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    East Islip, NY Office Spaces 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
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    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 51 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 40 Off-Market properties to explore as potential leads, 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.

    Multi-Tenant Building Near Veterans Highway
    $1,500,000
    10,000 SF
    Multi-Tenant Building Near Veterans Highway

    10,000 SF multi-tenant building with established medical and administrative tenants.

    3330 Veterans Memorial Hwy, Bohemia, NY 11716

    View details
    Medical Office For Sale
    $199,000
    Medical Office For Sale

    Medical office featuring exam rooms, office, reception, and waiting areas.

    Bayshore, NY 11706

    View details
    Renovated Industrial and Office Units
    Contact for pricing
    10,000 SF
    Renovated Industrial and Office Units

    Immaculate, renovated 10,000 SF building with office and industrial units.

    30 Floyds Run, Bohemia, NY

    View details
    Bay Shore Investment Property Portfolio
    $3,499,000
    Bay Shore Investment Property Portfolio

    Fully occupied commercial properties with triple-net leases in Bay Shore.

    Bayshore, NY 11706

    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.

    Commercial Land in Amityville, NY
    $205,000
    5,675 SF
    Commercial Land in Amityville, NY

    Commercial bungalow suitable for office building development in Amityville.

    242 Albany Avenue, Amityville, NY 11701

    View details
    Amityville Land For Sale
    $1,999,990
    0.95 Acres
    Amityville Land For Sale

    0.95 acre commercial land in Amityville, NY.

    770 N Broadway, Amityville, NY 11701

    View details
    Prime Land in Port Jefferson
    $3,250,000
    4.10 Acres
    Prime Land in Port Jefferson

    4.1 acre commercial land in revitalizing Port Jefferson Station.

    527/529 Route 112, Port Jefferson Station, NY 11776

    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

    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.

    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
    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
    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
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    79-83 Main St

    79-83 Main St

    PROFESSIONAL BUILDING • 0.37 Acres
    Value Estimation by Request
    79-83 Main St, East Islip, NY 11730
    View details
    88 Main St

    88 Main St

    OFFICE BUILDING • 0.23 Acres
    Value Estimation
    $665,000
    88 Main St, East Islip, NY 11730-2528
    View details
    96 Main St

    96 Main St

    OFFICE BUILDING • 0.45 Acres
    Value Estimation by Request
    96 Main St, East Islip, NY 11730-2531
    View details
    Main St

    Main St

    OFFICE BUILDING • 0.16 Acres
    Value Estimation by Request
    Main St, East Islip, NY 11730
    View details
    45 Main St

    45 Main St

    PROFESSIONAL BUILDING • 0.74 Acres
    Value Estimation by Request
    45 Main St, East Islip, NY 11730-2502
    View details
    268 Main St

    268 Main St

    PROFESSIONAL BUILDING • 0.26 Acres
    Value Estimation by Request
    268 Main St, East Islip, NY 11730-2835
    View details
    149 Main St

    149 Main St

    OFFICE BUILDING • 0.25 Acres
    Value Estimation by Request
    149 Main St, East Islip, NY 11730-2644
    View details
    167 Main St

    167 Main St

    PROFESSIONAL BUILDING • 0.23 Acres
    Value Estimation by Request
    167 Main St, East Islip, NY 11730-2602
    View details
    200 Carleton Ave

    200 Carleton Ave

    OFFICE BUILDING • 1.55 Acres
    Value Estimation by Request
    200 Carleton Ave, East Islip, NY 11730-1222
    View details
    228 Main St

    228 Main St

    PROFESSIONAL BUILDING • 0.35 Acres
    Value Estimation by Request
    228 Main St, East Islip, NY 11730-2711
    View details
    216 Carleton Ave

    216 Carleton Ave

    PROFESSIONAL BUILDING • 0.43 Acres
    Value Estimation by Request
    216 Carleton Ave, East Islip, NY 11730-1222
    View details
    8 Laurel Ave

    8 Laurel Ave

    PROFESSIONAL BUILDING • 0.76 Acres
    Value Estimation by Request
    8 Laurel Ave, East Islip, NY 11730-2131
    View details
    107 Main St

    107 Main St

    PROFESSIONAL BUILDING • 0.32 Acres
    Value Estimation by Request
    107 Main St, East Islip, NY 11730-2337
    View details
    74 Carleton Ave

    74 Carleton Ave

    PROFESSIONAL BUILDING • 0.18 Acres
    Value Estimation by Request
    74 Carleton Ave, East Islip, NY 11730-2109
    View details
    3045 Sunrise Hwy

    3045 Sunrise Hwy

    OFFICE BUILDING • 1.14 Acres
    Value Estimation by Request
    3045 Sunrise Hwy, East Islip, NY 11730
    View details
    137 Main St

    137 Main St

    PROFESSIONAL BUILDING • 0.33 Acres
    Value Estimation by Request
    137 Main St, East Islip, NY 11730-2601
    View details
    8 Greenwood Ave

    8 Greenwood Ave

    PROFESSIONAL BUILDING • 0.09 Acres
    Value Estimation by Request
    8 Greenwood Ave, East Islip, NY 11730-2138
    View details

    East Islip, NY Office Spaces Investment Opportunities Market Analysis

    Explore 43 office spaces 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 office spaces 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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    Top Commercial Asset Segments

    Medical Office Space 2
    Office buildings 1

    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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