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    Long Key, FL Residential Income Properties for Sale

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    Marathon, FL Islamorada, FL Duck Key, FL
    Oceanfront Vacation Rental Duplex
    Updated: Sep 3, 2025
    Oceanfront Vacation Rental Duplex

    65620 Overseas Highway, Long Key, FL 33001

    $3,899,000
    1,647 sqft · 0.62 AC lot
    Ocean front property with 221 ft of private white sand beach and unobstructed Atlantic Ocean views
    Currently operating as a nightly vacation rental; legal duplex with 4 bedrooms and 2 bathrooms
    Two development rights associated with the legal duplex, plus a third development right for an accessory structure
    Frame construction with central heating and central air; metal roof
    Interior features include built‑in cabinets and granite countertops; tile flooring
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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 9 Potential Opportunities for your consideration. Besides 1 Active listings in Long Key, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

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

    Waterfront Compound in Lower Matecumbe
    Waterfront Compound in Lower Matecumbe

    Islamorada, FL 33036

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

    Luxury multi-family property with income potential and resort-style amenities.

    View details
    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.

    View details
    Islamorada Waterfront Family Compound
    Islamorada Waterfront Family Compound

    Islamorada, FL 33036

    $3,524,000
    3,524 sqft

    Luxury multi-family property with income potential and resort-style amenities.

    View details
    Grassy Key Marina Investment
    Grassy Key Marina Investment

    59073 Overseas Hwy, Marathon, FL 33050

    $9,900,000
    22,000 sqft

    Marina with rental income, apartments, and potential for growth.

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    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Waterfront Land with Approved Plans
    Waterfront Land with Approved Plans

    93 N Conch Avenue, Conch Key, FL 33050

    $598,500
    0.11 AC lot

    Waterfront development parcel with newly constructed seawall and approved plans for dock and seawall improvements.

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    Waterfront Residential Development Land
    Waterfront Residential Development Land

    93 N Conch Ave, Marathon, FL 33050

    $598,500
    0.11 AC lot

    Build-ready waterfront parcel with a newly constructed seawall and approved plans for dock and residential development.

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    ROGO-Approved Residential Development Land
    ROGO-Approved Residential Development Land

    S 77 Conch Avenue, Conch Key, FL 33050

    $498,500
    0.10 AC lot

    Build-ready land parcel with approved plans for up to four residential units and two transferable ROGO allocations.

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    ROGO-Approved Residential Development Land
    ROGO-Approved Residential Development Land

    77 S Conch Ave, Marathon, FL 33050

    $498,500
    0.08 AC lot

    Land in Marathon with two transferable ROGO allocations and approval for up to four residential units under existing plans.

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    Long Key, FL Residential Income Properties Market Trends and Statistics

    Explore 1 residential income properties for sale in Long Key, FL on our real estate platform. These investment opportunities span a total of 1,647 square feet of properties for sale, with an estimated market value of $3,899,000.

    Sale prices for residential income properties in Long Key, FL start at $3,899,000, averaging $3,899,000, and reaching up to $3,899,000 — 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
    Multifamily properties 1
    Short term rental properties 1

    Demographics Overview

    Population 254
    Median Household Income $60,750
    College Educated 33.5%

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    33001 $3.9M

    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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