Hours of Operation

  • 31227 436th Ave
    Yankton, SD 57078

    Aquarium:
    April 1-30: 10 AM to 3 PM (M-F)
    May1 – Labor Day: 10 AM to 5 PM (7 days per week)
    Labor Day - September 30: 10 AM to 3 PM (M-F)

    Hatchery Building:
    Year round: 7 AM to 3 PM (M-F), excluding holidays
    Memorial Day – Labor Day: 7 AM to 3 PM (7 days per week)