An island or isle is a piece of land, distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being split from a continent by plate tectonics, and oceanic islands, which have never been part of a continent.
Island, any area of land smaller than a continent and entirely surrounded by water. Islands may occur in oceans, seas, lakes, or rivers. A group of islands is called an archipelago. Islands may be classified as either continental or oceanic. Learn more about islands in this article.
An island is any area of land which is smaller than the smallest continent and is entirely surrounded by water. Islands may be found in oceans, seas, lakes, or rivers.
Iceland is the 18th-largest island in the world, and the second-largest island in Europe, smaller than Great Britain and bigger than Ireland. The main island covers 101,826 km 2 (39,315 sq mi), but the entire country is 103,000 km 2 (40,000 sq mi) in size, of which 62.7% is tundra.