 It would be unremarkable, were it not for the fact that Arroio Chuí is known throughout Brazil as being the country's southernmost point.The actual extreme point is on a bend of the stream approximately upstream from its mouth on the sea, near the twin coastal villages of Barra do Chuí (Brazil) and Barra del Chuy (Uruguay), at .Chuy's residents are mostly Uruguayans and Brazilians, with almost all its residents speaking Spanish and Portuguese.