EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT Parent Coastal Financial Corporation State of Subsidiary Percentage Owned Incorporation - ---------- ---------------- ------------- Coastal Federal Savings Bank 100% United States Coastal Federal Mortgage, Inc. 100% South Carolina Coastal Investor Services, Inc. 100% South Carolina Coastal Technology Solutions 100% South Carolina Coastal Real Estate Investment Corporation (3) 100% North 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. (3) First tier operating subsidiary of Coastal Federal Savings Bank, consolidated with Coastal Federal for Regulatory Reporting.