Castle Island is an island in the
San Juan Islands
The San Juan Islands are an archipelago in the Pacific Northwest of the United States between the U.S. state of Washington and Vancouver Island, British Columbia, Canada. The San Juan Islands are part of Washington state, and form the core of ...
of
Washington state
Washington (), officially the State of Washington, is a state in the Pacific Northwest region of the Western United States. Named for George Washington—the first U.S. president—the state was formed from the western part of the Washington ...
in the
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
. It is located just off the southern tip of
Lopez Island.
The island, having a formidable look, was named Old Hundred Island by the U.S. Coast Survey of 1855. It was given its present, descriptive name, by the British on the British Admiralty chart of 1858–60.
See also
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References
External links
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San Juan Islands
Uninhabited islands of Washington (state)
{{SanJuanCountyWA-geo-stub