Berwick is a town in St. Mary Parish, Louisiana, United States.

The town relocated the Southwest Reef Light and has been trying to save the Ship Shoal Light The first white settler to trek through the wilderness in this area was Thomas Berwick.

[3] He settled along the banks of the Atchafalaya River in the late 18th century.

Today the town of Berwick is home to several seafood processing plants and numerous boat companies.

[2] As of the 2020 United States census, there were 4,771 people, 1,665 households, and 1,016 families residing in the town.