South Bluffs is a gated neighborhood located south of Downtown Memphis, Tennessee. The bluff was previously occupied by a 25-acre railroad and switching yard, until 1989 when ground was broken on developing a residential neighborhood. The location of the neighborhood and the views of the Mississippi River have drawn Memphians, such …South Bluffs is a gated neighborhood located south of Downtown Memphis, Tennessee. The bluff was previously occupied by a 25-acre railroad and switching yard, until 1989 when ground was broken on developing a residential neighborhood. The location of the neighborhood and the views of the Mississippi River have drawn Memphians, such as Pat Halloran and Henry Turley, to purchase homes within the neighborhood.