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    Key Colony Beach, FL Duplexes for Sale

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    Waterfront Home in Key Colony Beach
    $2,750,000
    3,248 SF

    Waterfront Home in Key Colony Beach

    581 10 St, Key Colony Beach, FL 33051

    6-bedroom, 4-bath waterfront home with pool and dock.

    • 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: Jan 6
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    Canal-Front Duplex with Rental History
    $3,650,000
    4,478 SF

    Canal-Front Duplex with Rental History

    580 10 St, Key Colony Beach, FL 33051

    7-bedroom duplex with rental history and waterfront access.

    • Canal‑front property with 75 feet of concrete dockage and quick boating access to the Atlantic Ocean and the Gulf of Mexico.
    • Legal duplex with interior lockout offers flexibility as a single‑family home or two separate living spaces (5BR/4BA main residence and 2BR/2BA guest wing).
    • Proven income potential with a strong, established vacation rental history and currently an active rental.
    • Heated pool, spa, and covered poolside lanai create an inviting indoor‑outdoor living space.
    • Recent upgrades include complete concrete spalling repairs and fresh exterior repaint.
    Updated: Jan 8
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    Waterfront Retreat in Key Colony
    $865,000
    1,040 SF

    Waterfront Retreat in Key Colony

    2-bedroom, 2-bath waterfront property with private docks and bay views.

    47 Sadowski, Key Colony Beach, FL 33051
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    Furnished Duplex with Dockage
    $1,943,000
    2,528 SF

    Furnished Duplex with Dockage

    Turnkey duplex with rental income potential and deep water dockage.

    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
    View details
    Renovated Duplex on Deep Water
    $1,700,000
    1,854 SF

    Renovated Duplex on Deep Water

    Turnkey duplex in Marathon with ocean access and rental income.

    574-576 99 St, Marathon, FL 33050
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    Canal Front Duplex in Florida
    $899,000
    1,460 SF

    Canal Front Duplex in Florida

    Duplex with canal access, ideal for investment or personal use.

    31034 Hollerich Dr, Big Pine Key, FL 33043
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    Income-Producing Duplex in Big Pine
    $799,000
    1,924 SF

    Income-Producing Duplex in Big Pine

    CBS duplex with boating access and rental income potential.

    1433 Sunset Rd, Big Pine Key, FL 33043
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    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 $5,568,000.

    Prices for duplexes in Key Colony Beach, FL start at $875,000, averaging $1,856,000, and reaching up to $2,750,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Most Searched ZIP Codes in Key Colony Beach, FL

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