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    Islandia, NY Office Buildings for Sale

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    Commercial Building in Ronkonkoma, NY
    $650,000
    2,300 SF

    Commercial Building in Ronkonkoma, NY

    294 Fir Grove Rd, Ronkonkoma, NY 11779

    Updated Hi-Ranch with modern amenities and convenient location.

    • Completely renovated and turn‑key condition.
    • Gourmet granite kitchen with high‑end appliances and custom finishes.
    • Full finished basement providing additional living space.
    • Located in the Connetquot School District.
    • Convenient access to area highways and the Long Island Rail Road.
    Updated: Jun 4, 2025
    View details
    Based on your search, we've compiled 51 Potential Opportunities for your consideration. Besides 1 Active listings in Islandia, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 42 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Explore Opportunities in Nearby Cities

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

    Patchogue Village Freestanding Office Building
    Contact for pricing
    24,000 SF

    Patchogue Village Freestanding Office Building

    Freestanding office building in Patchogue Village with long-term tenant.

    75 Oak St, Patchogue, NY 11772
    View details
    Two Buildings with 17 Stores
    $8,250,000
    21,766 SF

    Two Buildings with 17 Stores

    Two one-story masonry buildings with parking for 120 cars.

    Medford Ave, Patchogue, NY
    View details
    Commack Office Building For Sale
    Contact for pricing
    17,044 SF

    Commack Office Building For Sale

    Well-maintained office building in Western Suffolk with ample parking.

    368 Veterans Memorial Hwy, Commack, NY
    View details
    Commack Investment Property For Sale
    $2,500,000
    10,500 SF

    Commack Investment Property For Sale

    Commack investment property for sale. Net operating income: $117,632.

    354 Veterans Memorial Hwy, Commack, NY 11725
    View details

    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.

    Sayville Land: Build Your Dream
    $1,049,999
    0.38 Acres

    Sayville Land: Build Your Dream

    Spacious land parcel in Sayville, perfect for residential or investment.

    48-52 Browns River Road, Sayville, NY 11782
    View details
    Commercial Land Near Montauk Highway
    $699,000
    0.50 Acres

    Commercial Land Near Montauk Highway

    Vacant commercial lot near Montauk Hwy, Shirley, NY.

    V/L Versa Place, Shirley, NY 11967
    View details
    Commercial Land Near Montauk Highway
    $699,000
    0.50 Acres

    Commercial Land Near Montauk Highway

    Prime commercial lot near shopping, zoned J6, approved for building.

    V/L Versa Place, Shirley, NY 11967
    View details
    Rocky Point Commercial Lot
    $390,000
    0.41 Acres

    Rocky Point Commercial Lot

    J-2 zoned commercial lot in Rocky Point, NY.

    N Country Roads, Rocky Point, NY
    View details

    Explore Off-Market Properties in Islandia, NY

    Consider similar Off-Market properties in Islandia, NY. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    1601 Veterans Hwy

    1601 Veterans Hwy

    OFFICE BUILDING • 3.60 Acres
    Value Estimation by Request
    1601 Veterans Hwy, Islandia, NY 11749-1538
    View details
    209 Shafter St

    209 Shafter St

    OFFICE BUILDING • 2.75 Acres
    Value Estimation by Request
    209 Shafter St, Islandia, NY 11749-5074
    View details
    2990 Expy S Dr

    2990 Expy S Dr

    OFFICE BUILDING • 1.34 Acres
    Value Estimation
    $3,230,000
    2990 Expy S Dr, Islandia, NY 11749-1420
    View details
    200 Corporate Plz

    200 Corporate Plz

    OFFICE BUILDING • 0.05 Acres
    Value Estimation by Request
    200 Corporate Plz, Islandia, NY 11749-1552
    View details
    200 Corporate Plz

    200 Corporate Plz

    OFFICE BUILDING • 0.05 Acres
    Value Estimation by Request
    200 Corporate Plz, Islandia, NY 11749-1552
    View details
    1770 Motor Pkwy

    1770 Motor Pkwy

    OFFICE BUILDING • 2.08 Acres
    Value Estimation
    $5,660,000
    1770 Motor Pkwy, Islandia, NY 11749-5260
    View details
    1050 Old Nichols Rd

