We're eager for you to join our family because we know you'll appreciate our fantastic value and high-quality, personalized service. Join Tidemark Federal Credit Union, with roots in Delaware and Maryland, and partner with a community credit union that's focused on you and your needs.

Join Today

This simple online application walks you through the process of becoming a Tidemark Federal Credit Union member so you can start enjoying all the benefits.


Tidemark Federal Credit Union membership is open to people who live, work, worship, do business in, attend school and volunteer in Sussex County, Delaware, and Wicomico, Worcester, and Somerset Counties in Maryland. There are many additional ways to join; please call us for information.

Switch to Us

Switching your direct deposit and electronic transactions to Tidemark FCU is easy, particularly with our Direct Deposit Advance program.

Banking with a Credit Union

As a not-for-profit institution, our credit union prioritizes members' needs, offers personalized service and structures rates so they're always working in your best interests.