From exit 62 of the Long Island Expressway (LIE, I-495) follow Nicolls Road (Route 97) north for nine miles. Pass the South and Main entrances to the University.
Enter the North entrance which will be on your left.
At the top of the small hill, turn right on Circle Road.
Proceed about 1 mile.
Turn left onto Campus Drive and then immediately turn left again onto John S. Toll Drive.
Proceed about 50 yards then turn right into the large paved parking lot.
The Earth and Space Sciences building is the large concrete building at the northeast end of the parking lot.
Map of campus is on the web at: http://www.stonybrook.edu/sb/map/