+Coastal plains are low-lying, flat stretches of land found along a [Coast](/wiki/Coast) or ocean. Often formed by the deposition of [Sediment](/wiki/Sediment) from rivers and sea, they are fertile areas supporting unique ecosystems and human activity.
+## See also
+- [Plain](/wiki/Plain)
+- [Delta](/wiki/Delta)
+- [Ocean](/wiki/Ocean)
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