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island group of the southeastern Moluccas, lying west of the Aru Islands and southeast of Seram, in the Banda Sea. The group, which forms part of Maluku provinsi (province), Indonesia, includes the Kai Besar (Great Kai), Kai Kecil (Little Kai) and Kai Dulah, and the Kur and Tayandu island groups. The Kai Islands' total land area is 555 square miles (1,438 square km). Kai Besar is mountainous, rising to nearly 3,000 feet (900 metres); it has steep cliffs along the coasts. Most of the islands are encircled by shoals, and all are covered with dense forest, a source of timber