Kubu Island is a place of great natural beauty and a Nation Monument. Kubu is a setswana name for a hippopotamus while lekhubu means a rock outcrop. This rock outcrop is engulfed by the white sea of salt, making it to remain as an island jutting in the middle of the flats.

Pottery sheds and ostrich eggshell beads are found on the site. There are three traditional taboos governing the use of the island, this taboos are no hunting of wild animals, collection of wild fruits and taking away some rocks.