Sucia Island is located 2.5 miles (4.0 km) north of Orcas Island in the San Juan Islands, San Juan County, Washington, USA. It is the largest of an archipelago of ten islands including Sucia Island, Little Sucia, Ewing, Justice, Herndon, the Cluster Islands islets, and several smaller, unnamed islands. The group of islands is about 2.5 miles (4.0 km) in length and just short of a half mile wide. Sucia island is roughly the shape of a hand. The total land area of all islands is 2.74 km² (1.058 sq mi, or 677 acres). The main island of Sucia Island by itself is 2.259 km² (0.8722 sq mi, or 558.1 ac). There was a permanent population of four persons as of the 2000 census, all on Sucia Island.