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    Key West, FL Duplexes for Sale

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    Lehigh Acres, FL Cape Coral, FL Port Charlotte, FL
    10 results
    Key West Income Producing Duplex
    $999,999
    1,452 SF

    Key West Income Producing Duplex

    1018 Georgia Street, Key West, FL 33040

    Renovated Key West duplex with strong income potential.

    • Income‑producing duplex with $7,700/month ($92,400 annually) projected income and an estimated 9.2% cap rate.
    • Fully renovated and in turnkey condition with recent upgrades including a new roof, siding, impact windows, updated kitchens and baths, and new flooring.
    • Located in Old Town Key West directly across from Bayview Park, ensuring consistent rental demand.
    • Features three units: two lockout units downstairs (projected at $2,800/month and $2,300/month) and an upstairs tenant‑occupied unit.
    • X Flood zone with a large private backyard offering room for a pool.
    Updated: Apr 17
    View details
    Waterfront Multifamily with Boat Lift
    $2,699,999
    3,568 SF

    Waterfront Multifamily with Boat Lift

    Key West, FL 33040

    Upgraded multifamily property with waterfront access and rental income potential.

    • Waterfront property with over 80' of concrete seawall and an 8,000 lb boat lift, providing direct access to open water and Geiger Key Marina.
    • Multifamily duplex‑style home with a bonus suite, offering flexibility for living, family, guests, or rental income.
    • Main upstairs unit features 3 bedrooms, 3.5 bathrooms, a large living room with a private deck overlooking the canal, and a fully equipped kitchen.
    • Each unit (main, downstairs, and bonus suite) is self‑contained with its own private living space, entrance, kitchen, laundry, and A/C.
    • Secure electric gated entry for the main unit with parking directly at the front door, plus additional gated access and gravel parking for downstairs units.
    Updated: Apr 8
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    Key West Duplex on Large Lot
    $1,250,000
    2,664 SF

    Key West Duplex on Large Lot

    Legal duplex on a spacious corner lot in Key West.

    1409 4Th Street, Key West, FL 33040
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    Key West Duplex Lot Opportunity
    $899,000

    Key West Duplex Lot Opportunity

    Spacious corner duplex lot with development potential in Key West.

    2330 Staples Avenue, Key West, FL 33040
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    Key West Duplex with Income
    $1,000,000
    1,239 SF

    Key West Duplex with Income

    Well-maintained duplex in Key West with income potential.

    2004 Patterson Avenue, Key West, FL 33040
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    Key West Legal Duplex Opportunity
    $1,395,000
    1,428 SF

    Key West Legal Duplex Opportunity

    Historic Key West duplex with investment and expansion potential.

    1306 Virginia Street, Key West, FL 33040
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    Historic Duplex Near Key West Beaches
    $1,249,000
    1,395 SF

    Historic Duplex Near Key West Beaches

    Charming duplex near Old Town, beaches, and gallery district.

    1209 Pearl Street, Key West, FL 33040
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    Key West Residential Duplex
    $1,354,000
    1,904 SF

    Key West Residential Duplex

    Residential duplex with long-term rentals in Key West, Florida.

    1612 Laird Street, Key West, FL 33040
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    Key West Multi-Family Homes
    $5,850,000
    3,010 SF

    Key West Multi-Family Homes

    Two homes near Duval Street with private pools and rental history.

    421 - 423 Simonton Street, Key West, FL 33040
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    Key West Legal Duplex
    $1,785,000
    1,932 SF

    Key West Legal Duplex

    Legal duplex in a quiet neighborhood, close to the beach.

    1505 Rose Street, Key West, FL 33040
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    Based on your search, we've compiled 14 Potential Opportunities for your consideration. Besides 10 Active listings in Key West, 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.

    Updated Duplex Near Harry Harris
    $799,000
    1,496 SF

    Updated Duplex Near Harry Harris

    Legal duplex near oceanfront park, updated with modern amenities.

    102 Harry Harris Drive, Key Largo, FL 33070
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    Oceanfront Multifamily with Rental Potential
    $2,345,000
    1,716 SF

    Oceanfront Multifamily with Rental Potential

    Oceanfront multifamily property with deepwater dockage and nightly rental approval.

    127 Seaside Avenue, Key Largo, FL 33037
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    Waterfront Duplex Near Sombrero Beach
    $770,000
    834 SF

    Waterfront Duplex Near Sombrero Beach

    Updated waterfront duplex near Sombrero Beach, ideal for rental income.

    17 Man-O-War Drive, Marathon, FL 33050
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    Waterfront Duplex Near Sombrero Beach
    $770,000
    834 SF

    Waterfront Duplex Near Sombrero Beach

    Updated half-duplex with new dock and open-water views.

    18 Man-O-War Drive, Marathon, FL 33050
    View details

    Key West, FL Duplexes Investment Opportunities Market Analysis

    Explore 10 duplexes for sale in Key West, FL, showcased through 10 active listings on our real estate platform. These investment opportunities span a total of 50,530 square feet of properties for sale, with an estimated market value of $17,582,998.

    Sale prices for duplexes in Key West, FL start at $999,999, averaging $1,953,666, and reaching up to $5,850,000 — 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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