Idaho
Eagle Island State Park
Verified by America’s State Parks Editorial Team – Updated February 2026
Eagle Island State Park is Boise’s ultimate summer destination—a man-made lake with sandy beach, water slide, and paddleboard rentals surrounded by the Boise River! Perfect for families seeking water fun.
Water Activities
| Activity | Details |
|---|---|
| 🏖️ Beach Swimming | Sandy beach, man-made lake |
| 🎢 Water Slide | Memorial Day – Labor Day |
| 🛶 Paddleboard Rentals | On-site concessionaire |
| 🎣 Fishing | Main pond + Boise River |
Camping (Limited)
| Info | Details |
|---|---|
| 🚐 RV Sites | Limited availability |
| 💧 Winter Water | Shut off Oct 28 – Apr 1 |
| 🚤 Boats | Non-motorized only |
FAQ
Can I float the Boise River from here?
The park borders the Boise River on both sides, but the main float goes Barber Park to Ann Morrison Park—not from Eagle Island directly.
🎢 Boise’s Water Playground
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Last updated: February 20, 2026
