Take advantage of the latest Santander Bank bonuses, promotions, and offers here. Update 1/19/26: The $400 checking bonus is back with a new link valid through 3/31/26. Santander Bank Bonuses Review With Santander Bank, they’re headquartered in Wilmington, Delaware and was established in 1907. Since then they have grown to 628 locations, they offer money market rates … Continue reading Santander Bank Bonuses: $400 Checking Promotions (Many States)