CoastalSouth Bancshares, Inc. operates as the bank holding company for Coastal States Bank that provides various banking products and services to retail and commercial customers. The company offers checking and savings accounts, money market, individual retirement accounts, and certificates of deposit services. It also provides residential mortgages, home equity loans, cash value line of credit, debit cards, and personal and business credit cards, as well as commercial, real estates, and small business administration loans. In addition, the company offers commercial and government guaranteed lending; and specialty banking services, including home builder and senior housing financing, warehouse lending, and correspondent banking. Further, it provides private banking, treasury management, and digital and telephone banking services. It operates retail banking branches in Hilton Head Island/Bluffton, South Carolina; Savannah, Georgia; and north metro Atlanta, Georgia. The company was founded in 2003 and is headquartered in Hilton Head Island, South Carolina.