Balneário Barra do Sul, Coastal municipality in Santa Catarina, Brazil.
Balneário Barra do Sul is a coastal municipality in northeastern Santa Catarina along the Atlantic shore. The town features several beaches with golden sand and clear waters stretching over multiple kilometers.
The region began as an 18th-century military outpost meant to protect travelers and control the coastal area. Over time it developed into a modern coastal town with a growing tourism sector.
The Festa da Tainha winter celebration shows how residents here maintain their connection to fishing traditions and seasonal rhythms. The event brings the community together and reflects the maritime identity that shapes daily life.
During summer months between December and January, the population swells from about 11,000 to over 50,000, putting strain on lodging and services. Visiting at other times of year offers better availability and less crowded conditions.
Local industry extracts magnesium directly from seawater for commercial use. Underground sand mining also happens beneath the surface, supporting the local economy.
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