what is the island pearl harbor is on.
Pearl Harbor is located on the south coast of Oahu.  Oahu is one of the Hawaiian Islands.  On the south side of Oahu, from west to east is  Pearl City, Pearl Harbor, Hickam â¦ Field (now Hickam AFB &  Honolulu International Airport), Honolulu, and then Diamond  Head. . 1 person found this useful.