Lagoa Azul, also known as Blue Lagoon, is a freshwater sinkhole located in Bonito, Mato Grosso do Sul, Brazil. It is one of the most popular diving destinations in Brazil, known for its crystal-clear waters, colorful fish, and lush vegetation. Lagoa Azul is home to a variety of marine life, including: Angelfish Discus fish Dwarf cichlids Piranhas Plecostomus catfish Snapping turtles