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For Sale
Listed on April 1, 2026

431 12TH ST

$3,900,000
4 Beds
4 Baths
4,369 sqft
2 Parkings
Lot size:
9,600 sqft
Annual Tax:
$14,023
Occupancy:
Contact Agent
Year Built:
1993
Property type:
House
#MLS:
A11992273

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.
Florida Keys Real Estate Group

Features & Details

Learn about the features and details of 431 12TH ST

Property Details

  • Property Type
    SingleFamilyResidence
  • Living Area
    4,369 sqft
  • Year Built
    1993
  • Lot Size
    9,600 sqft
  • Stories
    -
  • Annual Tax
    $14,023.00
  • List Date
    4/1/2026
  • Updated
    4/2/2026
  • Last Checked
    Recent
  • MLS Number
    #A11992273
  • Brokerage
    Florida Keys Real Estate Group
  • Postal Code
    33051
  • Area
    Monroe
  • City
    -

Additional Property Features

  • Occupancy
    CallAgent
  • List Price
    $3,900,000.00
  • Unit Number
    -
  • Construction
    Block
  • Heating
    Central
  • Fireplaces
    -
  • Garage
    2 Car Garage
  • Parking Type
    No
  • Pets Allowed
    No
  • Air Conditioning
    Attic Fan, Central Air, Ceiling Fans
  • Elevator
    No
  • Locker
    No
  • Swimming Pool
    Concrete,Heated,InGround,Pool
  • Patio
    Balcony,Open,Patio
  • Basement
    No
  • Den
    No
  • Central Vacuum
    No
  • Garage Type
    No

Additional Listing Information

  • Walk Score
  • Property Manager
    -
  • Utilities Included
    None
  • Furnished
    No
  • Assessment Year
    2025
  • Assignment
    No
  • Extras Included
    Dryer, Dishwasher, Electric range, Microwave, Refrigerator, Washer
  • Virtual Tour
    View virtual tour

Inside

  • Bedrooms & Baths
    4 Bed, 4 Bath
  • Bedrooms
    4
  • Full Bathrooms
    4
  • Ensuite
    Yes
  • Bathrooms
    4
  • Flooring
    Mixed

Price history

Learn about the price history of 431 12TH ST

Explore Monroe

Learn about the area around 431 12TH ST

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FAQs About 431 12TH ST

431 12TH ST, MLS® A11992273 has a size of 4369 sqft.

There are 4 bedrooms and 4 bathrooms in this House at 431 12TH ST, MLS® A11992273.

Yes, there is parking available with 2 spot(s).

Annual taxes for this home are $14,023 based on 2025 tax year reports.
Miami Association of REALTORS®
Based on information from the Miami Association of REALTORS®. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information.
©2025 Miami Association of REALTORS® all rights reserved.
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431 12TH ST
431 12TH ST