Timoteo Domínguez Island ( es, Isla Timoteo Domínguez) is an

Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...

an island off the

Río de la Plata The Río de la Plata (, "river of silver"), also called the River Plate or La Plata River in English, is the estuary formed by the confluence of the Uruguay River and the Paraná River at Punta Gorda. It empties into the Atlantic Ocean and fo ...

coast of

. The Argentine exclave

Martín García island Martín García Island ( es, Isla Martín García) is an island in the Río de la Plata. The island is in Uruguayan waters but in 1973 Uruguay and Argentina reached an agreement establishing Martín García as Argentine territory and a nature r ...

is within the boundaries of Uruguayan waters; in 1973 both countries reached an agreement establishing Martín García as an Argentine territory and also as a nature reserve. In recent decades, river sediments gave birth to the very first dry limit between Argentina and Uruguay: the islands Martín García and Timoteo Domínguez are united.Agreements and differences between Argentina and Uruguay

References

River islands of Uruguay Islands of the Río de la Plata Argentina–Uruguay border {{island-stub