Center Island is one of the San Juan Islands in San Juan County, Washington, United States.

Center Island has a land area of 0.713 km2 (0.275 sq mi; 176 acres).

The population was officially 49 persons as of the 2000 census.

The island is served by the Center Island Airport (IATA: CWS, FAA LID: 78WA).

This San Juan County, Washington state location article is a stub.