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4 Bedroom Homes for Sale in Marathon, FL

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Welcome to your dedicated resource for 4 bedroom homes for sale in Marathon, FL. This page is your live portal for listings that match the exact homes for sale you demand, filtering out irrelevant properties to save you time. As a local Marathon, FL agent, Marc Plotkin specializes in the unique market dynamics of this area, offering insights into amenities, home values, and investment potential. Start exploring the 4 bedroom properties currently available below, or contact a local agent to discuss the details that matters most to your search.

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All 4 Bedroom Homes for Sale in Marathon, FL

4 Beds ⋅ 2 Baths ⋅ A12055919 MLS ⋅ Jg Estates BLDG.

Discover an incredible waterfront investment opportunity in the heart of the Florida Keys! Located in the desirable Grassy Key area of Marathon, this property offers the perfect blend of lifestyle and investment potential. Just minutes from world-class fishing, boating, waterfront dining, Sombrero Beach, Curry Hammock State Park, Dolphin Research Center, and all the best attractions the Keys have to offer. Whether you're looking for a family vacation home, a high-performing Airbnb investment, or your next luxury development project, this property checks every box. Includes APPROVED PLANS for a stunning modern waterfront residence, saving you valuable time! (5 bedroom / 5 Bathroom with Pool) Enjoy direct ocean access from your 22-foot private dock, making it ideal for boating enthusiasts. Situated on a peaceful canal-front lot in one of the Keys' most active development areas, this is a rare chance to build a luxury home in a market with strong demand. Comparable newly built waterfront homes in the area have achieved values of $3.8 million and higher, presenting an exceptional opportunity for significant return on investment. Don't miss your chance to own a premier waterfront property with endless potential in one of Florida's most sought-after destinations.

59733 Paradise Pl, Marathon

4 Beds ⋅ 2 Baths ⋅ B26053283 MLS ⋅ Sombrero Beach BLDG.

4/2 renovated waterfront home boasts private pool-new cutting edge technology (heater/chiller) for your enjoyment all year long, boat slip for vessels up to 50 ft. & parking! A TikiHut custom bar for making and enjoying libations al fresco. A tropical tree shaded fire pit area only steps from Award Winning Sombrero Beach. Mature vegetation that produces delicious coconuts, mouth watering mangoes & sea grapes for artisanal jelly production. A renovated Kitchen ideal for a cook's delight that features state of the art Cafe Appliances for all your culinary creations. This location is private, enclosed and parcel is ideal for expansion. Hurricane Impact Glass for safety. Home has been a successful vacation rental and is now available furnished and turn key. Location! Location! Location!

309 W Calzada De Bougainvillea, Marathon

4 Beds ⋅ 3 Baths ⋅ A12037474 MLS ⋅ Ocean E BLDG.

PRIVATE ISLAND INVESTMENT OPPORTUNITY IN THE FLORIDA KEYS! East Sister Rock is a rare, income-producing private island located just ¼ mile offshore from Marathon. Successfully operating as a luxury vacation rental and event venue for over 20 years, this one-of-a-kind property offers an exceptional blend of lifestyle, hospitality, and investment potential. Open to partnership and fractional ownership opportunities. A short boat ride across crystal-clear waters brings you to a self-sustaining tropical retreat featuring a 3BR/2BA main residence, detached guest house, a 100-foot deep-water dock capable of accommodating multiple vessels, helipad, wind and solar power, whole-house generator, and freshwater cistern. Guests enjoy world-class snorkeling, fishing, diving, kitesurfing, and watersports directly from the property. Wake to unobstructed Atlantic sunrises from the wraparound veranda and end each day with spectacular Florida Keys sunsets. Whether seeking a private family compound, luxury rental asset, event destination, or unique investment opportunity, East Sister Rock delivers an unparalleled ownership experience. Visit Floridaisland.com for details.

99 E Ocean E, Marathon

4 Beds ⋅ 3 Baths ⋅ A12036239 MLS ⋅ Coco Plum Beach BLDG.

Set within Coco Plum area of Marathon, this waterfront residence presents a rare opportunity to own a premier canal-front property in the Florida Keys. Offering direct boating access to open water, this home embodies the ultimate island lifestyle for the avid boater and coastal enthusiast. The property features a desirable waterfront setting, elevated construction, and an exceptional layout that provides the perfect bones to transform it into your dream home. With endless potential for customization, this residence is ideal for creating a modern coastal retreat or luxury Keys estate tailored to your vision. Located on a quiet, highly sought-after street, it offers both privacy and convenience, just minutes from beaches, dining, and all that Marathon has.

2100 Avenue H, Marathon

4 Beds ⋅ 3 Baths ⋅ A12028981 MLS ⋅ Buttonwoods Acres BLDG.

New on the market in the heart of Marathon, FL! This property offers a great opportunity to own in one of the most convenient areas of the Florida Keys, just minutes from local shops, dining, marinas, beaches, and island attractions. Conveniently located across from the airport, this home features a brand-new metal roof, a fully fenced yard, and zoning that allows short-term vacation rentals with a 7-night minimum. Whether you are looking for a personal Keys getaway, a second home, or an income-producing vacation rental, this property offers great potential. Enjoy the relaxed island lifestyle while also taking advantage of the strong rental demand in Marathon. RV and metal shed are not included in the sale.

