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    Marco Island, FL
    Duplex

    Marco Island, FL Duplexes for Sale

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    Naples, FL Goodland, FL
    Two-Unit Duplex with Private Garages
    Updated: Dec 18, 2025
    Two-Unit Duplex with Private Garages

    821 Palm St, Marco Island, FL 34145

    $1,800,000
    3,754 sqft 0.35 AC lot
    2‑unit property in Old Marco with direct Gulf access, seawall, private boat dock, and canal views with frequent osprey activity
    Fully furnished Unit A with 2 bedrooms, private balconies, loft with full laundry room, and balcony in kitchen/dining/living layout
    Newly remodeled Unit B with 3 bedrooms, quartz counters, tile floors, wine cooler, and in‑unit washer & dryer
    Each unit has a private garage plus individual water and power connections, and there are four separate A/C units
    Private pool, screened balconies and decks, plus 6+ parking spaces and a large walk‑out basement with storage cabinets
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    This listing looks promising.

    Here's a quick look at some key insights for

    821 Palm St, MARCO ISLAND, FL 34145

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    • Est. Cap Rate

      3.1%
      NOI ÷ price

    • Est. NOI

      $55K
      Annual

    • Price @ 7% Cap

      $792K
      Suggested

    • Property Type

      Duplex
      Built 1987
    View Property Analytics
    Based on your search, we've compiled 5 Potential Opportunities for your consideration. Besides 1 Active listings in Marco Island, 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.

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    $525,000
    1,664 sqft 0.33 AC lot

    Naples duplex with current income and potential for increased revenue.

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    Attached Villa End Unit
    Attached Villa End Unit

    1403 Oceania Dr S, Naples, FL 34113

    $449,900
    1,544 sqft 0.11 AC lot

    End unit attached villa with water view, 2 bedrooms, den, and an attached two-car garage in a gated community.

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    Single-Family Cottage in Gated Community
    Single-Family Cottage in Gated Community

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    $570,000
    1,308 sqft

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    Naples Manor Duplex For Sale
    Naples Manor Duplex For Sale

    5395 Carolina Ave, Naples, FL 34113

    $580,000
    0.27 AC lot

    Duplex with four bedrooms, four baths, and large driveway.

    View details

    Marco Island, FL Duplexes Market Trends and Statistics

    Explore 1 duplexes for sale in Marco Island, FL on our real estate platform. These investment opportunities span a total of 3,754 square feet of properties for sale, with an estimated market value of $1,800,000.

    Sale prices for duplexes in Marco Island, FL start at $1,800,000, averaging $1,800,000, and reaching up to $1,800,000 — 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 16K
    Population Growth (5Y) -9.6%
    Median Household Income $104,105
    College Educated 35.0%

    Taxes & Financing

    Tax Rate (average for all types) 1.03%
    Property Tax per SF $2.28 per SF
    Tax Rate vs County Average 0.04 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Collier County

    New Delisted

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