Land smaller than a continent completely surrounded by water is called an island.
An island.
Island
It isn't likely that you will find an area of land completely surrounded by water. A submerged seamount would be surrounded by water on all sides but the bottom.
You did say "Completely".
an island
an island
island
An area of land completely surrounded by water is called an island.
A bowl-shaped area that is almost completely surrounded by higher ground is called a basin. Basins often collect water from the surrounding higher areas and can be found in both natural landscapes and man-made structures, such as reservoirs or sinkholes.
Your question is somewhat unclear; but if I understand what you're asking, a peninsula is land that is surrounded on three sides by water.
An area that is completely surrounded by water is an island. If the landmass is surrounded by water on three sides, but is still connected to a larger landmass, then it is a peninsula.
It is an island.
An area almost entirely surrounded by water is called a peninsula.
An area of land almost completely surrounded by water is called a peninsula. A peninsula is a narrow strip of land that extends out into a body of water and is connected to the mainland on one side.
a peninsula
A peninsula .
If it is a country surrounded by land and so having no coast, it is said to be landlocked. An open of land area surrounded by a forest is called a glade or meadow. You can have valleys and basins in terms of geographical forms of land surrounded by other kinds of land.
An island is an area of land surrounded by water.
Yes, it is. The entire state of Florida is one.
an area of land almost completely surrounded by water except for an isthmus connecting it with the mainland.
Island is surrounded by water.
An island is surrounded by water.
An island is a habitable area of land surrounded by water. An islet is an inhabitable small area of land surrounded by water. A cay (or key) is a habitable small area of land surrounded by water.
An ocean