This comprehensive guide summarizes the current principles and rules governing the international law of the sea. Topics include the rights and responsibilities of states in various zones of the oceans, fisheries and nonliving resources, vessel nationality and jurisdiction over vessels, maritime terrorism and security, maritime boundary delimitation and baselines, marine environment, and dispute settlement mechanisms. The text discusses the widely accepted United Nations Convention on the Law of the Sea and other relevant treaties, legislation, and jurisprudence, including U.S. and European laws, cases, and practice.