431 12th St Key Colony, FL $ 3,900,000
431 12th St
$ 3,900,000
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431 12th St

Key Colony, FL, 33051
$ 3,900,000
Bedrooms4 Baths4.0 Sq 4,369

Monthly Estimate*

$ 24,013

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Single Family Home for sale in Key Colony, FL for $3,900,000 with 4 bedrooms and 4 full baths. This 4,369 square foot home was built in 1993.

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.

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Single Family Active

Price

$ 3,900,000

Bedrooms

4

Full Bath

4

Property Type

Single Family

Taxes

$ 14,023

Style

Year Built

1993

Town/City

Key Colony

County/Region

Monroe

MLS | Web ID

A11992273

Features
General
Sewer Public Sewer
Heating Central
Cooling Attic Fan Central Air Ceiling Fan(s)
Possession Close Of Escrow
Roof Metal
Appliances Dryer Dishwasher Electric Range Microwave Refrigerator Washer
Garage Spaces 2
Patio/Porch Features Balcony Open Patio
Architectural Style Two Story Split Level
Pool Features Concrete Heated In Ground Pool
Security Features Smoke Detector(s)
Restrictions No Restrictions
Construction Materials Block
Pets Allowed No Pet Restrictions Yes
Year Built 1993
View Canal Pool
Stories Count 2
Levels Two Multi/Split
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Canal Access Canal Front No Fixed Bridges
Community Features Golf Golf Course Community Park Pickleball
County Monroe
Property Type Residential
Attached Garage true
Subdivision Name COURY SUBD
Facing Direction Southwest
Garage Y/N true
Total Rooms 0
Full Baths 4
Special Listing Conditions Listed As-Is
Status Active
Directions Overseas Highway to Sadowski Causeway. Turn right onto W Ocean Dr. Turn right onto 12th St to 431 12th St on the left.
City Key Colony
Disclosures None
Senior Community Y/N false
Zoning Description R-1A - Key Colony S
MLS Area 98 Florida Keys
Lot Size Units Square Feet
Lot Size Square Feet 9600
Listing Terms Cash Conventional
Year Built Details Effective Year Built
Tax Annual Amount 14023
MLS Area Minor Other Geographic Area (Out Of Area Only)
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/mia/A11992273
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
Legal Description LT 13 COURY SUBDIVISION PB7-13 KEY COLONY OR801-2296 OR892-197 OR929-1531 OR940-336 OR942-2002C OR1050-558 OR1072-1943 OR1096-2403 OR1171-55
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Interior
Interior Amenities Built-in Features Bedroom on Main Level Breakfast Area Dining Area Separate/Formal Dining Room Dual Sinks Entrance Foyer First Floor Entry Jetted Tub Separate Shower Upper Level Primary Walk-In Closet(s)
Flooring Carpet Ceramic Tile
Air Conditioning Y/N true
Heating Y/N true
Window Features Impact Glass
Half Baths 0
Total Bedrooms 4
Total Baths 4
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Exterior
Exterior Amenities Balcony Patio
Parking Features Attached Circular Driveway Driveway Garage Paver Block
Lot Features < 1/4 Acre
Water Source Public
Lot Size Area 9600
Building Area Total 5361
Frontage Length 80
Waterfront Y/N true
Covered Spaces 2
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* Excluded Features
List By
Florida Keys Real Estate Group

Broker

duckkeyfl7@gmail.com

Email

Affordability Calculator

$25,182
Per Month
95%
5%
0%
Monthly Principal & Interest
$24,013
Monthly Property Taxes
$1,169
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
Date Price Price Change Description
4/1/2026 $3,900,000 Listed Price

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431 12th St, Key Colony, FL, 33051 is a Single Family Home for sale at $3,900,000 with 4,369 sqft. 431 12th St has 4 bedrooms, 4.0 baths, and was built in 1993. The property's zip code is 33051 which is in Key Colony, FL