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For sale
    • Price cut: $50K (6/22)
    $1,800,000

    600 12th St, Marathon, FL 33051

    4beds
    1,860sqft
    : 
    $10,284/mo
    Get pre-qualified
    Single Family Residence
    Built in 1971
    8,276 Square Feet Lot
    $1,738,100 Zestimate®
    $968/sqft
    $-- HOA

    What's special

    Large beautiful pool
    A rare opportunity to own a premier piece of Key Colony Beach real estate. This spacious 4-bedroom, 3-bathroom home boasts high-demand features, making it immediately rental-ready for excellent income potential. The outdoor space is a renter's (and owner's!) delight: a large, beautiful pool, a classic Tiki hut for tropical shade, and a substantial 75-foot dock on a deep-water canal with a 16k lb. boat lift for easy access to world-class fishing and diving in the Florida Keys. Storage is a breeze with a dedicated garage for a car or golf cart. Don't miss this chance to secure a powerful income-producing property or your private waterfront getaway.
    290 days
    |
    1,089
    |
    58
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Derrick A. Johnson 786-546-6678,

    Coco Plum Real Estate,

    Kelly M. Willey 305-771-1505,

    Coco Plum Real Estate

    Source: FLKMLS,MLS#: 617021MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 3
      • Full bathrooms: 3
      Appliances
      • Included: Dishwasher, Refrigerator, Range, Oven, Microwave
      Features
      • Flooring: Tile
      • Furnished: Yes
      Interior area
      • Total structure area: 1,860
      • Total interior livable area: 1,860 sqft

      Property

      Parking
      • Parking features: Garage
      • Has garage: Yes
      Features
      • Exterior features: Chickee Hut
      • Has private pool: Yes
      • Pool features: In Ground, Concrete
      • On waterfront: Yes
      Lot
      • Size: 8,276 Square Feet
      Details
      • Additional structures: Shed(s)
      • Parcel number: 00077460000000
      • Zoning: R-1A - Key Colony Single Family

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • CBS
      Condition
      • Year built: 1971

      Utilities & green energy

      • Utilities for property: Water Separate Meter, Elect Separate Meter

      Community & HOA

      Community
      • Subdivision: Key Colony Beach (53.5)
      HOA
      • Has HOA: No
      • Services included: None
      Location
      • Region: Marathon

      Financial & listing details

      • Price per square foot: $968/sqft
      • Tax assessed value: $1,410,387
      • Annual tax amount: $10,867
      • Date on market: 10/24/2025

        Estimated market value

        $1,738,100

        $1.65M - $1.83M

        $5,624/mo

        Price history

        DateEventPrice
        6/22/2026Price change$1,800,000-2.7%$968/sqft
        Source: Key West AOR #617021 Report a problem
        12/9/2025Price change$1,850,000-2.6%$995/sqft
        Source: Key West AOR #617021 Report a problem
        10/24/2025Listed for sale$1,900,000+12.4%$1,022/sqft
        Source: MLKAR #617021 Report a problem
        12/9/2024Sold$1,689,900-5.6%$909/sqft
        Source: FLKMLS #609901 Report a problem
        9/30/2024Contingent$1,790,000$962/sqft
        Source: MLKAR #609901 Report a problem
        6/10/2024Price change$1,790,000-5.8%$962/sqft
        Source: Key West AOR #609901 Report a problem
        5/29/2024Price change$1,900,000-9.5%$1,022/sqft
        Source: MLKAR #609901 Report a problem
        5/7/2024Listed for sale$2,100,000+14.3%$1,129/sqft
        Source: MLKAR #609901 Report a problem
        1/30/2024Listing removed--
        Source: Owner Report a problem
        11/1/2023Listed for sale$1,837,800-26.5%$988/sqft
        Source: Owner Report a problem
        12/3/2022Listing removed--
        Source: Key West AOR #601278 Report a problem
        6/4/2022Listed for sale$2,499,000$1,344/sqft
        Source: FLKMLS #601278 Report a problem
        5/6/2022Listing removed--
        Source: Owner Report a problem
        5/6/2022Price change$2,499,000-10.8%$1,344/sqft
        Source: Owner Report a problem
        4/5/2022Listed for sale$2,800,000+237.8%$1,505/sqft
        Source: Owner Report a problem
        10/17/2016Sold$829,000+49.4%$446/sqft
        Source: MLKAR #569941 Report a problem
        8/2/2002Sold$555,000$298/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$13,636 +25.5%$1,410,387 +36%
        2024$10,868 +6.3%$1,037,258 +10%
        2023$10,219 +12.5%$942,962 +10%
        2022$9,087 +9.9%$857,238 +10%
        2021$8,266 +7.6%$779,307 +4.3%
        2020$7,679 $747,141 +1.2%
        2019$7,679 +1.1%$737,981 -14.5%
        2018$7,595 -5.1%$863,356 +20.6%
        2017$8,007 +15.4%$716,082 +18.8%
        2016$6,936 +12.7%$602,779 -4.3%
        2015$6,152 $629,588
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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        Climate risks

        Neighborhood: 33051

        Getting around

        3 / 100
        Car-Dependent
        26 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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