Hello, Summer!: Sea Lion Aquatic Park Opens For 2025 Season

LISLE, IL — Sea Lion Aquatic Park is set to open its 2025 season on May 31.

The water park offers digital punch cards good for 10 daily visits and season passes that get pass holders unlimited visits throughout the season.

Subscribe

Season pass benefits include:

• Unlimited park visits
• Two free daily guest passes
• Early entry
• Free admission to appreciation nights
• Discounts on swim classes and other aqua fitness programs
• Discounted facility rental

Season passes are $149 for residents and $255 for nonresidents. For seniors who are 50 years old or older, individual season passes are $137 for residents and $243 for nonresidents. Two-, three- and four-person family season passes are also available, with the option to add more family members.

A partnership between the Lisle and Downers Grove Park Districts allows Downers Grove residents to show ID and proof of residency to get the same season pass discounts as residents of the Lisle Park District.

Sea Lion Aquatic Park will be open Monday through Sunday from 11:30 a.m. to 8 p.m. Season pass holders can take advantage of early admission to get into the park at 11 a.m.

Lap swimming is available on select days. The regular 2025 season will end on Aug. 10.

Click the link to get more information about Sea Lion Aquatic Park.