Patos Island

Patos Island Marine State Park
Toe Point, Patos Island
Location in the state of Washington
Patos Island (the United States)
LocationSan Juan County, Washington, United States
Coordinates48°47′04″N 122°57′16″W / 48.78444°N 122.95444°W / 48.78444; -122.95444
Area207 acres (84 ha)
Elevation102 ft (31 m)
Established1974
Administered byWashington State Parks and Recreation Commission
WebsiteOfficial website

Patos Island is a small island in the San Juan Islands of the U.S. state of Washington. Since 1893, it has been home to the Patos Island Lighthouse, guiding vessels through Boundary Pass between Canada and the United States.

The island and adjacent islets comprise Patos Island State Park, a 207-acre (0.84 km2) marine park with 20,000 feet (6,100 m) of saltwater shoreline. The Washington State Parks and Recreation Commission began operating Patos Island as a state park under a lease agreement with the Bureau of Land Management in 1974. The entire island is owned by the federal government and is administered by the Bureau of Land Management's Wenatchee Office. The Washington State Parks and Recreation Commission operates a small campground facility at Active Cove near the west side of the island, maintains a 1.5-mile (2.4 km) loop trail, and has two offshore mooring buoys.