marginal sea
Sign in to savesea partially enclosed by islands, archipelagos, or peninsulas
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A marginal sea is a body of ocean that is partially enclosed by islands, archipelagos, or peninsulas, making it somewhat separated from the open ocean. These seas matter because they often have unique environmental conditions and can be important for shipping, fishing, and resource management, though their exact boundaries and international status can sometimes be disputed.
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Marginal seas as defined by the International Hydrographic Organization
This is a list of seas of the World Ocean, including marginal seas, areas of water, various gulfs, bights, bays, and straits. In many cases it is a matter of tradition for a body of water to be named a sea or a bay, etc., therefore all these types are listed here. Entities called "seas" which are not divisions of the World Ocean are not included in this list, nor are ocean gyres.