科茨地
The island rises to ( according to other sources) and separates Ronne Ice Shelf from the Filchner Ice Shelf. It is characterized by two domes, "Reinwarthhöhe" in the north (), and "Thyssenhöhe" in the south (). It is indented by three bays on the eastern side, which are, from north to south, the McCarthy Inlet, the Roberts Inlet, and the Spilhaus Inlet. The southern tip is named the Mulvaney Promontory. Gould Bay is on the north coast. Berkner Island is about west of Luitpold Coast, Coats Land, the closest mainland of Eastern Antarctica. The Hemmen Ice Rise is off the northwest corner of Berkner Island.