Holiday rentals in Grassy Key

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.

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.

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.

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

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!✨

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.

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

A spacious pool area is framed by tropical landscaping, showcasing a large, clear swimming pool. Sun loungers are arranged around the pool, providing places to relax. A tiki hut offers shaded seating options, enhancing the outdoor living experience with serene water views.

4.8 out of 5 average rating, 40 reviews

Luxury Waterfront Retreat with Dockage & Pool

Escape to our luxurious waterfront home, perfect for a family getaway or friends seeking the ultimate coastal experience! With 35' of private dockage and easy access to both the Atlantic and the Gulf, our property is a boater’s paradise. The home has recently been updated with all new hotel amenities, including linens, couches, rugs, patio furniture, and more. Extras throughout the home make your stay feel like you are at a luxury resort. The pool is heated in the winter as well. VACA-22-353

Superhost

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!

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.

4.93 out of 5 average rating, 222 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!!

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.

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”.

A private backyard features a hot tub and a shallow pool, surrounded by tropical greenery. Lounge chairs in teal are positioned nearby, and a grill is placed on the concrete patio. The canal is visible in the background, lined with palm trees.

4.94 out of 5 average rating, 48 reviews

Waterfront w/pool and hot tub

Professionally decorated, spacious, canal view keys home located in Key Colony Beach, the “Gem” of the Florida Keys. Featuring 2BR 2BA accommodating up to 6 ppl in a large & open living room & backyard, provided w/2 bikes, 2kayaks, grill, and 2 minutes walk to Sunset park, it is the perfect Florida Keys getaway for your family. This location is in the heart of the Florida Keys only 45 minutes from Key West and 35 minutes to Islamorada.

Houseboat in Buttonwood Sound

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.

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.

A vibrant sunset casts a warm glow over the outdoor area featuring a sheltered gazebo, surrounded by lush greenery and reflective water. Nearby, a modern living room is furnished with comfortable seating and a large screen, creating an inviting space for relaxation.

4.95 out of 5 average rating, 112 reviews

Coco Plum Waterfront Hideaway Home in Marathon

This Coco Plum home is the ultimate family getaway! With four bedrooms, two bathrooms, a modern living room with a 4K TV and surround sound, and an outdoor area that includes a fire pit, outdoor dining, and outdoor living space. The boat dock and breathtaking sunset views make this the perfect home for your fishing adventures. Beautiful Coco Plum beach is just a ten minute walk away. Make this home your next island adventure.