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    Key West, FL Triplexes for Sale

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    Stock Island, FL Sugarloaf Key, FL Cudjoe Key, FL
    Waterfront Duplex-Style Multifamily Home
    Updated: Mar 4
    Waterfront Duplex-Style Multifamily Home

    Key West, FL 33040

    $2,499,999
    3,568 sqft 0.27 AC lot
    Multifamily duplex‑style home with 3 fully self‑contained units plus a bonus suite
    Over 80' of concrete seawall with an 8,000 lb boat lift for direct access to open water
    Main upstairs unit: 3 bed/3.5 bath with private deck overlooking the canal
    Upgrades include new 5‑ton A/C with ductwork installed in 2024 for the main upstairs living area
    Downstairs unit has 2 bed/1 bath with new 3‑ton split A/C system installed in 2025
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    Mixed-Use Income Property
    Updated: Oct 4, 2025
    Mixed-Use Income Property

    405 Petronia Street, Key West, FL 33040

    $2,999,999
    1,596 sqft 0.05 AC lot
    Year built 1912 mixed‑use property in the heart of Old Town Key West
    Fully rented income‑producing setup with 2 residential units, an office, and a detached restaurant
    Includes multiple bedrooms and bathrooms: Bedroom 1, Bedroom 2 and Bathrooms 1–4
    Appliances include an oven
    Combo construction materials reported
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    Renovated Duplex with Lockout Units
    Renovated Duplex with Lockout Units

    1018 Georgia Street, Key West, FL 33040

    $999,999
    1,452 sqft 0.07 AC lot

    Turnkey, recently upgraded duplex with separate electric and two downstairs lockout units plus a tenant-occupied upstairs unit.

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

    1821 Harris Avenue, Key West, FL 33040

    $1,650,000
    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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    Corner Lot Triplex with Pool
    Corner Lot Triplex with Pool

    1320 6th Street, Key West, FL 33040

    $2,200,000
    2,096 sqft

    Triplex with three private units, a pool, and ample parking including a three-vehicle covered carport.

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    Based on your search, we've compiled 9 Potential Opportunities for your consideration. Besides 5 Active listings in Key West, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

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

    Triplex Compound with Private Dock
    Triplex Compound with Private Dock

    Islamorada, FL 33036

    $3,524,000
    3,524 sqft 0.16 AC lot

    Three separate residences, seven bedrooms total, plus a 70-foot concrete dock and private pool on a canal.

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    Waterfront Residences: Luxury & Income
    Waterfront Residences: Luxury & Income

    2394 Coco Plum Drive, Marathon, FL 33050

    $11,000,000
    12,198 sqft 1.31 AC lot

    Three designer homes on a waterfront parcel with income potential.

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    Mixed-Use Retail and Apartments
    Mixed-Use Retail and Apartments

    6799 Overseas Hwy, Marathon, FL 33050

    Contact for pricing
    4,858 sqft 0.24 AC lot

    Two-story concrete building with three retail/office units on the ground floor and three residential apartments above.

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    Oceanfront Property with Redevelopment Potential
    Oceanfront Property with Redevelopment Potential

    Islamorada, FL 33036

    $6,495,000
    1.10 AC lot

    200' oceanfront with triplex and vacant lot.

    View details

    Key West, FL Triplexes Market Trends and Statistics

    Explore 5 triplexes for sale in Key West, FL, showcased through 5 active listings on our real estate platform. These investment opportunities span a total of 12,399 square feet of properties for sale, with an estimated market value of $10,349,997.

    Sale prices for three-family homes in Key West, FL start at $999,999, averaging $2,069,999, and reaching up to $2,999,999 — 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 19
    Apartment buildings 14
    Triplexes 6
    Mobile home & RV parks 4
    Quadplexes 3

    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 $1.6M

    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 pricing trends across core commercial property types in Monroe County

    Retail

    Residential Income

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