Book excerpt: This book provides an up-to-date overview of the Quaternary geological and geomorphological evolution of the Coorong Coastal Plain region and its significance in a global context for understanding long-term records of Quaternary sea-level changes. The Coorong Coastal Plain in southern Australia is a natural laboratory for examining the response of coastal barrier landscapes to relative sea-level changes. The region provides direct evidence of coastal sedimentation during successive interglacials over the past 1 million years, as well as more recent volcanism. The region has received international focus and attracted scientists from around the World, with interests in long-term coastal evolution, sea-level changes, Quaternary dating methods and geochronology, soil development, temperate carbonate sedimentation, karst geomorphology and geologically recent volcanism.