Lago Merín  Lago Merín is a village and resort on the coast of Lagoon Merín, in the Cerro Largo Department of Uruguay. Although it has a very few permanent inhabitants, it is an important summer resort. In the last years it has become an important kitesurfing location. It is located near the borders with Brazil, north of the mouth of the stream Arroyo Tres Islas, southeast of the city of Río Branco. Lago Merín was officially declared resort in 1940 by president Alfredo Baldomir. In 2011 Lago Merín had a population of 439. Source: "Instituto Nacional de Estadística de Uruguay"