Long Neck DE Branch

Our Long Neck, DE, credit union branch expands access to our valuable products and in-branch services in Sussex County. We look forward to serving our members at this new location.


We love to see your smiling face


At our Long Neck, Delaware, credit union branch on Rt. 24 our helpful team answers your questions and provides neighborly service to support your personal and business financial goals.


24940 John J. Williams Highway
Millsboro, DE 19966
P: 302-629-0100

Day Lobby Drive-Thru
Monday - Thursday 9 a.m. - 5 p.m. 9 a.m. - 5 p.m.
Friday 9 a.m. - 6 p.m. 9 a.m. - 6 p.m.
Saturday 9 a.m. - 12 p.m.  

Our Drive-Thru Express Teller Machine is open 24/7 for self-service transactions.

2019 Holidays

Tidemark Federal Credit Union branches will be closed on the following holidays in 2017. Keep in mind, you always have access to your account through OnlineMobile and Phone Banking.

Holiday Date
New Year's Day Tuesday, January 1
Birthday of Martin Luther King, Jr. Monday, January 21
Washington's Birthday Monday, February 18
Memorial Day Monday, May 27
Independence Day Thursday, July 4
Labor Day Monday, September 2
Columbus Day Monday, October 14
Veterans Day Monday, November 11
Thanksgiving Day Thursday, November 28
Christmas Day Wednesday, December 25
  • ATM
  • Express Teller Machines provide either self-service option or live video interaction with teller
  • Notary services
  • Night deposits
  • Instant Issue VISA Debit and Credit Cards
  • Emergency Checks