MountainOne Bank has offices in Rockland, Quincy, and Scituate, MA. Additional MountainOne Bank offices are located in Danvers, Pittsfield, Williamstown, and North Adams, MA. Stop by any of our South Shore offices for help with community banking, mortgage banking, commercial banking, and electronic banking. We deliver solutions of real value that help individuals, businesses and community institutions manage their financial lives with clarity and confidence. Member FDIC. Member DIF. Equal Housing Lender.