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$3,700,00060 days on marketActive

431 12th Street, Key Colony Beach, FL 33051

Key Colony Beach, FL
4
Beds
4
Baths
4,369
Sq Ft
$847
$/Sq Ft
1993
Year Built
2 car
Garage
0.22 acres
Lot Size

Listing Snapshot

List Price$3,700,000
Price / Sq Ft$847
Beds4
Baths4
Living Area4,369 sqft
Lot Size0.22 acres
Year Built1993
Property Tax$14,023/yr
MLS #1156483878
StatusActive
Days on Market60

About This Home

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.

General Features

Property Type
Residential
Sub-type
SingleFamilyResidence
Style
SplitLevel
Stories
2
Direction Faces
Southwest
Attached Garage
Yes
Garage Spaces
2
Parking
Attached,CircularDriveway,Driveway,Garage,PaverBlock
Zoning
R-1A - Key Colony S
Security
SmokeDetectors
Subdivision
COURY SUBD

Interior Features

Appliances
Dryer,Dishwasher,ElectricRange,Microwave,Refrigerator,Washer
Flooring
Carpet,CeramicTile
Heating
Central
Cooling
AtticFan,CentralAir,CeilingFans
Interior Features
BuiltInFeatures,BreakfastArea,Bathtub,DiningArea,SeparateFormalDiningRoom,DualSinks,EntranceFoyer,JettedTub,MainLevelPrimary,SoakingTub,SeparateShower,UpperLevelPrimary,WalkInClosets

Exterior Features

Construction
Block
Exterior Features
Balcony,OutdoorLivingArea
Roof
Metal
Patio / Porch
Open,Patio,Balcony
Pool
Yes
Pool Features
Concrete,Heated,InGround
View
Canal,Pool
Waterfront
Yes
Waterfront Features
CanalFront,NoFixedBridges

Community Features

Association Amenities
GolfCourse,PicnicArea
MLS Area
5940 - Other Florida County

Schools

ElementaryStanley Switlik
MiddleMarathon
HighCoral Shores

Map

Virtual Tour

View Virtual Tour
Listed by Kristen Brenner · Florida Keys Real Estate Group
MLS# 1156483878 · BEACH
Information deemed reliable but not guaranteed. © 2026 BEACH.

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Estimate Your Payment

$

20% down · Loan: $2,960,000

%
Est. Monthly$21,361
Principal & Interest$20,192
Property Tax$1,169

Estimate only. Does not include insurance or PMI. Rate is illustrative — contact us for current rates.

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