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

Rapid City, SD: Drive-Up ATMs
Haines Branch: 1430 N. Haines Ave.
Triple Crown Branch: 4011 Triple Crown Drive

Ellsworth AFB, SD
Drive-Up ATM: Located in BX Parking Lot
Walk-Up ATM: Located in Shoppette

Box Elder, SD: Drive-Up ATM
Next to Kopren Motors Dealership: 208 Frontage Road