Mystic Waters Family Aquatic Center
✓ Last confirmed for the 2026 season
Where: 2025 Miner St., Des Plaines, Illinois
When: Late May through late August
Hours: typically daylight hours
Cost: free
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A Des Plaines Park District aquatic center with slides, a lazy river, the zero-depth Dolphin Bay full of fountains and jets, and Beluga Beach, a no-standing-water zone built for toddlers. Admission is required, with a small extra fee to bring in a picnic lunch.