Brown Island (Washington)
| Geography | |
|---|---|
| Location | Pacific Northwest | 
| Coordinates | 48°32′17″N 123°00′13″W / 48.53803°N 123.00370°W | 
| Archipelago | San Juan Islands | 
| Area | 0.11 sq mi (0.28 km2) | 
| Administration | |
United States  | |
| State | Washington | 
| County | San Juan County | 
| Demographics | |
| Population | 10 (2008) | 
Brown Island is a small, private island in Friday Harbor on San Juan Island, San Juan County, Washington, United States. It lies just offshore to the east-northeast of the town of Friday Harbor, Washington. The island has a land area of approximately 70 acres (28 ha) and on January 1, 2008, it had a resident full-time population of 10 people.
Brown Island was named by the Wilkes Expedition in 1841 for the party's navigational instrument repairman, John G. Brown.