Lost Island Waterpark

Lost Island Waterpark Lost Island is the largest waterpark in Iowa and a top 5 waterpark in the nation as voted in USA Today's 10Best Readers' Choice Awards.
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Come and see what the island vibes are all about at Lost Island Waterpark!

TOMORROW IS THE DAY!Find your sunscreen, pack up your towel, get out those flip flops. Tomorrow you are spending the day...
06/04/2026

TOMORROW IS THE DAY!
Find your sunscreen, pack up your towel, get out those flip flops. Tomorrow you are spending the day on Island time. 🌴

Lost Island Mermaids Ophelia and Nova had a wonderful time at the Waterloo Public Library's Story Time. Get to know our ...
06/03/2026

Lost Island Mermaids Ophelia and Nova had a wonderful time at the Waterloo Public Library's Story Time. Get to know our mermaids at Siren's Landing and see them perform in Mermaid Cove all season long. 🧜‍♀️

And did you know, you can also swim with our mermaids! Check out our website for more information. https://www.thelostisland.com/waterpark/attractions/kids-attractions/mermaids/

Pool fills, lifeguard training, and finishing touches before the season starts! 🌴Don't forget... Friday is opening day A...
06/02/2026

Pool fills, lifeguard training, and finishing touches before the season starts! 🌴
Don't forget... Friday is opening day AND Leave the Office Early day! $19.50 entry at the gate after 2:30pm!

There is nothing like cool water on a hot day. ☀️|Are you ready?!Lost Island Waterpark opens for the season in THREE day...
06/02/2026

There is nothing like cool water on a hot day. ☀️
|Are you ready?!
Lost Island Waterpark opens for the season in THREE days!

One week. Who are you bringing with you to opening weekend at Lost Island Waterpark? 🙋Opening day is June 5th! See you t...
05/29/2026

One week. Who are you bringing with you to opening weekend at Lost Island Waterpark? 🙋
Opening day is June 5th! See you there!

Address

2225 E Shaulis Road
Waterloo, IA
50701

Telephone

+13194556702

Website

https://www.thelostisland.com/park-info/email_info/

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