The Sargasso Sea, The Sea Without A Shore. The Sargasso Sea is located in the middle of the Atlantic Ocean, just a little north of the equator. The water in the Sargasso Sea is one of the clearest in the ocean, with underwater visibility of up to an incredible 200 feet.

Which sea on the Earth has no beaches?

<img src="https://oceanservice.noaa.gov/bs4/img/flag.png" alt="U.S. flag" width="25" height="17"><h2 dir="ltr">The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary.</h2><figure><img src="https://oceanservice.noaa.gov/facts/sargassum-healthy-ecosystem-noaa.jpg" alt="Illustration of sargassum and associated marine life" title="The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary." width="510" height="340"><figcaption dir="auto">Illustration of sargassum and associated marine life, including fish, sea turtles, birds, and marine mammals. Sargassum is a brown algae that forms a unique and highly productive floating ecosystem on the surface of the open ocean.</figcaption></figure>The Sargasso Sea is a vast patch of ocean named for a genus of free-floating seaweed called <span tabindex="0" data-toggle="tooltip" data-animation="true" title="" data-original-title="Both Sargassum and Sargasso are derived from a Portuguese word for a variety of grape. The men traveling with Columbus thought the air bladders of the Sargassum weed looked like small grapes." dir="ltr"><a href="https://oceanservice.noaa.gov/facts/sargassosea.html#" disabled="" dir="ltr">Sargassum</a>. While there are many different
types of algae found floating in the ocean all around world, the Sargasso Sea is unique in that it harbors species of sargassum that are 'holopelagic' — this means that the algae not only freely floats around the ocean, but it <span tabindex="0" data-toggle="tooltip" data-animation="true" title="" data-original-title="A form of reproduction in plants in which offspring arise from a single parent without production of seeds or spores." dir="ltr"><a href="https://oceanservice.noaa.gov/facts/sargassosea.html#" disabled="" dir="ltr">reproduces vegetatively</a> on the high seas. Other seaweeds reproduce and begin life on the floor of the ocean.Sargassum provides a home to an amazing variety of marine species. Turtles use sargassum mats as nurseries where hatchlings have food and shelter. Sargassum also provides essential habitat for shrimp, crab, fish, and other marine species that have adapted specifically to this floating algae. The Sargasso Sea is a spawning site for threatened and endangered eels, as well as white marlin, porbeagle shark, and dolphinfish. Humpback whales annually migrate through the Sargasso Sea. Commercial fish, such as tuna, and birds also migrate through the Sargasso Sea and depend on it for food.While all other seas in the world are defined at least in part by land boundaries, the Sargasso Sea is defined only by ocean currents. It lies within the Northern Atlantic Subtropical <a href="https://oceanservice.noaa.gov/facts/sargassosea.html#" disabled="" dir="ltr">Gyre</a>. The Gulf Stream establishes the Sargasso Sea's western boundary, while the Sea is further defined to the north by the North Atlantic Current, to the east by the Canary Current, and to the south by the North Atlantic Equatorial Current. Since this area is defined by boundary currents, its borders are dynamic, correlating roughly with the Azores High Pressure Center for any particular season.

The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary

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The Sargasso Sea, located entirely within the Atlantic Ocean, is the  only sea without a land boundary  .

The Sargasso Sea is a vast patch of ocean named for a genus of free-floating seaweed called <a href="https://oceanservice.noaa.gov/facts/sargassosea.html#">Sargassum </a> . While there are many different types of algae found floating in the ocean all around world, the Sargasso Sea is unique in that it harbors species of sargassum that are 'holopelagic' — this means that the algae not only freely floats around the ocean, but it <a href="https://oceanservice.noaa.gov/facts/sargassosea.html#">reproduces vegetatively </a> on the high seas. Other seaweeds reproduce and begin life on the floor of the ocean.

Sargassum provides a home to an amazing variety of marine species. Turtles use sargassum mats as nurseries where hatchlings have food and shelter. Sargassum also provides essential habitat for shrimp, crab, fish, and other marine species that have adapted specifically to this floating algae. The Sargasso Sea is a spawning site for threatened and endangered eels, as well as white marlin, porbeagle shark, and dolphinfish. Humpback whales annually migrate through the Sargasso Sea. Commercial fish, such as tuna, and birds also migrate through the Sargasso Sea and depend on it for food.

While all other seas in the world are defined at least in part by land boundaries, the Sargasso Sea is defined only by ocean currents. It lies within the Northern Atlantic Subtropical <a href="https://oceanservice.noaa.gov/facts/sargassosea.html#">Gyre </a> . The Gulf Stream establishes the Sargasso Sea's western boundary, while the Sea is further defined to the north by the North Atlantic Current, to the east by the Canary Current, and to the south by the North Atlantic Equatorial Current. Since this area is defined by boundary currents, its borders are dynamic, correlating roughly with the Azores High Pressure Center for any particular season.

What is the Sargasso Sea?

Which sea on the Earth has no beaches?

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