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Lost Island Themepark

4.5 ★★★★★ 646 Google reviews · Indoor playground in Waterloo, Iowa

Sensory-friendly

Fantasy themed park with family-friendly rides, plus dining options and play areas.

Plan your visit

Hours

Monday 10:30 AM–6:30 PM
Tuesday 10:30 AM–6:30 PM
Wednesday 10:30 AM–6:30 PM
Thursday 10:30 AM–6:30 PM
Friday 10:30 AM–9:30 PM
Saturday 10:30 AM–9:30 PM
Sunday 10:30 AM–6:30 PM

Hours can shift for holidays and private events — worth a quick check before a special trip.

What parents highlight

The things reviewers bring up again and again across 646 Google reviews — with their own words as proof.

🧼 spotless & clean 8 mentions

“Each realm is beautifully designed with incredible attention to detail, and the entire park is spotless and extremely well maintained.”

😊 friendly staff 4 mentions

“Meticulously maintained, attentive staff, great variety of rides.”

🧩 sensory-friendly

What parents say

I'm a roller coaster enthusiast who just finished a multi-day midwest trip to check out some parks that I had never before visited. I was a little skeptical about Lost Island, as I knew that their new RMC Raptor "Fire Runner" would still not be open, and the only two other coasters are an SLC (notorious for being…

★★★★★ — Zachary, Jul 2025

This was such a great adventure for our family and an unexpected find in the middle of Iowa. The park was beautiful and incredibly clean. This is a great place to take children of all ages and for the adventurous adults as well. The two roller coasters are very exciting.

★★★★★ — Shane, Aug 2023

The best theme park in the Midwest hands down. Folks that have given this place less than 5 stars more than likely have never built a papier-mâché volcano for a 4th grade science project much less an entire immersive theme park in the middle of Iowa. Here are some reasons you should visit: 1. Family owned 2.

★★★★★ — Chad, Jul 2025

What a BLAST! I took two of my kids and we flew in from Florida to experience the water park and theme park. We stayed at the Isle of Capri across the street. The theme park is a FULL DAY of fun. This is *not* a small park - they have it packed full of fun rides.

★★★★★ — Pat, Aug 2025

Excerpts from public Google reviews. Read all 646 reviews →

Sensory-friendly play

Lost Island Themepark is mentioned for sensory-friendly sessions — typically quieter play times with lights and music turned down. Schedules for these change, so call ahead to confirm the next session before you go.

Where to find Lost Island Themepark

2600 E Shaulis Rd, Waterloo, IA50701

Get directions Instagram · Facebook

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Listing verified July 2026 from public business records and parent reviews. Something out of date? Report a correction. Own this playground? Claim your listing — it's free.