We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

Lost Island Water Park

Open Now: 10:30 - 18:30
Open today: 10:30 - 18:30
Review Highlights
Fun time

Love the fact we have such a great water attraction in our community. The water park offers all the... read more

Reviewed 2 October 2018
Amy O
Waterloo, Iowa, United States
via mobile
Fun day out

Lost Island is a great place for the entire family. Enough slides for everyone to enjoy. The staff... read more

Reviewed 2 October 2018
Waterloo, Iowa
via mobile
Read all 225 reviews
All photos (43)
Full view
Certificate of Excellence
Traveller Overview
  • Excellent67%
  • Very good26%
  • Average5%
  • Poor1%
  • Terrible1%
Travellers talk about
“lazy river”(35 reviews)
“wave pool”(28 reviews)
“water coaster”(13 reviews)
Lost Island is a tropical getaway hidden in the heart of the Midwest! Have you ever seen palm trees in Iowa? How about mysterious ancient ruins? Walking through the gates at Lost Island will make you feel like you just stepped off a plane in some...more
Open Now
Hours Today: 10:30 - 18:30
See all hours
2225 E Shaulis Rd, Waterloo, IA 50701-9573
+1 319-233-8414
Reviews (225)
Filter reviews
225 results
Traveller rating
Traveller type
Time of year
Show reviews that mention
All reviews lazy river wave pool water coaster all ages life guards roller coaster season pass every summer entire family short lines fries big slides love this place food drinks waiting in line picnic lunch flip flops
Updating list...
1 - 10 of 225 reviews
Reviewed 2 October 2018 via mobile

Love the fact we have such a great water attraction in our community. The water park offers all the amenities we wanted to enjoy. Food is pricey but it’s nice you can go to your car and come back in if you need to leave...More

Thank Amy O
Reviewed 2 October 2018 via mobile

Lost Island is a great place for the entire family. Enough slides for everyone to enjoy. The staff are very friendly and the park is always clean. Very fun!

Thank lmidd2000
Reviewed 26 August 2018 via mobile

Awesome place for fun with grandkids!! Clean, safe, many lifeguards on duty. Some thing to do for all ages.

Thank BirthdayTribe
Reviewed 20 August 2018

This is my first "real" water park. I have always avoided them expecting long lines for a few seconds of fun. Visited on a weekday with perfect weather and had a blast! Longest line was probably around 30 minutes for a couple of the most...More

Thank J G
Reviewed 20 August 2018

Every age can enjoy this park. Old, Young, families with toddlers, this park has something for every one. Slides with mats, slides with tubes, slide with rafts, slides for just you and your swim suit, and even a roller coaster-like slide. Wave pool, lazy river,...More

Thank David S
Reviewed 17 August 2018 via mobile

Spent the day here with my daughter’s, and let me tell you how nice it is that they are all tall enough and we can ride on things as a family. I don’t know why we didn’t visit this place sooner. We loved it! The...More

1  Thank Ryan Becky J
Eric B, General Manager at Lost Island Water Park, responded to this reviewResponded 18 August 2018

Becky - We cannot wait to welcome you back! Thank you for visiting.

Reviewed 14 August 2018

I've been to Lost Island many times, and have always had a great time! This time I went with some friends and we rented one of the Standard Cabanas. In my opinion, they are well worth the money! You get chairs and a table, and...More

Thank alyssakl277
Reviewed 12 August 2018

We do this Waterpark very year for a fun/quick family trip. ALWAYS a great experience (although the price has increased which was a bit disappointing )

Thank IowaRN59
Reviewed 12 August 2018 via mobile

This is a good place to spend a summer day. There are enough choices for different water experiences for almost anyone. We found the place to be very clean and well maintained. The lines for most of the attractions were never so oppressive that we...More

Thank VillagerRick
Eric B, General Manager at Lost Island Water Park, responded to this reviewResponded 18 August 2018

VillagerRick - Thank you for your feedback. We are happy you enjoyed your visit, aside from our concessions. That experience is definitely something we would like to rectify, and our Food & Beverage Manager has been notified to be sure the food going out to...More

Reviewed 9 August 2018 via mobile

First time at Lost Island. The park is clean, the lifeguards are friendly and attentive, the drink prices weren’t bad. The lines move pretty fast. The water coaster is awesome. Wave pool is fun but could be larger. Lazy River is too shallow to have...More

Thank Barb C
View more reviews
Nearby HotelsSee all 16 nearby hotels
Isle Casino Hotel Waterloo
231 reviews
.68 km away
Country Inn & Suites by Radisson, Waterloo, IA
370 reviews
2.12 km away
Fairfield Inn & Suites by Marriott Waterloo Cedar Falls
167 reviews
2.12 km away
Motel 6 Crossroads Mall-Waterloo-Cedar Falls
65 reviews
2.17 km away
Nearby RestaurantsSee all 149 nearby restaurants
Otis & Henry's Steakhouse
46 reviews
.67 km away
Chick Fil A
17 reviews
2.11 km away
Southtown Bar & Restaurant
49 reviews
2.27 km away
Freddy's Frozen Custard & Steakburgers
16 reviews
1.88 km away
Nearby AttractionsSee all 37 nearby attractions
John Deere Tractor & Engine Museum
139 reviews
6.79 km away
Sullivan Brothers Iowa Veterans Museum
86 reviews
5.87 km away
Phelps Youth Pavilion
34 reviews
6.37 km away
Questions & Answers
Ask a question
Amanda B
11 August 2018|
AnswerShow all 3 answers
Response from Eric B | Property representative |
Amanda - Either method will work. We can scan printed tickets and validate mobile tickets at the turnstiles!
Penny P
12 July 2018|
AnswerShow all 2 answers
Response from Eric B | Property representative |
Penny - Lost Island allows life vests, and even offers them to use for FREE. They are also allowed on our rides, though riders must still meet height requirements.
15 June 2018|
Response from Eric B | Property representative |
This is very subjective, educate7. Most days the wait for most rides is under 10 minutes. On weekends when the weather is hot, wait times may be as long as 30 minutes.