Fee: Fees: mooring buoy $23; dock moorage $1/vessel ft. Reservations: Washington State Parks reservation system
About this park
Much of James Island is closed to public access to protect critical habitat, but the water-access-only island still offers emerald coves, forested trails, views and an isthmus with two white sand beaches. The park is open 8 a.m. to dusk year round and has mooring buoys and dock moorage.
James Island Marine State Park FAQ
Where is James Island Marine State Park located?
James Island Marine State Park is in Blakely Island, Washington, at Boat access only. GPS coordinates: 48.51225, -122.77513. Get directions.
Is there an entrance fee at James Island Marine State Park?
Fees: mooring buoy $23; dock moorage $1/vessel ft. Reservations: Washington State Parks reservation system. Fees can change by season, so confirm with the park before you go.
How do I contact James Island Marine State Park?
You can call (360) 376-2073. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near James Island Marine State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Douglas Fir Campground (47.7 mi, reservable)
- Boulder Creek Campground (51.3 mi, reservable)
- Excelsior Group Camp (51.4 mi, reservable)
How current is this information about James Island Marine State Park?
This listing was last updated on October 8, 2026. If something is out of date, let us know and we'll fix it.