1st Mariner Mortgage Address: 22350 Sussex Hwy, Seaford, DE 19973 Phone: (302) 628-4200 Hours: Mon: 8am-5pm Tue: 8am-5pm Wed: 8am-5pm Thu: 8am-5pm Fri: 8am-5pm Mortgages, Loans Other Businesses: Edward Jones - Financial Advisor: John F Rittenhouse Sr at 559 N Hall St, Seaford, DE 19973-2427 Advance America at 22828 Sussex Hwy, Seaford, DE 19973