Alexander Island, also known as Alexander I Island, Alexander I Land, Alexander Land, Alexander I Archipelago, and Zemlja Alexandra I, is the largest island of Antarctica. It is in the Bellingshausen Sea west of Palmer Land. It is separated from Antarctic Peninsula by Marguerite Bay and George VI Sound. George VI Sound is filled with ice and connects Alexander Island to Palmer Land. The island partly surrounds Wilkins Sound, which is to its west.