Last remaining space available. Lower level space available. Former Data Center. Heavy Fiber Optic Capacity. Generator. The Portview Building is a multi-tenant office building located on the North Shore of Long Island, just east of Port Jefferson Village in the Hamlet of Mt. Sinai. The significant building features are as follows: *Located in an upscale white collar community. *Attractive building with well landscaped property. *Good tenant signage. *Ample Parking. *Elevator servicing all three levels of building. *Suites are separately metered for gas and electric. *Medical use . *Good floor to window ratio. *Back up generator. *Fiber optic data cabling in place - Lighttower OC-12 Optical ring & Lightpath Optical Ethernet ring. *24 hour access with security camera system