The Sargasso Sea is the only sea without any land borders
While every other sea on Earth is defined by its contact with land, the Sargasso Sea exists entirely within the Atlantic Ocean, bounded only by four powerful rotating currents.
The Sargasso Sea is a unique biological wonder defined by its moving boundaries rather than solid coastlines. Located in the North Atlantic, it is encased by the North Atlantic Gyre, which traps calm blue water and massive mats of floating seaweed. This distinctive ecosystem spans roughly 1,100 kilometers in width and 3,200 kilometers in length.
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