The campus, itself, is located at the geographic midpoint of Long Island,
approximately 60 miles east of New York City and 60 miles west of
Montauk. The campus is split into three portions: West Campus,
East Campus, and South Campus.The West Campus houses the majority of academic buildings, and campus housing. It is the location of the original buildings at
the Stony Brook site, including Mendelsohn Quad, that now serves as a residential quad. In addition to this quad, there are five
other residential quads located on the West Campus in addition to apartments for both graduates and undergraduates. The
residential quads ring the Academic Mall, which contains the academic buildings. The center of the mall is the Frank Melville Jr. Memorial Library,
and around this building are numerous acadmic buildings housing numerous departments that focus on the arts, sciences, and
engineering. The Student Activities Center is the focus of campus life, and is located across from the library. The Staller
Center sits adjacent to the library and contains the largest movie screen in Long
Island's Suffolk County. The Stony Brook Sports
Complex holds various facilities for athletics, and the largest gym in Suffolk County which can hold over 5,000 people.
Behind the Sports Complex sits the newly built Kenneth P. Lavalle Stadium with a capacity of about 8,000.East campus is separated from West campus by Nicolls Road. East campus is home to the University Hospital and Health Sciences
Center. The hospital is the largest in Suffolk county, and the attached HSC houses numerous laboratories as well as a Medical
School. A graduate apartment complex is located on East campus as well.The South campus is the smallest of the three, and is separated from West Campus by a nature preserve. It is home to a dental
school, as well as buildings devoted to marine sciences.In 2002, the University opened up a presence in Manhattan, opening up "Stony Brook Manhattan". It consists of a few classrooms and facilities located in between
Park Avenue and Lexington Avenue.