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    Duck Key, FL
    Duplex

    Duck Key, FL Duplexes for Sale

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    Marathon, FL Conch Key, FL Key Colony Beach, FL Islamorada, FL Plantation Key, FL
    Canal-Front Duplex with Private Dockage
    Updated: Jul 13
    Canal-Front Duplex with Private Dockage

    126 N Indies Drive, Duck Key, FL 33050

    $1,875,000
    2,544 sqft 0.18 AC lot
    Two side‑by‑side, self‑contained units in a complete duplex
    70 feet of new composite dockage with deep‑water access to the Gulf and Atlantic
    New roof and new AC plus precast concrete construction throughout
    Unit 1 fully renovated with granite counters, stainless appliances, and updated baths
    Unit 2 has upgraded tile floors with kitchen and baths ready for your finish
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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 5 Potential Opportunities for your consideration. Besides 1 Active listings in Duck Key, 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.

    Updated Duplex with Two Units
    Updated Duplex with Two Units

    285 A 66Th Street, Marathon, FL 33050

    $775,000
    1,770 sqft 0.12 AC lot

    Two residential units feature refreshed kitchens, bathrooms, flooring, and electrical systems.

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    Half-Duplex with Boat Slip
    Half-Duplex with Boat Slip

    Key Colony Beach, FL 33051

    $999,000
    1,264 sqft 0.08 AC lot

    Three-bedroom residence with screened outdoor space, central air, and access to a private 30-foot boat slip.

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    Two-Bedroom Half Duplex
    Two-Bedroom Half Duplex

    250 66Th Street, Marathon, FL 33050

    $295,000
    783 sqft 0.05 AC lot

    Fenced grounds, front-yard parking, and a metal roof support this CBS-built residential property.

    View details
    Updated Duplex with Metal Roof
    Updated Duplex with Metal Roof

    Key Colony Beach, FL 33051

    $594,000
    1,031 sqft 0.08 AC lot

    Elevated two-bedroom half duplex with two bathrooms, a granite-finished kitchen, private balcony, and flexible lower-level living area.

    View details

    Duck Key, FL Duplexes Market Trends and Statistics

    Explore 1 duplexes for sale in Duck Key, FL on our real estate platform. These investment opportunities span a total of 2,544 square feet of properties for sale, with an estimated market value of $1,875,000.

    Sale prices for duplexes in Duck Key, FL average $1,875,000 — 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 1
    Short term rental properties 1

    Demographics Overview

    Population 11K
    Population Growth (5Y) +12.2%
    Median Household Income $83,243
    College Educated 49.3%

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    Marathon - 33050 $1.9M

    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

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