Lost Island Waterpark
Consistently ranked among the best in the nation, Lost Island Waterpark is a premier tropical oasis featuring over 11 major…
Dive into a world built from the ground up on its own original mythology, where you can conquer the nation’s top-rated new single-rail coaster, and explore five immersive elemental realms that transport you far beyond the Midwest.
Battle for the island's survival in this award-winning 4D interactive dark ride, where you’ll face animatronic lava monsters and fire demons using "thermal blasters" to recover a stolen relic.
Experience the Midwest's first single-rail coaster, a high-speed journey that sends you through three inversions and a near-vertical drop at over 50 mph.
Unleash your inner speed demon on this high-intensity hydraulic launch coaster that shoots you from zero to 47 mph in just two seconds before diving into loops and rolls.
Embark on a heart-pounding aquatic adventure through the Yuta (Earth) realm on this Super Flume that combines the speed of a roller coaster with a massive, soaking splash finish.
Take control of your own flight in the Udara (Air) realm on this interactive ride where you use adjustable wings.
Explore five immersive realms—Udara (Air), Awa (Water), Yuta (Earth), Mura (Fire), and Tamariki (Spirit)—where original storytelling and world-class thrills like the nation’s top-rated new single-rail coaster create a tropical escape found nowhere else in the Midwest.
Yes. Most of the attractions have a height requirement. These requirements can be found on the Rides & Attractions and Safety & Rules pages of Lost Island's website. The requirements are also located on signs at the entrance of each ride.
Lost Island stays open in the rain! For everyone's safety, in the event of lightning, all water rides will be cleared for 30 minutes after the last lightning is seen.
Lost Island Themepark does not have a rental reservation system and does not guarantee access to any overall rental equipment. Limited quantities of electric scooters, wheelchairs, and strollers are available. All rentals are on a first come, first served basis.
All bags are subject to inspection at the gate. While outside food and coolers are not permitted, guests are allowed to bring in an empty water bottle to use at filling stations throughout the five realms.
Lost Island Waterpark
Consistently ranked among the best in the nation, Lost Island Waterpark is a premier tropical oasis featuring over 11 major…
Waterloo/ Lost Island Waterpark KOA Resort4550 Hess Road
Waterloo, Iowa 50701
United States
4550 Hess Road Waterloo, Iowa 50701 (319) 233-3485 Website
Stay in Waterloo
Choose to stay in a one-of-a-kind hotel, historic B&Bs, modern & welcoming hotels or exciting camp grounds.
Food & Drink
What’s your food mood? Waterloo offers fresh, local cuisine from wood-fired Neapolitan pizza to classic American soul food, sushi, burgers…
Cookies Policy
We use cookies to optimize your browsing experience for the purpose of personalizing and measuring the effectiveness of ads. By clicking "Allow All", you consent to our use of cookies.