Online Banking Services Gulf Coast Bank's Online Banking puts you in the driver's seat of your finances. 24 hours/ 7 days a week real time access to your accounts gives you the flexibility and control to bank anytime anywhere. It's fast, easy to use, convenient, completely secure. Login to online banking here. If you are looking to enroll your Gulf Coast Bank business checking or savings account, please click here. Gulf Coast Bank does not charge a fee for using Mobile Banking or Alerts. Message and data rates may apply. Please check with your service provider for specifics on any fees and service charges.