Lake St. Lucia is a large estuarine lake located in the iSimangaliso Wetland Park in South Africa. It is known for its rich biodiversity, including various species of fish, birds, and reptiles. The lake is part of a UNESCO World Heritage Site and plays a crucial role in the local ecosystem. The lake is approximately 65 kilometers long and is surrounded by diverse habitats, such as wetlands, sand dunes, and coastal forests. It is a popular destination for eco-tourism, offering activities like bird watching, boat tours, and fishing. The surrounding area is home to the African Fish Eagle and the Nile Crocodile.