CoastalSouth Bancshares, Inc. is a bank holding company headquartered in Hilton Head Island, South Carolina. CoastalSouth provides a wide range of commercial, consumer, and mortgage banking services through its wholly owned subsidiary, CoastalStates Bank. CoastalStates Bank is the largest private community bank headquartered in Hilton Head Island and has the 4th largest deposit market share in Beaufort County, South Carolina.