Thursday, July 26

Beat the heat from 12:00-3:00pm with reindeer games and a visit from Santa at 1:00pm.


Thursday, August 9

We will have special discounted pricing all day at Sammy's Snack Shack.

Sunday, July 22 from 7:00-10:00pm

Sea Lion Aquatic Park Pass Holders, please join us for a special night in your honor! The pool will be closed to the general public and open late just for you! Bring the family for a night under the stars complete with a DJ, 2019 pool pass raffle, and food specials at Sammy's Snack Shack! No registration necessary.

Date Day Time Fee
July 22 Sunday 7:00-10:00pm Free for Pass Holders


Saturday, August 4 from 9:30-11:00am

Put your engineering hats on...and your bathing suit too! The Cardboard Boat Regatta is a hilarious special event allowing participants to show off their boat-building skills. Join us at Sea Lion Aquatic Park for a morning of comical fun by testing the waters in your cardboard boat. Compete against other teams or come out to watch the entertainment! All Ages Welcome!

Prizes will be awarded for: Pride of the Regatta (most spectacular boat entry); Best Dressed (most creative team costumes); Team Spirit (most spirited team); 1st Place Race Winners; Titanic Award (most valiant effort to keep boat afloat while sinking); Battleship Winner.

*All participants are required to fill out a waiver. Download the registration form & waiver below, and email the completed form to Laura Cavazos at

Date Day Time R/NR Reg. By
August 4 Saturday 9:30am Boat Check-In
9:45am Pre-Race Voting
10:00am Races Begin
10:30am Battleships Begin
$20 / $30 Per Boat July 31

Click Here To Register Online

Download the Registration Form & Waiver


Join Us On Friday, August 17 from 7:00-9:30pm

Location: Sea Lion Aquatic Park - 1825 Ohio Street, Lisle
Get your friends together and meet up at Lisle Park District’s Sea Lion Aquatic Park. We are shutting the doors to the public and keeping it open late just for you! Our DJ will be playing your favorite songs as you swim or hang out poolside with all of your friends. There may even be a contest or two thrown in just for good measure. Grades: 6-9.

Register at your park district today, or you can pay at the door! Residents of Bolingbrook, Downers Grove, Lisle, Westmont and Woodridge Park Districts will receive the resident rate for this event.

Day Date Time R / NR Reg. By
Friday August 17 7:00-9:30pm $5 Register at your park district or pay at the door!

Click Here To Register Online