Atlantic Regional has been serving member-owners since 1941. The Credit Union is open for membership to anyone that lives, works or worships in Cumberland or Sagadahoc Counties Maine. Atlantic Regional has always taken an active role within the communities that we serve. We have been awarded Business of the Year by the Southern Midcoast Maine Chamber of Commerce. We provide financial services at competitive pricing and with the highest level of commitment. Catch the Wave to Financial Security with Atlantic Regional Federal Credit Union.