Vermilion Bay is a large estuary located near Cypremort Point, Louisiana. The bay has a rich history, having been used for trade and transportation by Native American tribes and later by French and Spanish explorers. In terms of hydrology, Vermilion Bay is fed by several rivers, including the Vermilion and Mermentau rivers, and is connected to the Gulf of Mexico. The bay supports a variety of aquatic life, including shrimp, crabs, and oysters. The snowpack providers for Vermilion Bay include the Rocky Mountains and the Sierra Nevada. The bay is also used for recreational purposes, such as fishing, boating, and birdwatching. Additionally, the surrounding area is known for agriculture, including rice and sugarcane production.