Berkner Island or Berkner Ice Rise or Hubley Island is an ice rise, where bedrock below sea level makes the ice dome upward. If the ice cap melted, it would be under water. Berkner "Island" is high and completely ice-covered and about long and wide, with an area of . Berkner is surrounded by the Filchner-Ronne Ice Shelf. The northernmost point of the Berkner is about from the open sea. It lies in the overlapping portion of the Argentine and the British claims.