What’s New


Grand Opening Celebration


Sentinel’s e-Services safe from security threats

Sentinel Federal Credit Union’s website servers remain secure and are not vulnerable to the Heartbleed security threat that you may have heard about in the news. We continue to encourage our Online Banking users to regularly change your passwords to help safeguard your accounts and to set up your PIB Profile which adds extra security controls for your online accounts. To update your PIB Profile, click on “Manage My Security” in your Online Banking account.

Grand Opening Specials

Sentinel Federal Credit Union’s newest branch is now open at 22752 Mule Deer Trail in Box Elder, S.D., which is located along Radar Hill Road near Creekside Estates. We are celebrating the Grand Opening of our Radar Hill Road Branch with the following special offers: Read More »

Act now to buy or refinance your mortgage

If you’re thinking about buying, building, or refinancing a home, it’s a great time to make that move! Low interest rates and flexible terms have made home ownership more affordable than ever. Contact Pat Wahl, our Mortgage Loan Officer today for a free consultation.

Right car. Right loan. Right here with AutoSMART.

Auto Buying Made EasyAs a member of Sentinel Federal Credit Union, you have unlimited access to our auto buying website – AutoSMART. And it’s totally FREE! AutoSMART will connect you with local dealers dedicated to giving you a great deal and we’ll give you an instant loan decision so you can shop with confidence for your new ride.

CUDL AutoSMART has it all:

  • Extensive new and used auto inventories of dealers in your area and exceptional pricing
  • Valuable vehicle research and comparisons
  • Easy-to-use loan calculators

Ask us about this valuable member benefit or visit our CUDL AutoSMART website today.






Sentinel Federal Credit Union’s Routing Number: 291479291