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431 12th Street, Key Colony, FL 33051
$3,900,000
Property Type:
Residential
Bedrooms:
4
Baths:
4
Square Footage:
4,369
Lot Size (sq. ft.):
9,600
Status:
Active
Current Price:
$3,900,000
List Date:
4/01/2026
Last Modified:
4/13/2026
Description
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.
Open Houses
Saturday, April 18, 11:00 am - 1:00 pm
More Information MLS# 619302
Contract Information
Current Price: $3,900,000
Listing Date: 2026-03-23
Listing Board: Marathon/Lower Keys
List Price: $3,900,000
Location Tax Legal
Street #: 431
Street Name: 12th
Street Suffix: Street
Key/Island: Key Colony
State/Province: FL
Zip Code: 33051
County: Monroe
Subdivision: Coury Sub (53.5)
Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
General Property Description
Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 6
Pool: Yes
Year Built: 1993
Lot Size: 80 X 120
Lot SqFt: 9600
Lot Sqft Source: Property Data Card
Acres: 0.22
Living Apx SqFt: 4369
SqFt Source: Property Data Card
Total Bedrooms: 4
Full Baths: 4
Total Baths: 4
Rentals Allowed: Yes
Min Rental Days: 7
Status Change Info
Status: Active
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Dockage
Dock Length: 80
Dock: Composite
Building Style
Above Flood: Unknown
Stories: 2 Stories
Vehicle Storage
Car(s): 2
Pool Info
Heated: Yes
Property Features
Fee Includes: None
Tax Exemptions: None
Waterfront: Canal Front
Waterview: Canal View
Dockage: Boat Lift
Building Style: Split Level
Vehicle Storage: Garage; Attached; Guest Parking
Furnished: Negotiable
Cooling: Attic Fan; Ceiling Fans(s); Central Air
Utilities: Elect Separate Meter; FKAA; Municipal Sewer
Interior Features: Built-in Cabinets; Cathedral Ceilings; Drapes/Blinds Incl; Entrance Foyer; Granite Counter Top; Smoke Alarms; Split Bedroom; Storage; Walk-in Closet(s); Window Treatments
Specialty Rooms: Laundry Room
Appliances: Dishwasher; Disposal; Dryer; Ice Machine; Microwave; Range; Refrigerator; Washer
Exterior Features: Fencing; Gazebo; Lighting; Rain Gutters; Sprinkler System
Accessibility Feat: None
Pool Info: In Ground; Concrete
Construction: CBS; Concrete
Shutters: Other
Floor: Carpet; Tile
Roof: Metal Roof
Pets: Pets Allowed
Neighborhood Feature: Bike Paths; Fire Hydrant; Tennis Courts
Security: No Security
Land Size: Less Than 1/4 Acre
Terms: Cash; Conventional
Title: Title Ins - Buyer
Listing Office: Florida Keys Real Estate Group
Last Updated: April - 13 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.
