Maritime Governance in International Law: A Critical Analysis of UNCLOS and Contemporary Ocean Challenges

Abstract

The governance of the world's oceans represents one of the most sophisticated achievements of international legal architecture. This article examines sea laws particularly the United Nations Convention on the Law of the Sea (UNCLOS, 1982) through the prism of public international law, analyzing how maritime legal norms have evolved from customary practice into a comprehensive treaty-based regime. The paper systematically surveys the historical antecedents of the modern law of the sea, dissects the jurisdictional architecture of UNCLOS including territorial seas, exclusive economic zones, continental shelf entitlements, and the high seas regime, and critically assesses the mechanisms for dispute resolution, including the International Tribunal for the Law of the Sea (ITLOS). Contemporary challenges examined include piracy, disputed maritime boundaries, deep-seabed resource governance, climate change implications for sea-level baselines, and freedom of navigation tensions in semi-enclosed seas. The analysis draws on treaty texts, ICJ and ITLOS jurisprudence, state practice, and doctrinal literature. The article concludes that, despite ongoing tensions and enforcement deficits, UNCLOS remains the indispensable cornerstone of maritime international law, necessitating adaptive interpretation and institutional strengthening to address twenty-first-century challenges.