Rare opportunity to own a legal duplex being sold as A Single Family Home in the heart of Key Colony Beach in the beautiful Florida Keys. Located just one street off the Atlantic Ocean, 340-350 E Ocean Drive offers exceptional space, boating access, and an amazing investment opportunity with flexibility at a competitive price designed to sell. With 5 bedrooms, 3 bathrooms, and over 2,900 sq ft of living space, this property provides the rare opportunity to own a large waterfront home while still benefiting from the layout of a legal duplex. Sold together as a single property, it offers incredible versatility for full-time living, vacation use, or income-producing investment. Boaters will appreciate 50 feet of dockage with dual docks, allowing space for multiple vessels. Buyer and buyers agent to verify all info

Jennifer Hamill

Coldwell Banker Schmitt RE Co

Welcome to Key Colony Beach, where life slows down and waterfront living feels effortless. This east facing canal front half duplex offers 37.5 ft of deep water dockage with quick access to both the Atlantic Ocean and Florida Bay through Vaca Cut.  Wake up to peaceful canal views, enjoy your morning coffee from the balcony, and spend your days boating, fishing, or relaxing under the lanai. The flexible owner's lockout adds excellent income potential while maintaining your private retreat.  Located close to Sunset Park, golf, tennis, pickleball, restaurants and with access to the Cabana Club's oceanfront pool, beach, and restaurant. Just a short drive from Marathon's private aviation hub at MillionAir.

Jesus Parra

Turnkey, fully furnished waterfront property with strong Airbnb income history. Enjoy 37.5 ft of dockage with unrestricted ocean access and a quick 5-minute ride to the Gulf and ocean side. Home sits above flood, helping reduce insurance and overhead. Features include a 2017 roof and a new water heater (2025). A rare opportunity for investors or buyers seeking effortless coastal living.

Yohan Miranda

Luxe Properties

Welcome to your Waterfront Paradise! This beautifully remodeled 2/2 is situated on a deep-water canal, 200' wide, with direct ocean access and no fixed bridges. Step outside to your private dock, complete with a 20,000 lbs. boat lift, making it effortless to get out on the water anytime you please. Inside, the home has been fully updated with modern finishes, and a stylishly renovated interior that's move-in ready. Major upgrades, including new A/C units (2025)and 2019 roof, ensuring comfort and long-term value. Relax under the 2023-built tiki hut, perfect for entertaining or unwinding. Even better, there are no rental restrictions, making this property an excellent opportunity for investors, seasonal rentals, or full-time living. This waterfront gem checks every box!

Robyn Fishbein

LoKation

A Piece of Paradise in Key Colony Beach!Discover island living at its best in this charming 2-bedroom, 1-bath coastal retreat nestled in the heart of Key Colony Beach. Inside, you’ll find bright open living spaces, granite countertops, tile flooring, and impact-rated windows and doors for comfort and peace of mind. Step outside to your lush private backyard, ideal for relaxing or entertaining.Enjoy exclusive membership to the Cabana Club, featuring a sandy beach, oceanfront pool, and seaside dining. With its solid rental history and prime location, this home offers both a serene escape and a savvy investment opportunity in the Florida Keys.

Maria Acosta

Keller Williams Capital Realty

Discover an exceptional D'Asign Source designer home in prestigious Key Colony Beach, set on a beautifully landscaped lot with effortless access to both the bay and the open ocean. This spacious 4 bedroom 4 bath, light-filled residence offers generous living areas with soaring ceilings and oversized windows that seamlessly connect the indoors with the stunning natural surroundings. The expansive ground floor is perfectly designed for entertaining and family living, featuring a large living room, gourmet kitchen, formal dining area, and a dedicated media room and one guest bedroom and a two-car garage currently used as a versatile game room. A whole-home stereo system adds to the refined ambiance throughout. Built with enduring quality, the waterfront home features all-concrete construction and a brand-new custom metal imitation barrel tile roof. At the heart of this private oasis lies a beautiful swimming pool with an inviting tiki hut -- an ideal retreat for family gatherings and relaxed entertaining. Complementing this is a deep-water dock equipped with a powerful 30,000-pound hydraulic boat lift, offering effortless access to the bay and beyond. Perfectly suited for a large family or those who love to host, this magnificent Key Colony Beach estate delivers space, luxury, and unparalleled waterfront living in one of the Florida Keys' most sought-after communities.

431 12th Street, Key Colony Beach FL 33051

431 12th Street, Key Colony Beach FL 33051

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