- Stony Brook/Setauket/Port Jefferson, Smithtown These towns are located on Long Island in the state of New York. The Three Village Region surrounds the State University of New York at Stony Brook. These pages are your guide to one of the most culturally rich and diverse areas in the United States. HOW TO FIND Arts and Leisure Theatre Three Books and Music Borders Books and Music Restaurants and ...www.stnybrk.com