State Bank Financial Corp. (NASDAQ: STBZ) will buy the $109 million asset, Savannah, Ga.-based S Bankshares Inc. and its S Bank unit for $11 million. The deal is expected to close in the third quarter of 2016. S Bankshares has banking operations in Savannah, Glennville, Reidsville, and Hinesville, Ga. Its deposits total $95 million and its loans total $79 million. “The port city of Savannah is one of Georgia’s most dynamic markets,” State Bank and Trust CEO Tom Wiley said, in a statement.…