Sea Lion Aquatic Park

Sea Lion Aquatic Park

1825 Short St., Lisle, IL 60532

630.964.3410 | lisleparkdistrict.org

Lisle Park District is pleased to offer their resident rates to Downers Grove Park District residents for season pool passes in 2026! These rates are available due to a reciprocal agreement between the Downers Grove Park District and Lisle Park District to provide aquatic park season passes at Lisle Park District resident rates to Downers Grove Park District residents in exchange for Lisle Park District residents receiving Downers Grove Park District resident rates for Fitness Memberships at 4500 Fitness.

Resident rates apply to season passes only and do not apply to daily admissions. 

Reciprocal Season Pass Benefits

• Unlimited visits to Sea Lion Aquatic Park during the 2026 season
• Early entry on weekends and holidays (30 minutes before general public)
• 2 Free daily admission guest passes for one-time use (2 per household)
• Complimentary access to two Passholder Appreciation Nights
• Member rates for Swim lessons, Swim team, Aqua aerobics and rentals*
  • *Downers Grove residents must follow non-resident registration dates as published in Lisle's Summer Guide

Sea Lion Aquatic Park Season Pass Info

How to Purchase your season Pass

You must first receive a Residency Verification Letter from the Downers Grove Park District. Once received you will need to bring your residency letter to the Lisle Park District Recreation Center Registration Desk, 1925 Ohio Street in Lisle. Monday-Friday 9:00am-5:00pm    

how to obtain your residency verification letter

To begin the process, you will register one family member through our online registration system.

If you do no not have an account with us, you will need to create one, making sure you include family members. New accounts must complete an audit process before being eligible to register.  You can learn more about the audit process on our website at https://www.dgparks.org/how-to-register

Nanny's, Grandparents, Grandchildren, Aunts, Uncles, Cousins, friends, etc., not living at the address listed will not be verified as part of your household verification letter. All minor children must be in your legal guardianship. A current Driver's License or State ID, or other form of ID showing residential information may be required for any family member in question.

Once your registration is complete, you will be emailed a residency verification letter that you will take with you to purchase your season pass. You must have this verification letter with you, emailed or faxed copies will not be accepted.

Register for your Residency Verification Letter

Sea Lion Aquatic Park Amenities

• Flume slides
• Drop slides
• Tot pool
• Zero depth pool
• Vortex pool
• Leisure pool
• Splash playground
• The Snake Water Walk
• Sand play area
• 6 lap lanes
• Sammy's Snack Shack