+A jetty is a slender structure extending into a [Sea](/wiki/sea) or [River](/wiki/river), often from the shore. It is built to protect a harbor entrance from waves and currents, or to prevent a channel from silting up, guiding the flow of water and [Boats](/wiki/boat). These steadfast formations subtly reshape the meeting point of land and water.
+## See also
+- [Harbor](/wiki/harbor)
+- [Pier](/wiki/pier)
+- [Breakwater](/wiki/breakwater)
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