55 Carleton Avenue, Islip, NY, 11730
$1,650,000
$1,800,000
activeLot Size
42,689 sqft
Year Built
1975
Stories
1
Type
Commercial
Estimate. Actual payment depends on credit, lender, taxes, and insurance.
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.
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Listed by Joseph E. Donaghy, Marylou Swan Realty Corp
Listings courtesy of OneKey® MLS as distributed by MLS GRIDBased on information submitted to the MLS GRID as of May 11, 2026, 9:21 PM UTC (date and time MLS GRID Data was obtained). All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
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