    1050 Old Nichols Rd

    OFFICE BUILDING • 1.40 Acres
    Value Estimation
    $4,600,000
    1050 Old Nichols Rd, Islandia, NY 11749-5026
    View details
    11 Oval Dr

    11 Oval Dr

    OFFICE BUILDING • 5.80 Acres
    Value Estimation
    $5,490,000
    11 Oval Dr, Islandia, NY 11749-1479
    View details
    200 Corporate Plz

    200 Corporate Plz

    OFFICE BUILDING • 0.05 Acres
    Value Estimation by Request
    200 Corporate Plz, Islandia, NY 11749-1552
    View details
    1345 Motor Pkwy

    1345 Motor Pkwy

    OFFICE BUILDING • 0.07 Acres
    Value Estimation by Request
    1345 Motor Pkwy, Islandia, NY 11749-5208
    View details
    300 Corporate Plz

    300 Corporate Plz

    OFFICE BUILDING • 0.06 Acres
    Value Estimation by Request
    300 Corporate Plz, Islandia, NY 11749-1519
    View details
    1345 Motor Pkwy

    1345 Motor Pkwy

    OFFICE BUILDING • 0.07 Acres
    Value Estimation by Request
    1345 Motor Pkwy, Islandia, NY 11749-5208
    View details
    3750 Expy S Dr

    3750 Expy S Dr

    OFFICE BUILDING • 1.19 Acres
    Value Estimation by Request
    3750 Expy S Dr, Islandia, NY 11749-5505
    View details
    300 Corporate Plz

    300 Corporate Plz

    OFFICE BUILDING • 0.06 Acres
    Value Estimation by Request
    300 Corporate Plz, Islandia, NY 11749-1519
    View details
    300 Corporate Plz

    300 Corporate Plz

    OFFICE BUILDING • 0.06 Acres
    Value Estimation by Request
    300 Corporate Plz, Islandia, NY 11749-1519
    View details
    1767 Veterans Hwy

    1767 Veterans Hwy

    OFFICE BUILDING • 2.80 Acres
    Value Estimation by Request
    1767 Veterans Hwy, Islandia, NY 11749-1536
    View details
    1707 Veterans Hwy

    1707 Veterans Hwy

    OFFICE BUILDING • 2.55 Acres
    Value Estimation by Request
    1707 Veterans Hwy, Islandia, NY 11749-1531
    View details
    1757 Veterans Hwy

    1757 Veterans Hwy

    OFFICE BUILDING • 2.70 Acres
    Value Estimation by Request
    1757 Veterans Hwy, Islandia, NY 11749-1535
    View details
    1747 Veterans Hwy

    1747 Veterans Hwy

    OFFICE BUILDING • 2.00 Acres
    Value Estimation by Request
    1747 Veterans Hwy, Islandia, NY 11749-1534
    View details
    1787 Veterans Hwy

    1787 Veterans Hwy

    OFFICE BUILDING • 1.45 Acres
    Value Estimation by Request
    1787 Veterans Hwy, Islandia, NY 11749-1500
    View details
    2929 Expy N Dr

    2929 Expy N Dr

    OFFICE BUILDING • 10.50 Acres
    Value Estimation by Request
    2929 Expy N Dr, Islandia, NY 11749-5306
    View details
    1797 Veterans Hwy

    1797 Veterans Hwy

    OFFICE BUILDING • 0.74 Acres
    Value Estimation by Request
    1797 Veterans Hwy, Islandia, NY 11749-1537
    View details
    1737 Veterans Hwy

    1737 Veterans Hwy

    OFFICE BUILDING • 1.10 Acres
    Value Estimation by Request
    1737 Veterans Hwy, Islandia, NY 11749-1529
    View details

    Islandia, NY Office Buildings Investment Opportunities Market Analysis

    Explore 43 office buildings for sale in Islandia, NY on our real estate platform. These investment opportunities span a total of 1,484,959 square feet of properties for sale, with an estimated market value of $25,055,000.

    Sale prices for office properties in Islandia, NY start at $180,000, averaging $1,193,095, and reaching up to $6,200,000 — 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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    Most Searched ZIP Codes in Islandia, NY

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