Skip to main content
Person scrolling on their mobile phone

Bank When and Where You Want

With a seamless digital experience across all devices, our online and mobile banking gives you the freedom to manage your account on the go, or from the comfort of home.

Why Join St. Mary's Bank?

We're open to everyone and have been putting our members first since 1908. That means we are dedicated to providing the products and services you deserve to help you reach your goals - with some other added discounts and benefits available only to members!
transparent white icon of a light bult

Did you know?

Our Security Center features critical information designed to help protect you from fraud.

londonderry branch

Branch, Featured

St. Mary’s Bank Londonderry Branch Undergoing Renovations to Enhance Member Experience

General, RatesCategories, Featured

The Federal Reserve Cuts Rates: Here’s How It Could Affect You

business security

Security, Featured

Digital Business Services — Security Best Practices