From I-93: Take Exit 12 to merge onto MA 3A South/Gallivan Blvd toward Neponset/Quincy (go 0.7mi). Continue to follow MA 3A South. Take slight left at Quincy Shore Drive (go 0.3mi). Exit onto Commander Shea Blvd (go 0.9mi). Turn right at Seaport Drive (go 0.2mi). The Reserve at Marina Bay will be on your right.