Kapolei is a 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. In 1955 the Kapolei master plan was drafted and revised 3 different times beginning in 1974. 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. Kapo the goddess of fertility.