Thunder Lagoon Waterpark

Fenwick Island, DE

Water Fun
4 (4 reviews)

Where are we going?

Address: 38960 Island St, Fenwick Island, DE 19944, USA How do we get there? Number: 302 539 4027
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Attractions Family Days Out
Attractions in Fenwick Island
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About this activity

Enjoying that lovely Delaware summer sun and needing something to cool you down a little? Thunder Lagoon Waterpark might just be the thing you need!

This family friendly waterpark has a ton of super fun activities for all ages. If you are wanting to take it easy a little bit, just sit back and relax in their 400 foot themed Lazy River with fun interactive water gadgets to play with along your journey, or you can try one of their SIX slides! Yep - six!

Thunder Lagoon Waterpark has 2800 square feet of activity pool where kids can splash and have a great time, and for those smaller kids there is their very own 800 square foot kiddie pool.

Thrill seekers - are you listening, because there are some things for you! The water park features a very exciting Black Hole Body Slide, as well as a Twister slide where you can ride double - so kids you can ride with your parents on this one!

Did someone say Vikings? That's because there is a one of a kid tipping Viking Ship - you just wait for those 250 gallons of water to come crashing down - we date you!

Thunder Lagoon Waterpark has plenty of place to lounge, relax, and float, so you can really spend the day just enjoying the atmosphere. 

When you start to feel peckish you can just grab some tasty treats and lunch on the Boardwalk - a lovely family experience!

Grab those goggles and don’t forget those swimming costumes, because this Delaware water park is just waiting for you to enjoy it! 

Activity location


Water fun is waiting for you at 38960 Island Street, Fenwick Island! Or just listen out for the sounds of kids having a great time!

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How much does it cost?



$18 for 2 hours. $24 for 4 hours.



$9 for 2 hours. $12 for 4 hours (Under 42")


Last Updates


Thunder Lagoon Waterpark FAQ’s

The park makes sure safety comes first, so help out by following the height restrictions for all the rides.

The boardwalk have a host of places to pick up something tasty, including funnel cakes, hot dogs, burgers and ice cream!

The park is located right next to the Viking Golf amusements, so make a full day of it and head to both!

Water parks are always a great field trip for kids! Whether it's for sport or celebrating the end of year, give them a call to see what they can do for your group!

If you want something healthy across the day, just bring some snacks and water in your bags.

If you do have any mobility disabilities, just give the park a call before you arrive and see what they can do for you.

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