Kosi Bay Mouth is a scenic estuary located in Kosi Bay, South Africa. It is known for its unique ecosystem, where the Kosi River meets the Indian Ocean. The area features beautiful sandy beaches, tidal pools, and rich biodiversity, making it a popular destination for nature lovers and birdwatchers. The estuary is part of the iSimangaliso Wetland Park, a UNESCO World Heritage Site. Visitors can enjoy activities such as kayaking, fishing, and exploring the surrounding wetlands. The region is also home to various wildlife, including fish, crabs, and numerous bird species, contributing to its ecological significance.