CoastalSouth Bancshares, Inc. is a bank holding company. The services offered include transaction and savings deposit accounts, commercial and consumer lending, mortgage banking, and other activities related to commercial banking. It operates through its banking subsidiary, Coastal States Bank (CSB). CSB operates retail banking branches in three main retail markets, including Hilton Head Island/Bluffton, South Carolina, Savannah, Georgia, and north metro Atlanta, Georgia. CSB also has other commercial lines of business that operate on a national platform, such as government guaranteed lending, including both Small Business Association (SBA) and United States Department of Agriculture (USDA) lending, senior housing lending, and the Mortgage Banker Finance division, which provides warehouse lending to independent mortgage originators. CSB has one wholly owned subsidiary, Coastal States Mortgage, Inc. (CSM), a mortgage company focused on originating and selling residential mortgages.