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Lost Island Waterpark

Lost Island Waterpark

35 Events

Lost Island Waterpark, Waterloo. 87,170 likes · 2,236 talking about this · 60,190 were here. Lost Island is the largest waterpark in Iowa and a top 5...

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Past Events

  • Fri, 07 Aug 2026 • 10:30 AM

    Youngest at Heart

    2225 E Shaulis Rd, Waterloo, IA, United States, Iowa 50701
  • Mon, 20 Jul 2026 • 10:30 AM

    Daddy & Me

    2225 E Shaulis Rd, Waterloo, IA, United States, Iowa 50701
  • Wed, 15 Jul 2026 • 10:15 AM

    Season Pass Appreciation Day

    2225 E Shaulis Rd, Waterloo, IA, United States, Iowa 50701
  • Mon, 13 Jul 2026 • 10:30 AM

    Mommy & Me

    2225 E Shaulis Rd, Waterloo, IA, United States, Iowa 50701
  • Thu, 09 Jul 2026 • 10:30 AM

    Grandparents' Day

    2225 E Shaulis Rd, Waterloo, IA, United States, Iowa 50701
  • Sat, 04 Jul 2026 • 10:30 AM

    Independence Day Special

    2225 E Shaulis Rd, Waterloo, IA, United States, Iowa 50701
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