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Stuart Island Marine State Park

Puget Sound and Islands > San Juan Islands
48.6778, -123.1984 Map & Directions
Prevost Harbor from the island. Photo by Blue Hiker. Full-size image

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Accessible only by water, this state park has primitive campgrounds, trails to explore and incredible views of the Puget Sound. Continue reading

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Hiking Stuart Island Marine State Park

Sitting right up against the oceanic U.S.-Canada border on the U.S. side, the 433-acre Stuart Island Marine State Park is only accessible via boat.

There are miles of shoreline here, with 14 primitive campsites and 4 marine trail sites, available on a first-come, first-served basis. Most sites are on or near Prevost Harbor and Reid Harbor. 

Composting toilets are available to use near both harbors. 

Toilet Information

  • Toilet at trailhead

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Stuart Island Marine State Park

Map & Directions

Trailhead
Co-ordinates: 48.6778, -123.1984 Open in Google Maps

Before You Go

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Parking Pass/Entry Fee

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WTA Pro Tip: Save a copy of our directions before you leave! App-based driving directions aren't always accurate and data connections may be unreliable as you drive to the trailhead.

Getting There

Kayakers can access the island state park at Prevost Harbor. This entrance has many rocks and reefs, so other boaters should enter the park at the west end of Satellite Island. Moorage fees are charged 1 p.m. to 8 a.m. year-round — all boaters must register and pay upon arriving.  

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Trailhead

Puget Sound and Islands > San Juan Islands

Washington State Parks

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Stuart Island Marine State Park

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