This report documents the Second Regional Workshop for the East Asian Seas sponsored by the International Coral Reef Initiative (ICRI). The Organizing Committee, which organized the workshop, is comprised of Japan's Environment Agency, the Okinawa Ministry of Foreign Affairs, the Science and Technology Agency, the Okinawa Development Agency, the Ministry of Agriculture, Forestry and Fisheries, the Ministry of Education, Okinawa Prefectural Government Marine Parks Center of Japan, and the UNEP, which steered the workshop.The workshop was held in Okinawa during 16-20 February 1997.Special thanks are due to Dr. Kenji Konishi, Emeritus Professor of Kanazawa University, and Dr. Richard Kenchington, ICRI coordinator for convening the workshop.