State: Washington
City: Friday Harbor
Zip: 98250
Phone: 360-378-2044
Open all Year: Yes
Number of Sites: 2
Camp URL: http://www.parks.wa.gov/parks/?selectedpark=Posey%20Island
Full Hook: Yes
Free: No
About: Posey Island State Park is a small, one-acre marine camping park with 1,000 feet of shoreline. It is located a quarter mile north of Pearl Island, near Roche Harbor, San Juan Island. Posey Island is part of the Cascadia Marine Trail. All onshore campsites are for the exclusive use of boaters arriving by human- or wind-powered watercraft.