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    Islip, NY
    Residential Income

    Islip, NY Residential Income Properties for Sale

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    Bayshore, NY West Islip, NY Brightwaters, NY
    Legal Two-Family Cape Cod
    Updated: May 22
    Legal Two-Family Cape Cod

    23 Robbins Avenue, Islip, NY 11751

    $550,000
    0.14 AC lot
    Legal 2‑family Cape Cod built in 1953 with 2 bedrooms and 1 full bath on the main level
    Upstairs unit features 1 bedroom with a full bathroom plus a kitchen/living room combo
    Oil heating, with natural gas in the house used for cooking
    Unfinished full basement with Bilco door entrance, laundry area, and room for expansion
    Extra‑deep detached garage and driveway parking
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    Updated Co-op with Amenities
    Updated: Nov 27, 2025
    Updated Co-op with Amenities

    2399 UNION Blvd 5A, Islip, NY 11751

    $185,000
    Desirable Forest Green Community with saltwater pool, fully equipped gym, and clubhouse.
    Pet‑friendly with two included parking spaces.
    Updated first‑floor 1‑bedroom co‑op with gleaming hardwood floors.
    Spacious living room and large bedroom, each with built‑in/in‑wall A/C units.
    Ample storage with two double closets in the bedroom, a double closet in the hallway, and a linen closet.
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    Updated Co-op with Open Layout
    Updated Co-op with Open Layout

    Islip Manor, NY 11751

    $244,000

    Updated co-op with amenities near shopping, dining, and transportation.

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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 11 Potential Opportunities for your consideration. Besides 3 Active listings in Islip, NY, 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.

    Renovated Two-Family Home
    Renovated Two-Family Home

    54 Evergreen Street, West Babylon, NY 11704

    $999,999
    0.23 AC lot

    Legal two-family home with modern finishes and income potential.

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    Babylon Duplex with Private Driveways
    Babylon Duplex with Private Driveways

    7 Park Avenue, Babylon, NY 11702

    $739,000
    0.10 AC lot

    Well-maintained duplex offers two separate units with private entrances, in-unit laundry, and dedicated basement storage.

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    Babylon Village Mixed-Use Investment
    Babylon Village Mixed-Use Investment

    504 Fire Island Ave, Babylon, NY 11702

    $999,999
    0.23 AC lot

    Income-generating property with commercial and residential units in Babylon Village.

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    Updated Two-Family Home
    Updated Two-Family Home

    918 10th St, West Babylon, NY 11704

    $849,990
    0.18 AC lot

    Two-family home with updated features and a spacious yard.

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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.

    Residential Lot in Wyandanch, NY
    Residential Lot in Wyandanch, NY

    6 Pine Street, Wyandanch, NY 11798

    $99,000
    0.09 AC lot

    Residential lot for sale in a friendly neighborhood setting.

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    Greenlawn Buildable Lot Opportunity
    Greenlawn Buildable Lot Opportunity

    78 Cuba Hill Road, Greenlawn, NY 11740

    $899,000
    1.00 AC lot

    Buildable lot near Greenlawn Village, LIRR, and major highways.

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    Amityville Redevelopment Opportunity
    Amityville Redevelopment Opportunity

    4 Burch ave, Amityville, NY 11701

    $2,799,999
    0.33 AC lot

    Corner parcel in Amityville Village with redevelopment potential.

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    Shovel-Ready Building Lot Opportunity
    Shovel-Ready Building Lot Opportunity

    Canal Road, Port Jefferson Station, NY 11776

    $249,999
    0.18 AC lot

    Ready-to-build lot with approved plans in Port Jefferson Station.

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    Islip, NY Residential Income Properties Market Trends and Statistics

    Explore 3 residential income properties for sale in Islip, NY, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 0 square feet of properties for sale, with an estimated market value of $979,000.

    Sale prices for residential income properties in Islip, NY start at $185,000, averaging $326,333, and reaching up to $550,000 — 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

    Multifamily properties 3
    Apartment buildings 2
    Duplexes 1

    Demographics Overview

    Population 13K
    Population Growth (5Y) -9.7%
    Median Household Income $116,328
    College Educated 51.2%

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    11751 $550K

    Listings Trend

    New vs delisted commercial listings in Suffolk County

    New Delisted

    Total CRE Inventory on Market (SF)

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