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For sale
  • Price cut: $80K (2/2)
    $2,495,000

    520 12th St, Key Colony Beach, FL 33051

    3beds
    1,584sqft
    : 
    Single Family Residence
    Built in 1985
    8,276.4 Square Feet Lot
    $-- Zestimate®
    $1,575/sqft
    $-- HOA

    What's special

    Bonus spaceNew metal roofBeautifully elevated single-family residenceSparkling poolLush tropical landscapingCustom cabinetryCustom bar
    Welcome to an exceptional island retreat in the heart of Key Colony Beach. This beautifully elevated single-family residence embodies refined coastal luxury, offering 3 bedrooms and 2 bathrooms, bonus space with no detail overlooked. Thoughtfully renovated, the home features a new metal roof, impact-rated windows and doors, elegant LVT flooring, designer lighting, custom cabinetry, and exquisite Cambria quartz countertops throughout.Outdoors, the property transforms into a private resort. Lush tropical landscaping and ambient exterior lighting set the tone, while an outdoor shower, custom bar, and sparkling pool create the perfect setting for entertaining or unwinding in complete privacy. Boating enthusiasts will appreciate 75 feet of concrete dockage with a composite step-down system, seamlessly blending function with style. An expansive, titled upper deck offers a sophisticated space for gatherings, sunset cocktails, and elevated island living.Ideally positioned just moments from the iconic Sunset Park, this residence delivers a rare combination of luxury, lifestyle, and location. A truly turnkey opportunity to own a distinguished piece of paradise in Key Colony Beach. Schedule your private showing today.
    30 days
    |
    1,112
    |
    28
    |

    Zillow last checked: 8 hours ago

    Listing updated: February 11, 2026 at 08:35am

    Listed by:

    Brenner Scheel Casey 305-783-3395,

    Florida Keys Real Estate Group

    Source: FLKMLS,MLS#: 618093MLS LogoOriginating MLS: Marathon/Lower Keys

    Tour with a local agent

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 2
    • Full bathrooms: 2
    Cooling
    • Central Air, Ceiling Fans(s)
    Appliances
    • Included: Washer, Disposal, Microwave, Range, Refrigerator, Dishwasher, Dryer
    Features
    • Built-in Cabinets, Quartz Countertops, Bar, Storage
    • Flooring: Tile, Laminate
    • Doors: Impact Rstnce Doors
    • Windows: Window Treatments, Other Windows/Doors, Impact Rstnce Window
    Interior area
    • Total interior livable area: 1,584 sqft

    Property

    Parking
    • Parking features: Garage, Covered
    • Has garage: Yes
    Features
    • Patio & porch: Open Porch/Balcony, Patio
    • Exterior features: Bar, Water Display, Storage, Outdoor Shower, Lighting
    • Has private pool: Yes
    • Pool features: In Ground, Fiberglass
    • Has view: Yes
    • View description: Canal
    • Has water view: Yes
    • Water view: Canal
    • Waterfront features: Canal Front, Waterfront, Dock: Concrete, Dock Length: 75
    Lot
    • Size: 8,276.4 Square Feet
    • Features: Less Than 1/4 Acre
    Details
    • Additional structures: Workshop
    • Parcel number: 00077500000000
    • Zoning: R-1A
    • Zoning description: Key Colony Single Family
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Single Family Residence
    Materials
    • CBS
    • Roof: Metal
    Condition
    • Updated/Remodeled
    • New construction: No
    • Year built: 1985

    Utilities & green energy

    • Electric: Elect Separate Meter
    • Sewer: Municipal Sewer, Public Sewer
    • Utilities for property: FKAA, Buyer to Verify

    Community & HOA

    Community
    • Features: Tennis Court(s), Other, Fire Hydrant
    • Security: Security System, Other
    • Subdivision: Key Colony Bch 2nd Addn (53.5)
    HOA
    • Has HOA: No
    • Services included: None
    Location
    • Region: Key Colony Beach

    Financial & listing details

    • Price per square foot: $1,575/sqft
    • Tax assessed value: $1,518,899
    • Annual tax amount: $14,634
    • Date on market: 1/13/2026
    • Listing terms: Seller Finance Psble,Conventional,Cash
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    Estimated market value

    Not available

    Estimated sales range

    Not available

    Not available

    Price history

    Price history
    DateEventPrice
    2/2/2026Price change$2,495,000-3.1%$1,575/sqft
    Source: FLKMLS #618093 Report a problem
    1/22/2026Price change$2,575,000-3.7%$1,626/sqft
    Source: FLKMLS #618093 Report a problem
    1/13/2026Listed for sale$2,675,000+57.4%$1,689/sqft
    Source: FLKMLS #618093 Report a problem
    12/18/2024Sold$1,700,000-3.7%$1,073/sqft
    Source: Key West AOR #612403 Report a problem
    12/10/2024Pending sale$1,764,999$1,114/sqft
    Source: FLKMLS #612403 Report a problem

    Public tax history

    Public tax history
    YearProperty taxesTax assessment
    2025$14,635 +139.2%$1,518,899 +142.4%
    2024$6,119 +3.4%$626,494 +3%
    2023$5,918 +3.1%$608,247 +3%

    Find assessor info on the county website

    BuyAbility℠ payment

    Est. payment
    $14,848/mo
    Principal & interest
    $12270
    Property taxes
    $1705
    Home insurance
    $873

      Climate risks

      Neighborhood: 33051

      Nearby schools

      GreatSchools rating

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