Directions

Go east on Belt Parkway which becomes Southern State Parkway
Go east on Southern State Parkway to exit 28A - Route 135 (Seaford Oyster Bay Expressway)
Go north on Route 135 to the exit for Route 495 East (Long Island Expressway East)
Go east on Route 495 to exit 49 - Route 110 (Route 110 will be at the second intersection following the exit off-ramp
Go south on Route 110 to Baylis Road
Go east (left) on Baylis Road
The entrance to Altana Inc. will be on the right and marked with a sign.

Go east approximately 4 miles on Grand Central Parkway to Route 495 (Long Island Expressway)
Go east on Route 495 to exit 49 - Route 110 (Route 110 will be at the second intersection following the exit off-ramp)
Go south on Route 110 to Baylis Road
Go east (left) on Baylis Road
The entrance to Altana Inc. will be on the right and marked with a sign.

Exit the airport through the main entrance and turn right onto Veterans Highway.
Go approximately 4 miles and turn left (west) as indicated by a road sign onto Route 495 West (Long Island Expressway West). NOTE: The on-ramp onto Route 495 West from Veterans Highway is long and indirect, but marked.
Go west on Route 495 West.
Leave Route 495 West at exit number 49S, marked "Amityville." The exit will curve tightly to the right and connect with Route 110, heading south over the expressway.
Go south on Route 110 and at the 4th traffic light turn east (left) onto Baylis Road.
The entrance to Altana Inc. will be on the right and marked with a sign.