Ocean Financial Federal Credit Union (formerly known as Oceanside Christopher FCU) has been open since 1969. It's the 20th largest credit union in New York with assets totaling $318.02 Million and providing banking services to more than 15,000 members. Membership: The credit union is a member-owned financial cooperative providing banking services including savings, loans, and other financial services to members. Membership is also open to immediate family of current members.