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    Key West, FL Multifamily Properties for Sale

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    33 properties
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    Duplex with Unfinished Third Floor
    Updated: Sep 23
    Duplex with Unfinished Third Floor

    646 William Street, Key West, FL 33040

    $1,400,000
    1,780 sqft 0.09 AC lot
    Two‑and‑a‑half‑story duplex with 1,780 square feet
    Four finished bedrooms and three bathrooms
    Unfinished third floor is not configured as living space
    0.09‑acre property zoned HHDR - Historic High Dens
    Built in 1928; frame construction with metal roof
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    Mixed-Use Property with Storefront
    Updated: Oct 9
    Mixed-Use Property with Storefront

    1011 Whitehead Street, Key West, FL 33040

    $3,795,000
    2,024 sqft 0.03 AC lot
    Three one‑bedroom residences, each with a kitchen and transient rental license
    Street‑level commercial storefront
    2,024 square feet on a 0.03‑acre lot
    Built in 1918
    Decks and porches provide private outdoor areas
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    Renovated Duplex
    Renovated Duplex

    1126 Grinnell Street, Key West, FL 33040

    $1,195,000
    875 sqft 0.03 AC lot

    Two independent one-bedroom residences share a private yard and updated kitchens within HNC(1-3) zoning.

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    Waterfront Duplex with Bonus Suite
    Waterfront Duplex with Bonus Suite

    Key West, FL 33040

    $2,499,999
    3,568 sqft

    Self-contained residences offer private entrances, kitchens, laundry areas, and air-conditioning systems for flexible occupancy arrangements.

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    Six-Unit Bed And Breakfast
    Six-Unit Bed And Breakfast

    223 Eanes Lane, Key West, FL 33040

    $6,999,000
    1,630 sqft 0.12 AC lot

    Licensed transient lodging with private baths, tropical landscaping, and an outdoor pool.

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    Four-Unit Quadplex with Pool
    Four-Unit Quadplex with Pool

    1501 Truman Avenue, Key West, FL 33040

    $3,750,000
    2,214 sqft 0.10 AC lot

    Three units carry transient rental licenses, while the fourth is leased monthly.

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    Duplex with Private Pool
    Duplex with Private Pool

    1516 17th Terrace, Key West, FL 33040

    $1,875,000
    2,423 sqft 0.30 AC lot

    Corner duplex with a detached guest cottage, fenced grounds, covered parking, and a private pool.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    1300 Ashby Street, Key West, FL 33040

    $1,350,000
    1,760 sqft 0.15 AC lot

    Updated duplex with separate living spaces and SF-1 zoning in Midtown.

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    Improved Four-Unit Quadplex
    Improved Four-Unit Quadplex

    1224 2nd Street, Key West, FL 33040

    $1,700,000
    3,000 sqft 0.16 AC lot

    Four two-bedroom residences span two levels, with extensive balcony space serving the upper-floor units.

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    2-Unit Duplex
    2-Unit Duplex

    1300 Ashby St, Key West, FL 33040

    $1,350,000
    1,760 sqft

    Two distinct living spaces offer residential flexibility, with window-unit cooling and vinyl flooring.

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    Short-Term Rental Property
    Short-Term Rental Property

    1401 Atlantic Boulevard, Key West, FL 33040

    $3,400,000
    2,530 sqft

    A three-residence setup pairs a monthly-rental home with two detached, transient-licensed guest suites.

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    Key West Duplex with Redevelopment Rights
    Key West Duplex with Redevelopment Rights

    3711 Eagle Avenue, Key West, FL 33040

    $825,000
    1,464 sqft 0.14 AC lot

    CBS construction, a metal roof, and off-street parking serve this residential property near schools, shopping, beaches, and Old Town.

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    Corner Duplex Lot with Cottage
    Corner Duplex Lot with Cottage

    2330 Staples Avenue, Key West, FL 33040

    $999,000
    693 sqft 0.15 AC lot

    Corner lot with a cottage and alley access, plus a demolished second unit ready for new construction.

