Analyzing Argentina-Uruguay Maritime Disputes: Navigating the Law of the Seas

The maritime disputes between Argentina and Uruguay have been a long-standing issue, originating from conflicting territorial claims and exclusive economic zone (EEZ) boundaries. These disputes revolve around the shared waters of the Rio de la Plata and the South Atlantic Ocean, and have significant implications for the countries’ bilateral relations, regional stability, and economic development. In this article, we will analyze the legal framework surrounding these disputes, examine the key issues at hand, explore historical precedents of resolution attempts, discuss the role of diplomacy, evaluate the viability of arbitration and the International Court of Justice, address environmental concerns, and assess the potential implications of these disputes on the marine ecosystem and economic development in the region.

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Analyzing Brazil and Uruguay’s Maritime Disputes in Law of the Seas

Maritime disputes have long been a contentious issue among nations, and Brazil and Uruguay are no exception. The two South American countries have been locked in a dispute over their maritime boundaries, particularly in the Rio de la Plata and the South Atlantic Ocean. These disputes have significant implications, not only for the involved countries but also for regional stability and the interpretation of international law.

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Argentina–Uruguay overlapping claims concerning boundary delimitation and the Río de la Plata

In 1973 Argentina and Uruguay concluded an agreement (1973 Agreement) concerning overlapping claims to the Río de la Plata and maritime zones seaward of a closing line at the mouth of the river. Seaward of the closing line, the 1973 Agreement establishes a ‘lateral maritime boundary’ and boundary of the continental shelf, which are both defined by a single equidistance line. The closing line and lateral maritime boundary are depicted in Figure. The lateral maritime boundary delimits several jurisdictional competencies recognized in the Agreement, which relate to: the exploration, conservation, and exploitation of resources; control and supervision of fishing activities; protection and preservation of the environment; scientific research; and construction and emplacement of installations. Viewing this delimitation of competencies in light of LOSC Part V, it is reasonable to regard the lateral maritime boundary as a delimitation of the EEZ and associated coastal state jurisdiction.

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Uruguay maritime claims about straight baselines and the outer limit of the territorial sea, the contiguous zone and the exclusive economic zone

Maritime Claims, Uruguay, Uruguay continental shelf map, Uruguay EEZ map, Uruguay exclusive economic zone map, Uruguay internal waters map, Uruguay maritime boundaries, Uruguay maritime claims, Uruguay territorial waters map

View More Uruguay maritime claims about straight baselines and the outer limit of the territorial sea, the contiguous zone and the exclusive economic zone