The Chesapeake BAY is a large estuary in Maryland, located off the Atlantic Ocean. It is the largest estuary in the United States and is home to a variety of wildlife and aquatic species. The BAY is also an important source of seafood for the region, with many commercial fisheries operating in its waters. The term 'Chesapeake in Maryland' refers to the entire area surrounding the BAY, including the states of Maryland, Virginia, Delaware, and parts of Pennsylvania and West Virginia.