Sea Lion Aquatic Park

2024 SEASON HOURS

Dates and times are subject to change without notice. The pool will be closed if the wind chill is below 70 degrees or at the manager's discretion based on inclement weather, low attendance, staffing, state and local guidelines, or unusual circumstances. Refunds will not be given - see rain check policy below for further details. For daily updates, call 630-964-3410, ext. 2, opt. 2.

RAIN CHECK POLICY: A re-entry pass will be issued to person(s) who paid a daily fee when within two hours of purchase, the facility closes for the day due to inclement weather. Rain check re-entry passes will be valid until the end of the season in which the pass was issued. In order to receive a rain check re-entry pass, patron must show a valid entry receipt.

WEATHER & AMENITY CLOSURES: The pool may close without prior notice for inclement weather, air temperature or windchill below 70 degrees, attendance less than 30, mechanical issues or pool maintenance. Refunds will not be issued. In addition, certain amenities may be closed for partial usage at staff's discretion.

Daily Open Swim

Guests are welcome to arrive any time during Open Swim. A discounted admission rate is offered for those entering the facility after 6:00pm.

Tot Swim

Tots under 6 years of age with adult are allowed early admittance to the tot pool. Those who wish to stay for Open Swim must exit the facility and pay the daily fee to re-enter (excluding season passholders).

Adult Lap Swim

For adults age 18 years and older who would like to get in a serious swimming workout or just a few laps in the lap pool. Free for Season Passholders and Community Park Fitness Members.

Senior Swim

Adults age 50 years and older are allowed early admittance to the pool. Those who wish to stay for Open Swim must exit the facility and pay the daily fee to re-enter (excluding season passholders).

NOT A SEASON PASSHOLDER?

Admittance to Open Swim, Tot Swim, Adult Lap Swim, and Senior Swim are available for a daily fee, or you can purchase a punch card for a discounted rate. Patrons who wish to stay for Open Swim after Tot Swim or Senior Swim must exit the facility and pay the daily fee (excluding season passholders) to re-enter for the day.

View Admission Rates View Punch Card Rates View Season Pass Rates

2024 REGULAR SEASON: June 1 - August 11

ENTRY
DATE
DAY
TIME
OPEN SWIM June 1 - August 11 Saturday & Sunday 11:00am
Early Admittance for Passholders
Monday - Sunday 11:30am - 8:00pm
SENIOR SWIM June 2 - August 11 Sunday 10:00am
ADULT LAP SWIM June 3 - August 9 Monday - Friday 6:00 - 6:45am
TOT SWIM June 4 - August 1 Tuesday & Thursday 9:00 - 11:00am
INDEPENDENCE DAY July 3 Wednesday 11:30am - 3:00pm
July 4 Thursday 11:00am
Early Admittance for Passholders
11:30am - 6:00pm

2024 POST SEASON: August 17 - September 2

ENTRY
DATE
DAY
TIME
OPEN SWIM August 17 - September 1 Saturday & Sunday 11:00am
Early Admittance for Passholders
11:30am - 6:00pm
LABOR DAY Last Day of Season
September 2
Monday 11:00am
Early Admittance for Passholders
11:30am - 6:00pm

2024 PARTIAL POOL CLOSURES

EVENT
DATE
TIME
**Swim Meet Tuesdays - June 18 & 25
Thursdays - June 13, 20, & 27
6:00-8:00pm
Saturday, June 22 7:00-10:30am
*Passholder Appreciation Night Sunday, June 30
Sunday, July 28
Closed at 7:00pm to general public
Open until 10:00pm for 2024 Passholders
^Independence Day Monday, July 3 Closed at 3:00pm
Tuesday, July 4 Closed at 6:00pm

**Swim Meet Partial Closure: Due to Sea Lion Swim Team home meets, the lap lanes and a portion of the zero-depth area of the main pool will be closed on the following days and times listed above. Every attempt will be made to allow as many portions of the park to remain open; however, Sea Lion Aquatic Park Management reserves the right to close designated areas if circumstances warrant. Thank you for your understanding and cooperation.

*Passholder Appreciation Night: The pool will be closed to the general public and open late just for Sea Lion Aquatic Park season passholders!

^Independence Day: The pool will close early on July 3 due to the Lisle Park District Summer Entertainment Series in Community Park. Ohio Street will be closed at Yackley Avenue beginning at 4:00pm. No through traffic is permitted and no public parking is available short of Handicap parking on the North side of the High School. Short Street will be closed at Route 53 once the Riverview parking lot is full. Parking here is limited so the closure could take place shortly after 4:00pm. For more details, visit lisleparkdistrict.org/summerentertainmentseries.

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