From Logan International Airport & Route 1A:
Follow the signs toward I-90 West/Ted Williams Tunnel. Take the Ted Williams Tunnel to Exit 25 South Boston. At the top of the ramp, proceed straight onto B Street. Turn left onto Northern Avenue/Seaport Boulevard, then right onto Northern Avenue.
From Points North via I-93:
Heading southbound on I-93 toward Boston, take Exit 23, Purchase Street, and get into the left lane. Take the first left onto Seaport Boulevard, crossing the Moakley Bridge. Turn left onto Northern Avenue. (East Service Road will be on your right.)
From Points South via I-93:
Heading northbound on I-93 toward Boston, take Exit 20, which will be immediately after Exit 18. Once on the exit ramp, follow signs for South Boston, staying in the right lane through the tunnel. At the first set of lights at the end of the off-ramp, proceed straight onto East Service Road. At the intersection of Seaport Boulevard, go straight onto Northern Avenue.
From Points West via the Massachusetts Turnpike/I-90:
Follow the Massachusetts Turnpike/I-90 East to Exit 25, South Boston. At the top of the ramp, bear left torward Seaport Boulevard. At the first set of lights, proceed straight onto East Service Road. At the next set of lights, go straight onto Northern Avenue.