Thunder Lagoon Waterpark

Fenwick Island, Delaware

Closed for the seasonOutdoorDay tickets for the public

Closed for the season

Thunder Lagoon is closed for the 2026 season; mini golf, go-karts and food stay open into the fall.

Recorded from the official website, checked September 30, 2026. Official notice

About this park

Thunder Lagoon is closed for the 2026 season; mini golf, go-karts and food stay open into the fall. Outdoor seasonal water park in Fenwick Island, Delaware, with six slides and a 400-foot lazy river. Timed two-hour tickets are sold at the gate, and parking is free.

No rights-cleared photograph of this park is available. We never substitute a photograph of another venue.

Plan your visit.

Last published admission (the season has ended): Check official prices
Season: Closed for the season

Official visitor information

Independent listing. We do not sell tickets.

Check before you travel

Operating days, ride availability and prices can change. Confirm your date on the official website.

We have not confirmed whether the park is open on any particular day.

Visitor information

Park type: Water parkThe park sells water-park admission separately.
Park setting: OutdoorOutdoor parks usually operate seasonally.
Day visits and access: Day tickets for the publicThe park offers day admission to visitors who are not hotel guests. Availability can vary by date.
Last published admission (the season has ended): Timed 2-hour tickets at the gateTickets are timed 2-hour sessions with an optional 2-hour add-on, bought at the gate with no reservations. The listed prices were for the 2026 season, which has ended. Prices checked September 30, 2026.
Published season (ended): 2026 season through Labor Day, September 7, 2026
2026 season: Friday to Sunday 10 am-6 pm, Monday to Thursday 10 am-4 pm, weather permitting.Exact daily hours and exceptions are on the park’s official calendar.
Address: Route 1, Fenwick Island, DE 19944Street address as published by the park.
Phone: (302) 539-4027
Attractions named by the park: Lazy river, Water slides, Tube slides, Body slides, Activity pool, Kids water play areaIndividual rides have their own height, weight and supervision rules.

Park rules published by the park

Parking: Parking is free on site for Thunder Lagoon guests.
Outside food and drink: Outside food and drinks are allowed; no glass containers.
Ages, heights and supervision: Young children must be supervised by an adult on the lazy river.

Information sources

Every fact on this page comes from the park’s official website. We do not visit parks or rank them.

fenwickfun.com/waterparkSupports: access, address, admission, classification, day pass, features, hours, operator, phone, rules, season. Checked September 30, 2026.
fenwickfun.com/homeSupports: status. Checked September 30, 2026.

Thunder Lagoon Waterpark

About this park

Plan your visit.

Check before you travel

Visitor information

Park rules published by the park

Information sources

Nearby water parks.

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