Araruama Lagoon, Hypersaline lagoon in Região dos Lagos, Brazil.
Araruama Lagoon is a saltwater body along the Atlantic coast south of Rio de Janeiro with a substantial water surface. The lagoon features gentle shorelines and remains accessible from multiple points for various activities.
More than 2,000 years ago, Indigenous peoples settled around the shores and left traces of their communities. The lagoon later became the foundation for the region's salt industry and shaped the economy of surrounding villages.
Local communities have maintained traditional salt harvesting practices that shape how people interact with the water today. These methods connect residents to the lagoon and show how communities have adapted to its unique conditions over generations.
The water is usable year-round with good conditions for swimming, fishing, and water sports. Visitors should know that the high salt content makes the water feel different from freshwater and may require special care.
The water maintains a constantly high salt concentration, making it one of the world's largest permanently hypersaline bodies. This quality creates a natural buoyancy experience similar to the Dead Sea.
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