By Car

From Manhattan:

West Street (West Side Highway) to Brooklyn Battery Tunnel
Continue straight (onto Gowanus Expressway) after leaving tunnel (do not exit at Hamilton Avenue)
Bear to your right and get off at next exit (39th Street)
At end of exit ramp, Make left onto Second Avenue. Take Second Avenue to 58th Street and make a right turn. Take 58th Street to First Avenue and make a left into the front gate of the Brooklyn Army Terminal.

Can also take Brooklyn, Manhattan or Williamsberg Bridges and follow following directions from Brooklyn-Queens Expressway, but Battery Tunnel (while a toll crossing is fastest)

From Brooklyn-Queens Expressway:

Take Brooklyn-Queens Expressway West. Continue on past Brooklyn Battery Tunnel.
Continue straight (onto Gowanus Expressway) after leaving tunnel (do not exit at Hamilton Avenue). DO NOT get off at Prospect Expressway.
Bear to your right and get off at next exit (39th Street)
At end of exit ramp, make a left on 2nd Ave. to 58th St. then a right to 1st Ave. Make a left at Guard post.

From Belt Parkway:

Take Belt Parkway West
Exit at 65th-67th Street Exit (Exit after 4th Avenue)
Continue on exit service road and exit second road to the right
Make left onto Ridge Avenue. Follow Ridge Avenue (becomes 2nd Avenue) until 58th Street
Make left turn at 58th Street to gate of Brooklyn Army Terminal at 58th Street and 1st Avenue

From Staten Island:

Take Verrazano Bridge to Brooklyn-Queens Expressway
Exit at 65th Street (at 7th Avenue)
Continue under elevated parkway. Make a left (about two blocks) at 4th Avenue. Make an IMMEDIATE right turn onto 65th Street and take to the end. Make a right onto 2nd Avenue and go until 58th Street. Make a left onto 58th Street and another left at the guard post at first Avenue.

By Subway

From Manhattan or Coney Island:

"N" or "R" train to 59th Street Station (and 4th Avenue) Brooklyn
Walk to gate of Brooklyn Army Terminal at 58th Street and 1st Avenue

By Bus

"B11" Avenue J Bus to gate of Brooklyn Army Terminal at 58th Street and 1st Avenue

By Ferry

From Wall Street Manhattan to gate of Brooklyn Army Terminal at 58th Street and 1st Avenue. Ferry runs erratically during winter months, but about every 90 minutes during spring and summer. Ferry ride takes about twenty minutes.

Route From Main Gate to Suite 8F:

By Car:

Tell guard at gate that you are visiting suite 8F (Washington Computer)
Get window pass from guard at gate (put window pass in window)
Drive straight between two buildings and under the threebridges
Make left turn at end of buildings
Park your car
Enter building and walk past guard to end of lobby
Make right turn at end of lobby to elevators (don't exit lobby)
Go to 8th Floor and walk in (the door's open!)

By Foot:

Tell guard at gate that you are visiting suite 8F (Washington Computer)
Enter main entrance of left hand building 
Walk through lobby and exit rear lobby door to train platform
Walk along full length of train platform to other end
Enter rear lobby and make immediate left to elevator
Go to 8th Floor and walk in (the door's open!)