Yellow Island, one of the San Juan Islands, is an 11-acre (4.5 ha) island, located south-west of Orcas Island, and north of Shaw Island, near Jones Island State Park, in San Juan County, Washington, United States. The island is home to a wide array of flora and fauna, including over 50 species of wildflowers, bald eagles, harbor seals, black oystercatchers, and harlequin ducks.