Double Island (Washington)

Double Island is a pair of islands located in the San Juan Islands, in West Sound, Salish Sea, Washington. Double Island refers collectively to two islands separated by a 10-foot channel. Big Double Island is 18 acres, and sits directly north of Alegria Island, or Little Double Island.

Geography
Double Island is located at the southwestern entrance of West Sound, a bay of Orcas Island. The islands are a quarter mile south of Victim Island.

History
The name Double Island first appears on an 1858-1860 British Admiralty chart. Alegria Island was coined in 1977 by the island's owners.

Big Double Island features a home designed by architect Thomas Bosworth.