Stuart Island State Park, Marine state park in San Juan County, United States
Stuart Island State Park is a marine state park in San Juan County featuring two natural harbors named Reid and Prevost suitable for water-based activities. The property includes primitive campsites positioned around its extensive shoreline.
The island was named in 1841 by the United States Exploring Expedition, led by Charles Wilkes, after Frederick D. Stuart, the expedition's clerk. The name recalls the U.S. scientific mission that charted the Pacific Northwest.
The park reflects regional maritime traditions by reserving four campsites specifically for paddlers and sailors using human power or wind. This choice shows how water-based practices still shape life here today.
Visitors can reach the site only by boat and should expect primitive conditions throughout. The best time to visit is during warmer months when water conditions are most favorable for crossing.
The park's 18 primitive campsites include four reserved for boaters who arrive without a motor, such as kayakers and sailors. The park also lies on the Cascadia Marine Trail, a paddling route along Puget Sound.
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