Korea has a very good potential for the marine leisure activity due to the sea facing three side of the country as well as growing gross national product almost reaching 20,000 US doctor per capital. According to this Korean government established a master plan for the national marina development recently, and at local government level many marinas are under development. However as the history of marina is very short in Korea and therefore there are many problems and shortcoming to run marina successfully. This dissertation therefore aims at reviewing marina development in Korea, finding out problems in reality and deriving solutions to activate marine leisure. Particular attention is paid to 'Ara Marina'.