Deane's Children's Park (Dragon Park)
✓ Last confirmed for the 2026 season
Where: 5500 Island Crest Way, Mercer Island, WA 98040, Mercer Island, Washington
When: typically open in warm months (check before visiting)
Hours: typically daylight hours
Cost: free
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Famous for its 50-foot climbable dragon sculpture whose tail doubles as a slide, this wooded Mercer Island park adds two playgrounds, a climbing area and bucket swings for roughly ages 1-10.