/ˈsænd.bɑːr/ Add to word list Add to word list. a long raised area of sand below the surface of the water, especially where a river enters the sea, usually formed by moving currents.

They are narrow strips of sand, either connected to the shore or offshore, often formed due to the deposition of sand by ocean waves and currents. These captivating ridges of sand can vary in size and shape, with some becoming large enough to be called barrier islands.

Sand bar: A strip of land formed by deposition of sediment via longshore drift or at the mouth of a river. Barrier Island:- A sandbar disconnected from the land. They form due to longshore drift and protect shallow brackish bays or salt marshes behind them.

Shoal or sandbar or sandbank and gravelbar are linear landform within or extending into a linear body of water out of river, lagoon, lake, and sea, typically composed of sand, silt, or small pebbles.