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Is Posey Island open right now?

Q: Is Posey Island open right now?

As of October 14, 2026, Posey Island is open. No closures reported by Washington State Parks.

Washington State Park · WA

Open

Posey Island is open.

Why this statusNo closures reported by Washington State Parks.

Last checked Wed, 14 Oct 2026 13:00:58 GMT

View on parks.wa.gov ↗ ← Back to the map

Posey Island State Park is a 1-acre (0.40 ha) public recreation area encompassing Posey Island in San Juan County, Washington, United States.

Type: Washington State Park
State: WA

About Posey Island

Posey Island State Park is a 1-acre (0.40 ha) public recreation area encompassing Posey Island in San Juan County, Washington, United States. The island is located .25 miles (0.40 km) north of Pearl Island, near Roche Harbor, San Juan Island, and has about 1,000 feet (300 m) of saltwater shoreline on Spieden Channel. The park's two campsites are part of the Cascadia Marine Trail and are restricted to visitors arriving in non-motorized watercraft. The island-park is managed by the Washington State Parks and Recreation Commission. It became a state park in 1960 under lease from the U.S. Bureau of Land Management.

Read more on Wikipedia ↗ Text from Wikipedia, CC BY-SA.

Visitor info

Websiteparks.state.wa.us/567/Posey-Island ↗

ReviewsSee ratings & reviews on Google Maps ↗

Parks near here

Stuart Island 4 mi
Jones Island 5 mi
Lime Kiln Point 7 mi
San Juan Island National Historical Park 9 mi
Blind Island 11 mi
Turn Island 11 mi

More in Washington

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How we read this status

We derive Posey Island's status from the park system's public alerts, refreshed hourly — this is our reading, not an official determination. As of the last check: No closures reported by Washington State Parks. Full method: how we check park status.