Kapolei is a master-planned community in Honolulu County, Hawaii, United States, on the island of Oahu. It is colloquially known as the "second city" of Oahu, in relation to Honolulu. Officially, it is a census-designated place within the consolidated city-county of Honolulu.The community takes its name from a volcanic cone, Puʻu o Kapolei. In the Hawaiian language, puʻu means "hill" and Kapo lei means "beloved Kapo". According to legend, Kapo, Goddess of Fertility was sister to Pele, Goddess of Fire and Nāmaka, Goddess of the Sea.Much of the land is part of the estate of industrialist James Campbell. Kapolei's major developer is Kapolei Property Development, a subsidiary of James Campbell Company. Kapolei sits primarily upon former sugarcane and pineapple fields.