7 mi. S of Hoonah Sound, on S coast of Chichagof I., 22 mi. SE of Chichagof, Alex. Arch.
Named in 1869 by Commander Meade, U.S. Navy (USN), and published by US@C&GS in the 1883 Coast Pilot (p. 163). This name was given because "near here 150 Aleuts were killed in 1799 from eating poisonous mussels."