Obstruction Island is one of 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 ...
in
San Juan County, Washington
San Juan County is a county located in the Salish Sea in the far northwestern corner of the U.S. state of Washington. As of the 2020 census, its population was 17,788. The county seat and only incorporated city is Friday Harbor, located on ...
,
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 territori ...
. It lies off the southeast tip of
Orcas Island
Orcas Island () is the largest of the San Juan Islands of the Pacific Northwest, which are in the northwestern corner of San Juan County, Washington.
History and naming of the island
The name "Orcas" is a shortened form of ''Horcasitas,'' fro ...
, between it and
Blakely Island
Blakely Island (SENĆOŦEN: XEMXEMIȽĆ) in San Juan County, Washington is the sixth largest island in the San Juan Islands of Washington State, United States, encompassing a land area of 16.852 km (6.507 sq m). It is separated from Cypres ...
. Obstruction Island has a land area of 0.882 km² (0.3406 sq mi, or 218
acres). The
2010 census reported a permanent population of 14 residents.
Census blocks found on:
References
San Juan Islands
{{SanJuanCountyWA-geo-stub