Fee: Discover Pass required: $10 day / $45 annual. Reservations: Washington State Parks reservation system
About this park
Harstine Island State Park has miles of forested trails through old-growth forest and a quiet island setting. The park is open 8 a.m. to dusk year round.
Harstine Island State Park FAQ
Where is Harstine Island State Park located?
Harstine Island State Park is in Shelton, Washington, at East Yates Road. GPS coordinates: 47.26535, -122.87787. Get directions.
Is there an entrance fee at Harstine Island State Park?
Discover Pass required: $10 day / $45 annual. Reservations: Washington State Parks reservation system. Fees can change by season, so confirm with the park before you go.
How do I contact Harstine Island State Park?
You can call (360) 426-9226. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Harstine Island State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Coho Campground (35.1 mi, reservable)
- Falls Creek Campground (47.4 mi, reservable)
- Big Creek (Gifford Pinchot National Forest, WA) (56.3 mi, reservable)
How current is this information about Harstine Island State Park?
This listing was last updated on October 9, 2026. If something is out of date, let us know and we'll fix it.