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Sold for $1,120,000
    • $1,120,000

    521 8th St, Key Colony Beach, FL 33051

    4beds
    4baths
    1,830sqft
    Duplex
    Built in 1994
    -- sqft lot
    $1,209,000 Zestimate®
    $612/sqft
    $4,437 Estimated rent

    Home value

    $1,209,000

    $1.08M - $1.37M

    $4,437/mo

    Zestimate® history
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    $6,779/mo

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    What's special

    Spacious 4 bed, 4 bath half duplex in the heart of Key Colony Beach. Built in 1994 with over 1,800 sq ft of living space, perfect for full-time living, vacation rental, or investment. Enjoy 37.5 ft of canal frontage with private dock—ideal for boating. Open living area, covered parking, storage, and lush tropical landscaping. Located in a resort-style community with parks, restaurants, golf course, and beach access. Strong rental potential in one of the most desirable neighborhoods in the Florida Keys.

    Zillow last checked: 7 hours ago

    Listing updated: July 22, 2025 at 09:45am

    Listed by:

    Victor Ruiz 305-301-0525,

    Move Miami, LLC.

    Bought with:

    Humberto Garcia Miranda, 3117433

    Avanti Way Realty LLC

    Source: MIAMI,MLS#: A11797921MLS LogoOriginating MLS: A-Miami Association of REALTORS

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 4
    Heating
    • Electric
    Cooling
    • Central Air, Electric
    Features
    • Flooring: Carpet, Terrazzo, Tile
    • Windows: Hurricane Shutters
    Interior area
    • Total structure area: 3,893
    • Total interior livable area: 1,830 sqft

    Property

    Parking
    • Total spaces: 4
    Features
    • Stories: 2
    • Exterior features: Balcony, Lighting, Tennis Court(s)
    • Waterfront features: Canal Front, Canal Width 81-120 Feet, Ocean Access
    • Frontage length: 37
    Lot
    • Features: Less Than 1/4 Acre Lot
    Details
    • Parcel number: 00075000000000
    • Zoning: Duplex

    Construction

    Type & style
    • Home type: MultiFamily
    • Property subtype: Duplex
    Materials
    • CBS Construction
    • Foundation: Raised
    • Roof: Barrel Roof,Curved/S-Tile Roof
    Condition
    • Year built: 1994

    Utilities & green energy

    • Sewer: Public Sewer

    Community & neighborhood

    Location
    • Region: Key Colony Beach
    • Subdivision: Key Colony Beach 1st Add

    Other

    Other facts
    • Listing terms: All Cash,Conventional,VA Loan

    Price history

    DateEventPrice
    7/22/2025Sold$1,120,000-10.3%$612/sqft
    Source: MIAMI #A11797921 Report a problem
    7/2/2025Pending sale$1,249,000$683/sqft
    Source: MIAMI #A11797921 Report a problem
    5/21/2025Price change$1,249,000+24.9%$683/sqft
    Source: MIAMI #A11797921 Report a problem
    5/8/2025Listed for sale$999,999+53.8%$546/sqft
    Source: MIAMI #A11797921 Report a problem
    8/5/2010Listing removed$650,000$355/sqft
    Source: Gail's Island Realty, Inc. Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$9,620 +2.8%$920,505 +10%
    2024$9,354 +9.2%$836,823 +10%
    2023$8,570 +14.4%$760,748 +10%

    Find assessor info on the county website

    Neighborhood: 33051

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    Estimated market value
    $1,209,000
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    Estimated market value
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