From South of Boston
Take route 93 North to the Causeway Street/North Station Exit. At the bottom of the ramp take a right turn. Go to the first traffic light and take a left onto Washington Street. Go over the Washington Street Bridge, stay in the right lane. At the first traffic light make a right turn onto Chelsea Street. (Follow the signs to the Constitution and the Moran Shipping Terminal) Stay on this street through 4 traffic lights. Go under the Tobin Bridge and continue until the road takes a sharp (90 degree) left turn. This is Terminal Street. You will see the Moran Shipping Terminal on your right. The big brick buildings directly in front of you (on the right) are the Charlestown Commerce Center (Look on the side of the building, there's a big ass sign!) Turn right into the parking lot and make sure to check in at the security guard shack! Go to building 2 take the elevator to the 7th floor.
From North of Boston
Take 93 South to the Sullivan Square exit. Get off the exit and continue straight for approx. 1/4 mile until you pass the T station and come to a rotary. Pass under 93 and take the first right off of the rotary (in front of the Shraft's building) You'll see a Fire Station on your left. Take the first left onto Medford Street (in front of the Fire Station). Follow Medford Street to the first traffic light. This is Terminal Street. Take a left and go about 300 yards, the road will make a sharp right, ignore it! The Charlestown Commerce Center is directly in front of you (didn't I tell you to look up! There's a big ass sign!) Go straight into the parking lot and make sure to check in at the security guard shack! Go to building 2 take the elevator to the 7th floor.
We're a short walk from the Sullivan Square T Station. Follow the directions "From North of Boston" only walk from the T to the rotary, it's about a mile!