431 12th Street, Key Colony, FL 33051 (MLS# 619302)

431 12th Street, Key Colony, FL 33051

$3,700,000

Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 4,369 Lot Size (sq. ft.): 9,600 Status: Active

Current Price: $3,700,000 List Date: 4/01/2026 Last Modified: 9/02/2026

Overview

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 a ... (Read more)

Listing Details MLS# 619302

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

Contract Information

Listing Board: Marathon/Lower Keys

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 6
Pool: Yes
Year Built: 1993
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

Association Info

Mandatory Home Owners Asc: No
1st Right of Refusal: No

Dockage

Dock Length: 80
Dock: Composite

More Information

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: September - 02 - 2026

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