a beach in Hawaii near Honolulu, which is very popular with tourists. Resort area, southern coast of Oahu island, Hawaii, U.S. Located in the southeastern section of Honolulu, near Diamond Head, its famous beach is lined with luxury hotels; it has water-sports facilities as well as an aquarium, a zoo, gardens, and the International Market Place. Waikiki is also the site of Fort DeRussy, a military recreation area