780 95th Street Ocean, Marathon

4 Beds ⋅ 5 Baths ⋅ A12028272 MLS ⋅ Sunrise Isle BLDG.

Experience the rare combination of protected dockage and direct oceanfront living at 128 Sunrise Drive. Situated within an exclusive gated enclave of just 20 lots, this newly constructed 2025 waterfront residence offers a level of privacy, luxury, and lifestyle rarely found in the Florida Keys. Positioned to capture unobstructed ocean views and a year-round ocean breeze, this home offers an elevated coastal lifestyle with exceptional attention to detail throughout. Each bedroom features a private ensuite bathroom and spacious walk-in closet, while a true foyer entry, elevator, and abundant storage create a floor plan that is as functional as it is beautiful. The open concept living offers the perfect home to entertain and enjoy tons of natural light. The interior design offers high end tile selections, designer light fixtures and wood accents throughout. The home also features 3 interior bars and window treatments throughout. The living spaces seamlessly transition outdoors, where an expansive entertainment area is designed to embrace the Keys lifestyle. Enjoy a resort-style pool and hot tub, outdoor kitchen, and multiple spaces to relax while overlooking the waters of the Atlantic. A rare wade-in beach offers effortless access to the ocean, while protected dockage on the canal side provides a secure spot for your boat. Additional features include a one-car garage, oversized air-conditioned storage space, and a generous covered carport ideal for vehicles, boats, and more!

128 Sunrise Drive, Marathon

4 Beds ⋅ 4 Baths ⋅ A11978158 MLS ⋅ Coco Plum Beach BLDG.

A rare waterfront estate along a 200-foot wide canal with a 110-foot dock and direct ocean access, capturing the essence of Florida Keys living. Spanning over 3,200 square feet, this residence features four bedrooms and three-and-a-half baths, ideal for hosting family and guests in true island style. Inside, a dramatic grand staircase and soaring two-story great room create an inviting yet refined atmosphere. Walls of windows frame tranquil water views and fill the space with natural light, providing the perfect setting for entertaining or relaxing after a day on the water. The kitchen offers granite countertops, stainless steel appliances, and an open layout that seamlessly connects the living and dining areas. Outside, your private waterfront retreat awaits. The 110-foot concrete dock with dual 40-foot finger piers provides exceptional deep-water dockage for multiple vessels, including large yachts, with quick Atlantic access. Boaters will appreciate the floating jet ski and kayak docks, davits, fish-cleaning station, and ice machine. Surrounded by lush tropical landscaping, the heated pool and spa create a secluded oasis where island breezes and sunshine define everyday living. Whether enjoying mornings on the water, afternoons poolside, or evenings under the stars, this property delivers the luxury and lifestyle of the Florida Keys.

14 Avenue F, Marathon

4 Beds ⋅ 3 Baths ⋅ A11973480 MLS ⋅ Anglers At Sombrero BLDG.

Beautifully situated in iconic Sombrero Beach, this open-water retreat showcases breathtaking ocean views with ever-changing shades of turquoise and deep blue. Offering 4 bedrooms and 3 bathrooms, the home is filled with charm and coastal character. A covered lanai provides the perfect setting for outdoor dining and relaxation, while the upstairs sun deck invites you to soak in sweeping water views and refreshing sea breezes. The spacious outdoor area is ideal for entertaining or simply unwinding in your own private oasis. Located in a golf-cart-friendly, you can easily bike or walk to the grocery store and several of Marathon’s top restaurants—making this one of the most desirable areas in the Keys. Just a quarter of a mile away, you’ll also find a local golf course, adding even more recreational appeal right at your doorstep. Enjoy community gatherings at Sombrero Beach, including the famous Fourth of July celebration and fireworks. Weekly vacation rentals are permitted, offering excellent flexibility and income potential. Whether you're looking for a luxury vacation retreat, an income-producing property, or a full-time island residence, this is more than a home — it’s a lifestyle. A rare opportunity in one of Marathon’s most sought-after neighborhoods, where privacy, panoramic ocean views, nearby golf, and the relaxed island lifestyle blend seamlessly. No Association.

227 Sombrero Beach Rd, Marathon

4 Beds ⋅ 3 Baths ⋅ R11162784 MLS

Over 3400 sqft of Luxury Living is featured with this 2007 custom built CBS in the gated community of Stirrup Key Sub in Marathon. Elevated water views, a deeded boat slip, protected community marina, multiple outdoor living areas and a private pool. Designed for both everyday comfort and entertaining, this multi-level home offers generous interior space, flexible living areas, and a thoughtful indoor-outdoor layout. The ground level features a three-car garage, ample storage, and direct access to the pool area, creating an easy flow for relaxing, hosting, and enjoying the Keys lifestyle. The second floor serves as the main living level with two bedrooms, two full baths, a full kitchen, and open living and dining areas that extend onto a large screened lanai. This level is ideal for casual gatherings, quiet mornings, and evening breezes. The third floor offers a private primary suite, sitting area or fourth bedroom, bar/kitchenette, fireplace, spa-style bath, and an expansive lanai with peaceful elevated views. A spiral staircase leads to the fourth-floor widow's walk, finished with travertine flooring and a water hookup. From this vantage point, panoramic views stretch across Marathon and toward the Gulf, creating a quiet setting for sunrise, sunset, and open-air relaxation. A private nature path winds through preserved surroundings and leads to a Gulf-front observation dock, ideal for wildlife viewing and enjoying the surrounding natural setting. Additional features include a lift to the second floor for added convenience. Centrally located in Marathon, the home offers convenient access to shopping, dining, & daily necessities. With a deeded marina slip, elevated water views, pool, garage space, storage, multiple lanais, and a flexible custom layout, this property offers a rare combination of privacy, space, and boating access in Marathon. Schedule a private showing to experience this custom home and deeded marina slip in person.

205 Stirrup Key Boulevard, Marathon

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