Reñaca or Reñaca Bajo, is a seaside town in the commune of Viña del Mar, Chile.

The town is located along the coast in between the city of Viña del Mar and the city of Concón.

Since the commune of Concón was created in 1995, Reñaca and Concón have effectively merged into one large urbanization, this led in 2021 to a public debate on whether it should be split from Viña del Mar to join it with Concón.

[2] As part of the urban growth of Reñaca toward Concón in the north, various coastal wetlands and dunes have been urbanized since 1994.

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