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    East Islip, NY
    Medical Premises

    East Islip, NY Medical Office Space for Sale

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    Islip, NY Islip Terrace, NY Bayshore, NY Brentwood, NY Oakdale, NY Central Islip, NY Brightwaters, NY Bohemia, NY
    Zoned GSD Office and Medical Site
    Updated: Oct 14, 2025
    Zoned GSD Office and Medical Site

    55 Carleton Ave, East Islip, NY 11730

    $1,650,000
    6,100 sqft 0.98 AC lot
    0.98‑acre commercial site on Carleton Avenue (main thoroughfare into East Islip) with GSD zoning for office, medical, or veterinary use
    Expansion potential for additional space up to 11,000 sq. ft., or redevelop the site for a new building up to 17,000 sq. ft.
    18 parking spaces available for customers and staff
    Central Air cooling and heating listed as "3"
    Easy access from Sunrise Hwy and Southern State Parkway
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    This listing looks promising.

    Here's a quick look at some key insights for

    55 Carleton Ave, East Islip, NY 11730

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    • Est. Cap Rate

      6.4%
      Above avg (5.9%)

    • Est. NOI

      $105K
      Annual

    • Price @ 7% Cap

      $1.5M
      Suggested
    View Property Analytics
    Medical Office with Basement
    Updated: Apr 29
    Medical Office with Basement

    3250 Sunrise Highway, East Islip, NY 11730

    $699,999
    0.31 AC lot
    Medical office layout with three private exam rooms, reception, waiting, lab, and physician office areas
    Full basement with stairwell access for storage, expansion, or operational use
    0.31‑acre property built in 1972
    Located on Sunrise Highway in East Islip
    ADA‑compliant features include an accessible ramp, designated handicap parking, and handicap‑accessible bathroom
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    Medical Office with Basement
    Medical Office with Basement

    3250 Sunrise Highway, East Islip, NY 11730

    $699,999
    0.31 AC lot

    Clinical layout includes reception, waiting areas, exam rooms, and dedicated administrative workstations.

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    ADA-Compliant Medical Office Facility
    ADA-Compliant Medical Office Facility

    3250 Sunrise Highway, East Islip, NY 11730

    $699,999

    Turnkey medical office with ADA access, multiple waiting rooms, private exam rooms, and dedicated staff and patient entrances.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 10 Potential Opportunities for your consideration. Besides 4 Active listings in East Islip, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, plus 2 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.

    Hauppauge Office Space For Rent
    Hauppauge Office Space For Rent

    99 Smithtown Bypass, Hauppauge, NY 11788

    Contact for pricing
    16,000 sqft

    16,000 sqft Hauppauge office space ideal for medical/professional use.

    View details
    Office Building with Unfinished Basement
    Office Building with Unfinished Basement

    420 Townline Road, Hauppauge, NY 11788

    $799,000

    As-is office building featuring hardwood floors, 200-amp electric, and a full unfinished basement plus rear parking easement.

    View details
    Medical Office For Sale
    Medical Office For Sale

    Bayshore, NY 11706

    $119,000

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

    View details
    Medical Office Suite for Sale
    Medical Office Suite for Sale

    Bayshore, NY 11706

    $119,000

    Medical office suite includes three exam rooms, a reception area, waiting room, and two bathrooms.

    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.

    Approved Commercial Development Lot
    Approved Commercial Development Lot

    V/L Versa Place, Shirley, NY 11967

    $650,000
    0.50 AC lot

    Vacant, zoned commercial lot with approvals to build a two-story retail/office building with elevator.

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    Build-to-Suit Commercial Land
    Build-to-Suit Commercial Land

    34-41 Montauk Highway, East Moriches, NY 11940

    $1,289,000
    1.45 AC lot

    Zoned Comm and served by septic tank, this commercial land parcel supports proposed wellness, fitness, medical, professional, retail and office space.

    View details

    East Islip, NY Medical Office Space Market Trends and Statistics

    Explore 4 medical office space for sale in East Islip, NY, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 6,100 square feet of properties for sale, with an estimated market value of $3,749,997.

    Sale prices for medical spaces in East Islip, NY start at $699,999, averaging $937,499, and reaching up to $1,650,000 — 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

    Medical Office Space 5
    Office buildings 4
    Office Units 4

    Demographics Overview

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

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    11730 $1.2M

    Listings Trend

    New vs delisted commercial listings in Suffolk County

    New Delisted

    Total CRE Inventory on Market (SF)

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