6,100 sqft

$1,650,000

55 Carleton Avenue, East Islip NY, 11730

Price per sqft$270.49

Built in1975

Property size6,100 sqft

Property typeCommercial

Courtesy of Marylou Swan Realty Corp, Joseph E. Donaghy Listing Contact: 631-289-5550

Overview

Active

Listed Oct 24, 2025

Updated 13 days ago

55 Carleton Avenue presents a rare chance to acquire a high-visibility, 0.98-acre commercial property on Carleton Avenue—the main thoroughfare into East Islip. Zoned GSD, this site is ideally suited for office, medical, or veterinary use, offering exceptional exposure and accessibility. This unique opportunity allows for expansion of additional space of up to 11,000 sq. ft. or redevelop the entire site for your new building up to 17,000 ft. sq. Only two miles from the Federal Court House and 2.5 miles from Northwell South Shore University Hospital with easy access from Sunrise Hwy and Southern State Parkway. The East Islip area boasts strong commercial activity and highly desirable demographics, making this a prime location for professional services seeking long-term growth and visibility.

Additional information

MLS^® ID: 928396

Interior Features

Cooling: Yes
Heating: Yes
Basement: Yes

Exterior Features

Lot Size: 0.98 Acres

Other Property Details

Taxes: $29,360
Tax Frequency: Annually

Listings courtesy of OneKey MLS as distributed by MLS GRID

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