There is no reason to sell an ice cube in Antarctica.
If you really wanted to limit your search to an ice cube in Antarctica, you could look in a research station freezer, in the ice cube tray.
Cube is not the description most scientists use: the term is ice sheet. Antarctica's land mass is 98% covered -- by an ice sheet.
Beach got yes
Ice is not an Antarctic commodity: there's no one to sell you any ice.
You'll find that the market for ice cubes in Antarctica is very small, and may not be worth your investment to attempt to compete here.
an ice cube with salt
One hundred percent of the ice found in Antarctica is...ice...in Antarctica.
The scientific term for an ice cube is "solid water."
Ice cube has 90 cars
One hundred percent of the ice in Antarctica is ice.
An ice cube is solid, and contains little gas although there could be air bubbles inside the ice.
the ice cube is in a phase of a solid.