431 12th Street, Key Colony Beach, FL

Key Colony Beach
Local realty services provided by:Atlantic Shores Realty Expertise ERA Powered
431 12th Street,Key Colony Beach, FL
$3,700,000
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  • 4 Beds
  • 4 Baths
  • 4,369 sq. ft.
  • Single family
  • Active
Listed by: kristen e. brenner
Office: florida keys real estate group
MLS#:A11992273
Source:RMLS

Price summary

  • Price:$3,700,000
  • Price per sq. ft.:$690.17

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...

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Home facts

  • Year built:1993
  • Listing ID #:A11992273
  • Added:29 day(s) ago
  • Updated:June 15, 2026 at 02:45 PM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:4
  • Full bathrooms:4
  • Flooring:Carpet, Ceramic Tile
  • Kitchen Description:Dishwasher, Microwave, Refrigerator
  • Living area:4,369 sq. ft.

Heating and cooling

  • Cooling:Attic Fan, Ceiling Fans, Central Air
  • Heating:Central
  • Central air:Yes

Structure and exterior

  • Roof:Metal
  • Year built:1993
  • Building area:4,369 sq. ft.
  • Architectural Style:SplitLevel
  • Construction Materials:Block
  • Exterior Features:Open, Patio

Schools

  • High school:Coral Shores
  • Middle school:Marathon
  • Elementary school:Stanley Switlik

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$3,700,000
  • Price per sq. ft.:$690.17
  • Tax amount:$14,023 (2025)

Features and amenities

  • Appliances:Dishwasher, Dryer, Microwave, Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Pool features:Concrete, Heated, In Ground

Parking

  • Parking description:Circular Driveway, Driveway, Garage, Paver Block
  • Garage:Yes
  • Garage spaces:2
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