Skip main navigation
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
    $1,187,300 Zestimate®
    $612/sqft
    $4,474 Estimated rent

    Home value

    $1,187,300

    $1.06M - $1.33M

    $4,474/mo

    Zestimate® history
    Loading...

    Owner options

    List your home for rent

    $4,474/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $4,474/mo

    Rent Zestimate®

    Refinance and save

    $6,498/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $6,498/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    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: 8 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

    Nearby schools

    GreatSchools rating
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value$1,187,300
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $1,187,300