From New York City, take the Long Island Expressway (LIE, I-495) eastbound from the Queens Midtown Tunnel in Manhattan or the Throgs Neck Bridge or Whitestone Bridge in Queens to exit 62, and follow Nicolls Road (Route 97) north for 9 miles. The main entrance to the University is on the left. To find the campus via GPS, enter the address "100 Nicolls Road, Stony Brook, NY 11790."
Take the Long Island Railroad's Port Jefferson line from Penn Station in Manhattan to Stony Brook. The LIRR station is at the north end of the campus; bus service to the central campus is provided. Trains to and from Penn generally require transfers at Jamaica or Huntington. Hicksville is also a transfer point on some lines. Find schedule and fare information here.
Car ferries cross Long Island Sound at Bridgeport, Connecticut to Port Jefferson, Long Island. Take Route 25A west to Nicolls Road, and turn left on Nicolls. The University entrances are the first three intersections you come to. From New London, Connecticut to Orient Point, Long Island, take Route 25A west to Nicolls Road and proceed as above.
Long Island's Islip-MacArthur Airport is 16 miles from the campus and is serviced by direct flights by major airlines and commuter lines. New York City Area Airports (JFK, LaGuardia, and Newark) are 50 miles to the west.