Indonesia as one of the countries, which is :tying to struggle for archipelagic State conception to be accept in universal scope after bilateral and regional lobbies. Archipelagic State conception has already existed since nineteen twentieth and indonesia wants to motte this conception being a port of positive law of International Law of the Sea. Prof Mochtar Kusumaatmadja as a leader of the Indonesian delegation to the Third United Notions Conference on the law of the Sea in Caracas. make this paper to describe Indonesia and other countries effort in the Conference to pot the tow status of archipelagic Stare into o convention about International' Law of the Sea.