The Amundsen Sea: Antarctic Waters at 70°S, 90°W

The Antarctic sea located at 70° South latitude, 90° West longitude is the Amundsen Sea. It lies off the coast of West Antarctica's Marie Byrd Land, bounded by the Ross Sea to the west and the Bellingshausen Sea to the east. Named for polar explorer Roald Amundsen, it is a key region for studying ice‑sheet dynamics and climate change.