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    Multifamily Property with Pool
    Multifamily Property with Pool

    1503 Atlantic Boulevard, Key West, FL 33040

    $1,095,000
    2,750 sqft 0.18 AC lot

    Renovation opportunity with a flexible multi-unit layout and concrete pool.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    1911 Seidenberg Avenue, Key West, FL 33040

    $1,250,000
    1,119 sqft 0.12 AC lot

    Legal duplex with separate metering, screened porches, off-street parking, and updated interiors in Key West.

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    Duplex with Studio Cottage
    Duplex with Studio Cottage

    2004 Patterson Avenue, Key West, FL 33040

    $899,000
    1,239 sqft 0.12 AC lot

    Two separate residences combine a primary home with a flexible studio cottage configuration.

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    Income-Generating Triplex with Three Units
    Income-Generating Triplex with Three Units

    1821 Harris Avenue, Key West, FL 33040

    $1,500,000
    3,687 sqft

    Three 3-bedroom, 2-bath units are currently leased on long-term terms, including a single-level front unit.

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    Oceanfront Duplex Property
    Oceanfront Duplex Property

    1430 Vernon Avenue, Key West, FL 33040

    $9,888,000
    2,071 sqft 0.20 AC lot

    Two-story property with HCT zoning, separate electric meters, and direct ocean frontage.

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    Apartment Building with Off-Street Parking
    Apartment Building with Off-Street Parking

    912 Pohalski Street, Key West, FL 33040

    $2,250,000
    3,876 sqft

    Six-unit apartment building with off-street parking and separate electric and water meters for each apartment.

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    8-Unit Apartment Property
    8-Unit Apartment Property

    818 Elizabeth Street, Key West, FL 33040

    $3,650,000
    3,797 sqft 0.13 AC lot

    Two buildings hold updated one-bedroom, one-bathroom residences in Old Town Key West.

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    Large Home with Potential
    Large Home with Potential

    530 White Street, Key West, FL 33040

    $1,890,000
    0.17 AC lot

    Triplex with large yard and renovation potential in Key West.

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    Six-Unit Apartment Building
    Six-Unit Apartment Building

    912 Pohalski Street, Key West, FL 33040

    $2,250,000
    3,876 sqft 0.08 AC lot

    Two-story multifamily property with individually metered apartments and dedicated off-street parking.

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    Four-Unit Short-Term Rental Property
    Four-Unit Short-Term Rental Property

    1501 Truman Avenue, Key West, FL 33040

    $3,750,000

    Three units hold transient licenses for nightly stays; the remaining unit is leased monthly.

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    9-Unit Apartment Property
    9-Unit Apartment Property

    818 Elizabeth Street, Key West, FL 33040

    $4,549,000
    5,317 sqft 0.18 AC lot

    Three buildings offer updated apartment layouts, with off-street parking for residents.

    View details
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    Key West, FL Multifamily Properties Market Trends and Statistics

    Explore 35 multifamily properties for sale in Key West, FL, showcased through 33 active listings on our real estate platform. These investment opportunities span a total of 65,924 square feet of properties for sale, with an estimated market value of $81,731,999.

    Sale prices for multifamily properties in Key West, FL start at $150,000, averaging $2,476,727, and reaching up to $9,888,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 12
    Apartment buildings 8
    Short term rental properties 7
    Quadplexes 4
    Triplexes 2

    Demographics Overview

    Population 36K
    Population Growth (5Y) +3.8%
    Median Household Income $79,038
    College Educated 17.6%

    High-Yield Neighborhoods for Investment

    Identify Key West submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    33040 $2.2M

    Taxes & Financing

    Tax Rate (average for all types) 0.71%
    Property Tax per SF $10.90 per SF
    Tax Rate vs County Average 0.03 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Monroe County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale Residential Income pricing trends in Monroe County

    Residential Income

    How Realmo verifies these figures

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    Browse Multifamily properties for Sale Near Key West, FL

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    Most Searched ZIP Codes in Key West, FL

    • 33040

    Featured Key West Real Estate Agencies

    Realmo connects you with licensed Key West CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    Berkshire Hathaway Keys Real Estate | Knight & Gardner Realty
    336 Duval St Key West, FL 33040
    Phone: 13052945155
    www.keysrealestate.com
    Truman & Co. Real Estate Services
    1205 Truman Avenue Key West, FL 33040
    Phone: 13052922244
    www.trumanandcompany.com
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