Camano Island is a large island in the Possession Sound portion of Puget Sound, located in Island County, Washington, between Whidbey Island and the mainland. The body of water separating Whidbey Island and Camano Island is called Saratoga Passage. Camano Island is separated from mainland Snohomish County by Davis Slough near the city of Stanwood. The island is reached via State Route 532 over the Camano Gateway Bridge in the northeast of the island.