CoastalSouth Bancshares, Inc. is a bank holding company, which engages in providing banking services designed to meet the needs of retail and commercial customers. Its services include transaction and savings deposit accounts, commercial and consumer lending, mortgage banking, and other activities related to commercial banking. The company was founded by Randy K. Dolyniuk and Ernst W. Bruderer on September 28, 2003 and is headquartered in Hilton Head Island, SC.