Wayfarrow

Patos Island Lighthouse

Lighthouse · San Juan County, Washington

Patos Island Lighthouse is a lighthouse in San Juan County, Washington. Washington has 31 lighthouses on record at Wayfarrow, 4 of them in San Juan County.

It was built in 1908, in the early 20th century, making it the 10th oldest of the 21 in Washington with a recorded construction date; the tower stands about 38 feet tall (8th tallest of 23 measured in Washington); its light sits 39 feet above the water; the light characteristic is recorded as Fl(1+2) WR 15s, with a range of about 9 nautical miles; the structure is built of structural wood.

Status check, 2026-11: The station opened in 1893, and the 38-ft tower was added to the original fog-signal building in 1908. The record's 8.0 m (about 26 ft) height is too low. Patos Island Lighthouse is listed on the National Register of Historic Places. It stands at 48.7890° N, 122.9715° W.

Key facts

Current structure built1908
Tower height38 ft
Focal height39 ft
Light characteristicFl(1+2) WR 15s
Range9 nautical miles
Materialstructural wood
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates48.78900, -122.97150

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Nearby places

Questions

Where is Patos Island Lighthouse?

Patos Island Lighthouse is in San Juan County, Washington, at 48.7890, -122.9715.

How many lighthouses are in San Juan County?

San Juan County, Washington has 4 lighthouses on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.