(If you are coming from Points West, take the Mass Pike West into Boston and get onto Route 93 South.) Take Exit 15 "Columbia Road, Edward Everett Square." If coming from the north: take a left at the bottom of exit ramp. If coming from the south: take a right at the bottom of the exit ramp. At the rotary, go half way around and continue straight onto Day Boulevard.
Follow signs for South Boston, Castle Island, and Day Boulevard. (Ahead on your right will be state police headquarters and Carson Beach.) At the third traffic light, take a LEFT (sign indicates left hand turn prohibited but only during 6AM - 9 AM.) Take an immediate LEFT onto Columbia Road. Continue straight for several blocks and through one traffic light.
The BayView is located just after the traffic light at G Street on the right. You may park on either side of the street.