45th Avenue Playground (Boat Playground)
✓ Last confirmed for the 2026 season
Where: 4414 Lincoln Way, Golden Gate Park, San Francisco, California
When: typically open in warm months (check before visiting)
Hours: typically daylight hours
Cost: free
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Tucked behind trees on Golden Gate Park's southwestern edge, this ocean-themed spot is known to locals as the Blue Boat Playground for the large vessel docked in its sand play area. Surrounding trees keep it shadier and cooler than most city playgrounds, and there is an on-site restroom and a small party lawn.