In observance of Presidents Day, Mass Bay Credit Union will be closed on Monday, February 16, 2026. As always you can use Online and Mobile banking, Telephone Banking, and our network of 90,000+ ATMs.
xSouth Boston Street Festival
Mass Bay Credit Union will be supporting this year’s South Boston Street Fest!
Due to heavy rain over the weekend, the South Boston Street Festival was postponed. We’re looking forward to the rescheduled event on Saturday, September 28th, from 11 AM to 4 PM.Stop by Broadway in South Boston to visit the caricature artist sponsored by the credit union and join in the community fun, complete with two live entertainment stages, over 100 local vendors, and more!
Click Here to know more.