55 Carleton Avenue, Islip, New York 11730
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$1,650,000 USD

Office for Sale, 55 Carleton Avenue, Islip, New York 11730

  • MLS#
    928396

Listed By Marylou Swan Realty Corp

The Office for Sale located at 55 Carleton Avenue, Islip, New York 11730 is currently for sale. 55 Carleton Avenue, Islip, New York 11730 is listed for $1,650,000.

Date Updated : Sep 15, 2026
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Property features

Property

  • Features: Basement

Lot/Land

  • Land/Lot size: 3,966 m² (42,689 ft²)
  • Fencing: Chain Link

Construction

  • Year built: 1975
  • Construction: Brick
  • Basement and foundation: Unfinished
  • Exterior: Stucco

Heating and Cooling

  • Heating System: Natural GasForced Air
  • Cooling System: Central AC

Utilities

  • Telecommunication: Cable Available
  • Other utilities: WaterNatural GasSewerPublicElectricCity Sewer

Description

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.

Location

55 Carleton Avenue, Islip, New York 11730

55 Carleton Avenue, Islip, New York 11730