EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT Parent Coastal Financial Corporation Percentage State of Subsidiary Owned Incorporation - ---------- ----- ------------- Coastal Federal Savings Bank 100% United States Coastal Federal Mortgage, Inc. 100% South Carolina Coastal Investments Corporation 100% South Carolina Coastal Technology Solutions 100% South Carolina Coastal Mortgage Bankers and Realty Co., Inc. (1) 100% South Carolina Shady Forest Development Corporation (2) 100% South Carolina Sherwood Development Corporation (2) 100% South Carolina Ridge Development Corporation (2) 100% South Carolina 501 Development Corporation (2) 100% South Carolina North Beach Investment, Inc. (2) 100% South Carolina - ----------------------- (1) First tier subsidiaries of Coastal Federal. (2) Second tier subsidiaries of Coastal Federal and first tier subsidiaries of Coastal Mortgage.