Located on Valenta highway in Joyuda. It is a nature reserve area. It measures 2.4 km long by 1.0 km wide. It is about 1.2 feet average depth. Its life zone is Subtropical-Humid-Brackish. This body of water has bioluminescence. The use of boats or fishing is not permitted. It is protected by the Department of Natural Resources. It communicates with the sea through a small channel to the southwest. It contains a wide variety of ecosystems and marine organisms.