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Who We Are

Southeast CASA serves children in Yankton, Clay, Bon Homme, Turner, and Union counties in South Dakota

Our mailing address is :
Southeast CASA 
P.O. Box 7017 
Yankton, SD  57078-7017

Our Main Office in Yankton is at 413 W. 15th Street, Suite 108 (no mail delivered to this address)

Our satellite office is in Vermillion (no mail delivered to this address) in the Community Connections Center building at 9 Court Street.

  • Yankton Medical Clinic
    Yankton Medical Clinic
  • First Dakota National Bank
    First Dakota National Bank
  • Sanford Vermillion
    Sanford Vermillion

    Sponsor of CASA training

  • United Way Yankton
    United Way Yankton

    Yankton County agency

  • United Way Vermillion
    United Way Vermillion

    Clay County agency

  • Vishay

    Annual sponsor

  • Kolberg Pioneer
    Kolberg Pioneer

    Annual sponsor