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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 Dockage
    Updated: Jul 13
    Canal-Front Duplex with Dockage

    126 N Indies Drive, Duck Key, FL 33050

    $1,875,000
    2,544 sqft 0.18 AC lot
    2,544 square feet with two side‑by‑side 2BD/2BA units
    70 feet of new composite dockage along Indies Canal
    Deep‑water access to both the Gulf and Atlantic
    Precast concrete construction with a new roof and new AC
    Unit 1 renovated with granite counters, stainless appliances, and updated baths
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    Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
    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.

    Three-Story Duplex with Fenced Yard
    Three-Story Duplex with Fenced Yard

    410 101St St Ocean, Marathon, FL 33050

    $622,500
    1,760 sqft 0.07 AC lot

    Deed-restricted housing residence with open living areas, covered parking, and central heating and air conditioning.

    View details
    Renovated Waterfront Duplex with Pool
    Renovated Waterfront Duplex with Pool

    Key Colony Beach, FL 33051

    $1,849,000
    2,540 sqft 0.15 AC lot

    Two renovated units each feature a full kitchen, with short-term rentals permitted.

    View details
    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.

    View details
    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

    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 two-family homes 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 Residential Income pricing trends in Monroe County

    Residential Income

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