Las Grutas is a beach resort town located in the Argentine province of Río Negro, in the department of San Antonio, with a stable population of 8,000 inhabitants.
Its beaches are known for having relatively warm waters in spite of their location in Patagonia, due to the wide tidal amplitude, and the protection of the San Matías Gulf.
", "La rueda", "Cero", "Primera", "Segunda", "Tercera", "Cuarta", "Quinta", "Sexta" y "Séptima", the last seven named from first to seventh.
The first accesses where the ones named "Primera", "Segunda", and "Tercera" (first, second and third), to which new ones were added as the town, and the number of visitors grew.
Near the "Cero" access there are pools artificially carved in the stone that change their water in every tidal cycle.