minute drive from the property.

Top guest favorite
A solar and wind powered houseboat is moored on calm waters, featuring bright yellow shutters and a roof deck. Wind turbines and an American flag adorn the top, contrasting with the soothing blue sky and fluffy clouds in the background.
Boat in Islamorada
4.93 out of 5 average rating, 384 reviews

360 DEGREE WATERVIEW HOUSEBOAT

IMPORTANT Enjoy your own private retreat aboard a solar and wind powered houseboat moored 1/2 mile from land in the beautiful Islamorada Please do not arrive after dark and NO night riding. Need experience with hand pull outboard motors a 12 foot skiff with a 6hp outboard motor is provided reliable to go back and forth from shore NOT reliable for exploring No hot water on shower, heat water in Tpots or Solar bags. Please shave before arriving No suitcases, least amount of cloths.

Guest favorite
Home in Marathon
4.87 out of 5 average rating, 30 reviews

P58 - Gulf Front Luxury 4 bedroom 4 bath with priv

This beautiful Polynesian style home offers 4 bedrooms, 4 baths, beautifully landscaped grounds and a large, private, heat optional pool. Ideally located on the open water of the Gulf of Mexico the views are unlike any other. Located in Grassy Key, this allows guests to be away from the hustle and bustle of Marathon traffic. - Maximum Occupancy: 8 guest (includes adults and children of any age) (*children of any age, including infants, count toward occupancy)

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
4.68 out of 5 average rating, 34 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, 52 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 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
4.87 out of 5 average rating, 115 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.

Superhost
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
4.91 out of 5 average rating, 34 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.

Popular amenities for Grassy Key vacation rentals

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