I think is an islet.
The long sandbar is known as a Longshore bar.
sandbar
A spit is connected to the shore on one end, and the other end is in the ocean. A sandbar is close to the shore, but it's not connected to the shore. They can be underwater or poking out of the surface. Here are some images to help you get the idea: Spit- Sandbar-
A sandbar is a firm ridge of sand that appears off the main shoreline due to ocean wave weathering. Sandbars are typically underwater and can shift in size and shape with changing tides and wave conditions. They can also be important habitats for marine life.
Yes, there can be a longshore current in a lagoon behind a long sandbar as wave energy can cause water to move parallel to the shoreline within the lagoon. The presence of the sandbar may alter the strength and direction of the current, leading to varying flow patterns within the lagoon.
A spit is formed by deposition. A spit is a long, narrow sandbar that extends from the shoreline into open water, created by the deposition of sediment carried by longshore drift.
A sandbar is typically formed through deposition. It occurs when sediment, usually sand, is deposited by ocean currents or waves, building up a ridge or bar along a shoreline or in a body of water. This deposition process helps to create new landforms and habitats along coastlines.
An example of a sandbar is a narrow strip of land made up of sand that forms in shallow coastal waters. Sandbars can be temporary or permanent and are typically found parallel to the shoreline.
A sandbar is a deposition of sand.
There was a sandbar on the side of a lake
Sandbar Fight happened in 1827.