Posey Island Marine State Park
Posey Island, WA · Washington WA State Parks
Serene island escape with old-growth yews, wildflowers, and kayak access.
This 1-acre island gem in Washington's San Juan Islands offers 1,000 feet of pristine shoreline ideal for kayakers and part of the Cascadia Marine Trail. Ancient yew trees, seasonal wildflowers, and vibrant lichen inspire photographers and artists, w