ATM Locator

Sentinel FCU ATM

You may access your account, fee-free, by using your Sentinel Federal Credit Union Debit Card at the following Sentinel Federal Credit Union-owned ATMs:

447 North Ellsworth Road
Box Elder, SD 57719

22752 Mule Deer Trail
Box Elder, SD 57719

18 Mount Rushmore Road
Custer, SD 57730

2723 Lemay Blvd
Ellsworth AFB, SD 57706

2932 Arnold Dr
Ellsworth AFB, SD 57706

1430 Haines Ave
Rapid City, SD 57701

4011 Triple Crown Dr
Rapid City, SD 57701

511 E 2nd St
Winner, SD 57580


Now you can get cash surcharge-free* at more ATMs than ever. Our members can visit any of nearly 30,000 ATMs that display the CO-OP logo. So whether you’re across town, or far from home for work or pleasure, you’re never far from your money.

  • Use surcharge-free ATMs at places like 7-Eleven®, Costco® and Walgreens
  • Make deposits at nearly 9,000 ATMs
  • Never pay a surcharge at participating locations when your ATM card has the CO‑OP logo on the back
  • Locate an ATM wherever you are—through any of our easy locator tools, including phone, mobile app, text messaging or Internet

Find a surcharge-free ATM right now at or call 1-888-SITE-CO-OP.


Armed Forces Financial Network (AFFN) ATM

The convenience of ATM access to your funds is available at locations near military bases all around the globe. Locate an ATM at the AFFN Resources site.


*There are no surcharge fees at ATMs that display the CO‑OP logo. Per our Common Features (Fee Schedule) there is a $1.25 fee per ATM withdrawal/transfer at machines we do not own and a $.50 fee per Account Balance Inquiry.