Add Listing
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Residential Income
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Key West, FL Duplexes for Sale

    8 results
    List
    Map
    Key West Legal Duplex
    $1,479,000
    1,428 SF

    Key West Legal Duplex

    1306 Virginia St, Key West, FL 33040

    Historic duplex in Old Town Key West with investment potential.

    • Legal Duplex in Old Town Key West – great investment opportunity or convert to a single‑family home.
    • X Flood Zone location.
    • Attic can be converted to add approximately 700 sq ft of living space.
    • Private driveway parking.
    • Aquifer on property for irrigation and landscape water source.
    Updated: Mar 2
    View details
    Key West Income Producing Duplex
    $1,100,000
    1,452 SF

    Key West Income Producing Duplex

    1018 Georgia St, Key West, FL 33040

    Renovated duplex in Old Town Key West with income potential.

    • Income‑producing duplex with strong rental income potential: Projected $7,800/month ($93,600 annually) with an estimated 8.5% cap rate.
    • Fully renovated and in turnkey condition with recent upgrades: new roof, siding, impact windows, updated kitchens and baths, and new flooring.
    • Prime Old Town Key West location: Centrally located directly across from Bayview Park ensuring consistent rental demand.
    • Two lockout units downstairs: Rear unit with large private backyard, and front unit, both offering separate rental opportunities.
    • X Flood Zone with ample space for a pool in the backyard.
    Updated: Feb 27
    View details
    Key West Residential Duplex
    $1,439,000
    1,904 SF

    Key West Residential Duplex

    Residential duplex with long-term rentals in place.

    1612 Laird St, Key West, FL 33040
    View details
    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 St, Key West, FL 33040
    View details
    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 St, Key West, FL 33040
    View details
    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 St, Key West, FL 33040
    View details
    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 Simonton St, Key West, FL 33040
    View details
    Key West Duplex with Income
    $1,075,000
    1,239 SF

    Key West Duplex with Income

    Well-maintained duplex in Key West with income potential.

    2004 Patterson Ave, Key West, FL 33040
    View details
    Based on your search, we've compiled 12 Potential Opportunities for your consideration. Besides 8 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.

    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
    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
    View details
    Waterfront Duplex Near Sombrero Beach
    $785,000
    834 SF

    Waterfront Duplex Near Sombrero Beach

    Updated half-duplex with new dock near Sombrero Beach.

    18 Man-O-War Dr, Marathon, FL 33050
    View details
    Waterfront Duplex Near Sombrero Beach
    $785,000
    834 SF

    Waterfront Duplex Near Sombrero Beach

    Updated half-duplex with new dock, ideal for rental income.

    17 Man-O-War Dr, Marathon, FL 33050
    View details

    Key West, FL Duplexes Investment Opportunities Market Analysis

    Explore 8 duplexes for sale in Key West, FL, showcased through 8 active listings on our real estate platform. These investment opportunities span a total of 25,265 square feet of properties for sale, with an estimated market value of $12,498,000.

    Sale prices for duplexes in Key West, FL start at $1,075,000, averaging $2,083,000, 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.

    List
    Map

    Browse Duplexes for Sale Near Key West, FL

    Popular Searches in Key West, FL

    Popular Categories

    Most Searched ZIP Codes in Key West, FL

    • 33040

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!