A Nationally Recognized, Award-Winning Aquatic Park Everyone Can Enjoy!

Sea Lion Aquatic Park is an award-winning water park that offers refreshing summertime fun for residents and visitors. It is the perfect venue for birthday parties or other celebrations.

Sea Lion Park features a large open swim area that slopes upward to a zero-depth shallow end, which allows for easy entry into the pool for everyone. With two 50' body flume slides, two drop slides, a vortex pool, splash playground, sand & kiddie water play area, teen pool and more, there's something fun for everyone! Adult and senior designated swim schedules are offered as well.

Sea Lion Aquatic Park offers a full-service concession stand, locker room facilities, party rentals, swimming lessons, water fitness classes, Sea Lion Swim Team activities and special events throughout the summer.

2020 Season Passes Go On Sale December 2!

Click Here to Learn More About Our 2020 Sea Lion Aquatic Park Memberships


Hours of Operation



Contact Information

From time to time the pool may be closed for a specific reason, you may have an emergency and need to contact someone at the facility, need last minute swim lesson information, or have other questions about pool events and operation. Please utilize these phone numbers, check the website, and look at the Sea Lion Aquatic Park sign for updates on pool happenings.

Phone Hotline: 630-964-3410, ext. 2, opt. 2

  • Option 1 - (Hours and Fees)
  • Option 2 - (Daily Pool Update / Weather / Closings)
  • Option 3 - (Facility Rentals and Birthday Parties)
  • Option 4 - (Swim Lesson Hotline)
  • Option 5 - (Swim Team Hotline)
  • Option 6 - (Pool Manager)
  • Option 7 - (Lifeguard Office)

Emergencies: 630-964-3410, ext. 4321

Rental, Birthday Party, or Group Reservations: Laura Cavazos, 630-353-4308

Email: lcavazos@lisleparkdistrict.org


Weather & Other Closings

Sea Lion Aquatic Park will not be in operation under the following conditions and refunds or prorated fees will not be given under the following circumstances:

  • Forecasted weather is below 68 degrees according to the National Weather Service.
  • Lightning, severe rain, or any other condition that would jeopardize swimmer safety.
  • Mechanical failure - if this occurs you will be notified of the option to attend other local facilities.
  • Special events.
  • From time to time, the temperature may be above 68 degrees, however, weather conditions are not appropriate for swimming.
  • Low attendance. (Low attendance closings will be under the discretion of the Sea Lion Aquatic Park Management).

Please Note

  • Certain park features may close due low attendance.
  • If the pool is closed at the 11:30am opening, attempts to re-open the pool will be made throughout the day, weather permitting.

Rain Check Policy
  • A re-entry pass will be issued only to person(s) who paid a daily fee and within 2-hours of purchase if the facility closes for the day due to inclement weather. Rain check re-entry passes will be vaild until the end of the season in which the pass was issued. In order to redeem rain check re-entry pass, patrons must show a vaild entry receipt.

Call 630-964-3410, ext. 2, opt. 2 for daily pool opening and closing information.