About 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.
Features of 431 12th Street
| MLS® # | 619302 |
|---|---|
| Price | $3,700,000 |
| Bedrooms | 4 |
| Bathrooms | 4.00 |
| Full Baths | 4 |
| Square Footage | 4,369 |
| Acres | 0.22 |
| Year Built | 1993 |
| Type | Residential |
| Sub-Type | Single Family Residence |
| Status | Active |
Community Information
| Address | 431 12th Street |
|---|---|
| Area | 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony |
| Subdivision | Coury Sub (53.5) |
| City | Key Colony |
| County | Monroe |
| State | FL |
| Zip Code | 33051 |
Amenities
| Amenities | Fire Hydrant, Bike Paths |
|---|---|
| Utilities | FKAA, Municipal Sewer, Elect Separate Meter |
| Parking Spaces | 2 |
| Parking | Garage, Attached, Guest Parking |
| View | Canal View |
| Is Waterfront | Yes |
| Waterfront | Canal Front |
| Has Pool | Yes |
| Pool | In Ground, Concrete |
Interior
| Interior Features | Drapes/Blinds Incl, Cathedral Ceilings, Split Bedroom, Entrance Foyer, Built-in Cabinets, Granite Counter Top, Smoke Alarms, Storage, Walk-in Closet(s), Window Treatments |
|---|---|
| Appliances | Washer, Dryer, Dishwasher, Refrigerator, Range, Microwave, Disposal, Ice Machine |
| Cooling | Central Air, Ceiling Fans(s), Attic Fan |
| Fireplace | No |
| Stories | 2 Stories |
| Has Basement | No |
Exterior
| Exterior Features | Fencing, Gazebo, Rain Gutters, Lighting, Sprinkler System |
|---|---|
| Lot Description | Less Than 1/4 Acre |
| Windows | Other Windows/Doors, Impact Rstnce Window, Impact Rstnce Doors |
| Roof | Metal Roof |
| Construction | CBS, Concrete |
Additional Information
| Date Listed | March 23rd, 2026 |
|---|---|
| Days on Market | 52 |
| Zoning | R-1A - Key Colony Single Family |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Agent | Brenner Scheel Casey |
|---|---|
| Office | Florida Keys Real Estate Group |