431 12th Street

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.

Listed by Florida Keys Real Estate Group · 305-743-8507

Listing data comes from the participating MLS and is provided for consumers’ personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Properties shown may be listed by brokerages other than Pure Equity Realty LLC, and are marked with the listing office’s name. Information is deemed reliable but is not guaranteed accurate by the MLS or by Pure Equity Realty LLC, and should be independently verified. Data last updated September 17, 2026.

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