Waterpark Admission

Online Waterpark admission purchases allows you to print your ticket at home and use it any day during the 2017 season.  You can proceed directly to our wristband station.


  • Height and weight restriction apply for some rides

  • No rivets on swimwear for some rides.

  • Sorry no refunds for rain.

2018 Online Day Pass 

$25.00 - Plus tax

(48" and Over)

At Gate: Children Day Pass

$22.66 - Plus tax

(47" and Under)

Ages 3 & Under - FREE

2018 Online Season Pass 

$150.00 - Plus tax

2018 Online Gold Season Pass

$175.00 - Plus tax

Gold membership entitles you to unlimited access to the waterpark, free refillable mug, discounts on golf, and cabana rental, discount admission for friends and family., 10% discount on food.

2017 2-Day Pass

$44.00 - Plus tax

Price does not include tax.

** Online Purchases:
The form you will print when purchasing online IS YOUR TICKET. Treat it with care. Bring the ticket to the park entrance to be scanned for authenticity. Do not make copies of the ticket. The first ticket scanned will be admitted; duplicates will be rejected. Tickets can be transferred by email. Lost or stolen tickets can be replaced. All tickets must be used in the current Lost Island season. Click here for schedule.

Please contact our Online Purchasing Customer Service with questions regarding the online purchase process. Call: 319-233-8414, durning normal buisness hours or email: info@thelostisland.com

We accept these major credit cards:

Return Policy:
Once the ticket has been purchased. Your ticket is non-refundable.

Prices are per visitor.


Due to weather, daily schedules are subject to change at the discretion of management. For the safety of our staff and guests, the park will close if the temperature drops below acceptable standards. If weather conditions are questionable please call ahead, 319-233-8414, to confirm park is open.