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    Key Colony Beach, FL Duplexes for Sale

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    Waterfront Home with Rental Potential
    $2,499,000
    3,248 SF

    Waterfront Home with Rental Potential

    581 10 St, Key Colony Beach, FL 33051

    Six-bedroom waterfront home in Key Colony Beach with rental options.

    • Waterfront property with a 75' concrete dock on a 100' wide canal for quick ocean access.
    • Located in Key Colony Beach, enjoy upscale coastal living with beaches, golf, tennis, and more.
    • Updated with new impact doors and windows and a metal roof installed in 2023.
    • 6 Bedroom, 4 Bath, 3,248 sq. ft. home with a waterfront pool.
    • Zoned for duplex; convert with modifications.
    Updated: Feb 23
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    Waterfront Retreat in Key Colony
    $845,000
    1,040 SF

    Waterfront Retreat in Key Colony

    47 Sadowski, Key Colony Beach, FL 33051

    2-bedroom, 2-bath waterfront retreat with open bay views and docks.

    • Waterfront property on Bonefish Bay with spectacular open bay views.
    • Two private docks, one with a boat lift and the other a pull‑in slip.
    • Turnkey and fully furnished, including furniture, kitchenware, and essentials.
    • Updated kitchen with granite countertops and stainless appliances.
    • Ample parking with a long, palm‑lined paver driveway.
    Updated: Jan 26
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    Canal-Front Duplex with Rental History
    $3,395,000
    4,478 SF

    Canal-Front Duplex with Rental History

    7-bedroom duplex with income potential and waterfront access.

    580 10 St, Key Colony Beach, FL 33051
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    Furnished Duplex with Dockage
    $1,898,000
    2,528 SF

    Furnished Duplex with Dockage

    Turnkey duplex with deep water dockage and rental income potential.

    461 3 St, Key Colony Beach, FL 33051
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    Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 4 Active listings in Key Colony Beach, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Explore Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Multifamily Complex in Marathon, Florida
    $1,800,000
    3,017 SF

    Multifamily Complex in Marathon, Florida

    Multifamily complex with redevelopment potential in a high-demand location.

    13755 Overseas Hwy, Marathon, FL 33050
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    Charming Duplex in Little Venice
    $699,000
    907 SF

    Charming Duplex in Little Venice

    Versatile duplex in Marathon, Florida Keys, ideal for living/investment.

    487 116 St, Marathon, FL 33050
    View details
    Income Producing Duplex in Big Pine
    $759,000
    1,924 SF

    Income Producing Duplex in Big Pine

    Income-producing duplex with boating access in Big Pine Key, Florida.

    1433 Sunset Rd, Big Pine Key, FL 33043
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    Waterfront Duplex in Big Pine
    $987,500
    1,536 SF

    Waterfront Duplex in Big Pine

    Waterfront duplex with boating access, seawall, and investment potential.

    3962-3964 No Name Rd, Big Pine Key, FL 33043
    View details

    Key Colony Beach, FL Duplexes Investment Opportunities Market Analysis

    Explore 4 duplexes for sale in Key Colony Beach, FL, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 19,166 square feet of properties for sale, with an estimated market value of $5,242,000.

    Sale prices for duplexes in Key Colony Beach, FL start at $845,000, averaging $1,747,333, and reaching up to $2,499,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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