on E coast of Chiachi I., 23 mi. E of Stepovak Bay, Aleutian Range. 0.6 mile wide.
Named for Chiachi Is.; shown on U.S. Coast and Geodetic Survey (USC&GS) Chart 8851 (1953).
Coal Cape, Coal Point, Stirni Point, Three Star Point,
Islands:Chiachi Island, Paul Island, Petrel Island, Pinnacle Rock, Pinusuk Island, Shapka Island, Spitz Island,
Mountains:Rivers:Streams:Cities: