Annette Island or Taak'w Aan is an island in Gravina Islands of the Alexander Archipelago of the Pacific Ocean on the southeastern coast of the U.S. state of Alaska. It is at . It is about long and about wide. The land area is . Annette Island is located across the Revillagigedo Channel from the Alaska mainland on the east and across from Revillagigedo Island on the north. The Island was named for Annette Whitney Dall by William Healey Dall in 1879.