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    East Islip, NY Commercial Real Estate for Sale

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    Islip, NY Bayshore, NY Oakdale, NY
    Renovated Multi-Tenant Office Building
    $800,000
    0.28 Acres

    Renovated Multi-Tenant Office Building

    128 Carleton Avenue, East Islip, NY 11730

    Professional office building with strong rental potential in East Islip.

    • 100% Occupied Multi‑Tenant Building in GST Zone
    • Completely Renovated in 2020: HVAC, Exterior, Interiors
    • Features 7 Private Offices + Spacious Conference Room
    • Detached Garage for Storage or Expanded Use
    • Modern Kitchenette and 2 Renovated Bathrooms
    Updated: Feb 16
    View details
    High-Visibility Commercial Property on Carleton Avenue
    $1,650,000
    0.98 Acres

    High-Visibility Commercial Property on Carleton Avenue

    55 Carleton Avenue, East Islip, NY 11730

    0.98-acre commercial property suited for office, medical, or veterinary use.

    • High‑visibility 0.98‑acre commercial property on Carleton Avenue.
    • Zoned GSD, ideally suited for office, medical, or veterinary use.
    • Opportunity for expansion of up to 11,000 sq. ft. or redevelopment up to 17,000 sq. ft.
    • Prime location in East Islip with strong commercial activity and desirable demographics.
    • Easy access to Sunrise Hwy and Southern State Parkway.
    Updated: Oct 24, 2025
    View details
    East Islip Medical/Fitness Property
    $7,500,000
    23,518 SF

    East Islip Medical/Fitness Property

    23,518 SF building on 1.2 acres, high-traffic location.

    269 E Main St, E Islip, NY
    View details
    Based on your search, we've compiled 76 Potential Opportunities for your consideration. Besides 3 Active listings in East Islip, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 69 Off-Market properties to explore as potential leads

    Opportunities in Nearby Cities

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

    Commercial Land in Bay Shore
    $99,000
    0.09 Acres

    Commercial Land in Bay Shore

    Commercial land with great exposure on a corner lot.

    Bayshore, NY 11706
    View details
    Commercial Building on Union Boulevard
    Contact for pricing
    2,671 SF

    Commercial Building on Union Boulevard

    2,671 SF commercial building on 0.39 acres in Bay Shore.

    Bayshore, NY 11706
    View details
    Oakdale Self-Storage
    $7,700,000
    29,090 SF

    Oakdale Self-Storage

    Oakdale Self-Storage

    1625 Montauk Hwy, Oakdale, NY 11769
    View details
    Retail Space on Signalized Corner
    $1,500,000
    3,500 SF

    Retail Space on Signalized Corner

    Retail property with high traffic counts and excellent frontage.

    1535 Montauk Hwy, Oakdale, NY
    View details

    Off-Market Properties in East Islip, NY

    Consider similar Off-Market properties in East Islip, 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.

    109 Carleton Ave

    109 Carleton Ave

    AUTO REPAIR, GARAGE • 0.73 Acres
    Value Estimation
    $800,000
    109 Carleton Ave, East Islip, NY 11730-1801
    View details
    1 Jackson St

    1 Jackson St

    OFFICE BUILDING • 0.34 Acres
    Value Estimation
    $1,150,000
    1 Jackson St, East Islip, NY 11730
    View details
    33 Main St

    33 Main St

    STORE/OFFICE (MIXED USE) • 0.15 Acres
    Value Estimation by Request
    33 Main St, East Islip, NY 11730-2541
    View details
    80 Carleton Ave

    80 Carleton Ave

    OFFICE/RESIDENTIAL (MIXED USE) • 0.22 Acres
    Value Estimation by Request
    80 Carleton Ave, East Islip, NY 11730-2110
    View details
    154 Main St

    154 Main St

    STORE/OFFICE (MIXED USE) • 0.17 Acres
    Value Estimation by Request
    154 Main St, East Islip, NY 11730-2633
    View details
    168 Carleton Ave

    168 Carleton Ave

    BAR, TAVERN • 0.40 Acres
    Value Estimation by Request
    168 Carleton Ave, East Islip, NY 11730-1814
    View details
    146 Main St

    146 Main St

    STORE/OFFICE (MIXED USE) • 0.24 Acres
    Value Estimation by Request
    146 Main St, East Islip, NY 11730-2640
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.04 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    132 Connetquot Ave

    132 Connetquot Ave

    STORE/OFFICE (MIXED USE) • 0.36 Acres
    Value Estimation by Request
    132 Connetquot Ave, East Islip, NY 11730-1418
    View details
    70-74 Main St

    70-74 Main St

    OFFICE/RESIDENTIAL (MIXED USE) • 0.25 Acres
    Value Estimation
    $1,100,000
    70-74 Main St, East Islip, NY 11730
    View details
    62 Main St

    62 Main St

    OFFICE/RESIDENTIAL (MIXED USE) • 0.08 Acres
    Value Estimation
    $2,000,000
    62 Main St, East Islip, NY 11730-2322
    View details
    64-66 Main St

    64-66 Main St

    OFFICE/RESIDENTIAL (MIXED USE) • 0.15 Acres
    Value Estimation
    $2,000,000
    64-66 Main St, East Islip, NY 11730
    View details
    Montauk Hwy

    Montauk Hwy

    STORE/OFFICE (MIXED USE) • 0.26 Acres
    Value Estimation by Request
    Montauk Hwy, East Islip, NY 11730
    View details
    158 Carleton Ave

    158 Carleton Ave

    VACANT COMMERCIAL LAND • 0.17 Acres
    Value Estimation by Request
    158 Carleton Ave, East Islip, NY 11730-1814
    View details
    37 Wall St

    37 Wall St

    BULK STORAGE, TANKS • 2.07 Acres
    Value Estimation
    $995,000
    37 Wall St, East Islip, NY 11730-1716
    View details
    33 Wall St

    33 Wall St

    LUMBERYARD, BUILDING MATERIALS • 2.12 Acres
    Value Estimation
    $2,005,000
    33 Wall St, East Islip, NY 11730-1716
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.03 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    214 Main St

    214 Main St

    STORE/OFFICE (MIXED USE) • 0.33 Acres
    Value Estimation
    $1,640,000
    214 Main St, East Islip, NY 11730-2711
    View details
    120 Carleton Ave

    120 Carleton Ave

    AUTO REPAIR, GARAGE • 0.55 Acres
    Value Estimation by Request
    120 Carleton Ave, East Islip, NY 11730-1804
    View details
    109 Main St

    109 Main St

    OFFICE/RESIDENTIAL (MIXED USE) • 0.15 Acres
    Value Estimation
    $2,930,000
    109 Main St, East Islip, NY 11730-2321
    View details
    73 Main St

    73 Main St

    OFFICE/RESIDENTIAL (MIXED USE) • 0.06 Acres
    Value Estimation
    $550,000
    73 Main St, East Islip, NY 11730-2319
    View details

    East Islip, NY Commercial Real Estate Investment Opportunities Market Analysis

    Explore 72 commercial real estate for sale in East Islip, NY, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 23,518 square feet of properties for sale, with an estimated market value of $7,500,000.

    Sale prices for business properties in East Islip, NY start at $7,500,000, averaging $7,500,000, and reaching up to $7,500,000 — 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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    Demographics Overview

    Population 14K
    Population Growth (5Y) +3.7%
    Median Household Income $146,190
    College Educated 56.6%

    High-Yield Neighborhoods for Strategic Investment

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

    Neighborhood Average Price
    11730 $800K

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