The seas are an important component of the entire world ocean. It is useful for each of us to know that there are a total of 63 seas on our planet. And the largest sea in the world is located in the Atlantic Ocean - this is the Sargasso Sea, which is located near the coast of North America.

Some facts about the largest sea in the world

Quite a lot of information can be found about the largest sea in the world. It has a really impressive surface area, which, by the way, changes depending on the position of the currents that surround it. The area of ​​the Sargasso Sea ranges from 6 to 8 million square kilometers, and its depth reaches 6-8 kilometers.

In fact, this sea has practically no shores, and this is amazing. It is limited only by currents. The water in the Sargasso Sea is very clear and salty, while it is stagnant. However, all the garbage that was thrown into the ocean is collected precisely in the area of ​​\u200b\u200bthis sea. And today, in one of the sections of this sea, a whole of garbage has formed.

The most amazing and biggest sea

It is very conveniently located between 2 groups of islands: Bermuda and the Leeward Islands. It got its name from the seaweed Sargassum, which grows in large numbers here. About it the largest sea there are even legends that many ships sank in its bowels, entangled in these algae.

And where there are algae, of course, there are fish that feed on them. The biggest sea literally teeming with small fish, as well as a variety of crabs, turtles, shrimps and corals. The most popular inhabitant of this sea has become the European eel, which reaches its salty waters in about 3 months of travel from Europe.

Other largest seas in the world

So now it's absolutely clear which sea is the largest. As for other seas, the second place is confidently held by the Philippine Sea. By the way, it also has no clear boundaries. Its outlines are guessed only by underwater ridges and islands. It is located in the Pacific Ocean and is always very warm: only in the north the water temperature sometimes drops below 17 degrees, while in the south it always stands between 25-27 degrees.

Continuing the conversation about largest seas in the world worth mentioning is the Coral Sea. As the name implies, it is rich in the most diverse and inconceivable coral reefs. By the way, the Great Barrier Reef is located here. The seas have always attracted inquisitive people who are trying to unravel the underwater depths. And who knows which of these mysteries are destined to be revealed?

More than 70% of the Earth's surface is covered with water. This water is mainly enclosed in, as well as in many other reservoirs.

The sea is defined as a large object filled with and sometimes associated with . However, the sea does not have to be tied to the ocean, as there are inland or closed seas in the world, such as the Caspian Sea.

Since sea waters make up a significant part of it, it can be useful to know where the largest seas of our planet are located. This article provides a list, maps, photos and descriptions of the ten largest seas of the Earth, in descending order.

Sargasso Sea

Sargasso Sea on the map

According to some sources, the Sargasso Sea is considered the largest in the world. But unlike other seas, it does not wash land and does not have permanent borders and area (which varies from 4.0 to 8.5 million km²), so calling it the largest is rather controversial. The Sargasso Sea is located in the Atlantic Ocean and is limited by ocean currents: in the west by the Gulf Stream, in the north by the North Atlantic Current, in the east by the Canary Current, and in the south by the North Equatorial Current.

The Sargasso Sea was first mentioned by Christopher Columbus, who crossed it on his original voyage in 1492.

The sea reaches a depth of 1500-7000 m and is characterized by weak currents, low precipitation, high evaporation, light winds and warm salt water. These factors form a biological desert largely devoid of plankton, a staple food. The Sargasso Sea is distinguished from other parts of the Atlantic Ocean by its characteristic brown Sargassum algae. In addition, the water in the sea is transparent and visibility is maintained even at a depth of about 60 m.

Sargassum algae in the Sargasso Sea

This sea is home to an amazing variety of marine species. Turtles use algae to hide and feed their young. The Sargasso Sea also provides shrimp, crabs, fish and other marine species that are specially adapted to these floating algae. The sea is a spawning ground for endangered eels, as well as Atlantic white marlin, Atlantic herring shark and dolphins. migrate annually across the Sargasso Sea.

Philippine Sea

Philippine Sea on the map

The Philippine Sea is a marginal sea located northeast of the Philippine archipelago and in the western part of the North Pacific Ocean. It washes the Philippines and Taiwan in the west, Japan in the north, the Mariana Islands in the east, and the Palau archipelago in the south. The surface area is about 5.7 million km². The sea has a complex and varied underwater relief. The bottom was formed in the process of geological faults. A feature of the Philippine Sea is the presence, among which are the Philippine Trench and the Mariana Trench, which contains the deepest point on the planet. Numerous seamounts are located in the waters of the sea, and some of them are of volcanic origin.

Islands of the Palau archipelago in the Philippine Sea

Ferdinand Magellan was the first European to travel the Philippine Sea. This happened in 1521.

There is an exotic one in the Philippine Sea. In the waters of the sea there are about five hundred species of hard and soft corals, and 20% of well-known species. Here you can observe sea turtles, sharks, moray eels, and sea snakes, as well as numerous species of fish, including tuna. In addition, the Philippine Sea serves as a spawning ground for Japanese eel, tuna, and various species.

coral sea

Coral Sea on the map

The Coral Sea is a marginal sea located in the southwestern Pacific Ocean. In the east it washes the coast of Australia and New Guinea, in the west - New Caledonia, and in the south - the Solomon Islands. This sea has a length of about 2250 km from north to south and covers an area of ​​4.8 million km². In the south, the Coral Sea merges with the Tasman Sea, in the north with the Solomon Sea and in the east with the Pacific Ocean; it is connected to the Arafura Sea to the west through the Torres Strait.

The sea was named for its many coral formations that formed the sea, stretching for 1900 km along the northeast coast of Australia. The sea has and is prone to typhoons, especially from January to April.

Bird's eye view of the Coral Sea reefs

The sea is home to many living organisms including anemones, worms, gastropods, lobsters, crayfish, shrimp and crabs. Red algae color many coral reefs purple-red, and green algae Halimeda, found throughout the Coral Sea.

In the northern part there are coastal plants, consisting of only 30-40 species, and. About 400 species of coral species live in the reefs, and there are also more than 1,500 species of fish. Five hundred species of seaweed precipitate corals, creating mini-ecosystems on their surface, comparable to a cover. The coral sea has also become home to a large number of fish species, and.

Arabian Sea

Arabian Sea on the map

The Arabian Sea is a marginal sea located in the northwestern part of the Indian Ocean. Its total area is about 3.86 million km². This sea is part of the main sea route between and India. It is bounded on the west by the Somali and Arabian Peninsulas, on the north by Iran and Pakistan, on the east by India, and on the south by the rest of the Indian Ocean. In the north, the Gulf of Oman connects the sea to the Persian Gulf through the Strait of Hormuz. In the west, the Gulf of Aden connects it to the Red Sea through the Bab el-Mandeb. The Arabian Sea has an average depth of 2734 m, with a maximum depth of 5803 m.

Island in the Arabian Sea

The sea is dominated by a monsoonal climate. During the rainy season, which occurs from April to November, the salinity of the water is less than 35‰, and during the dry season (November to March) it is over 36‰.

Vast deposits of oil and natural gas have been discovered in the Arabian Sea.

A large number of organisms live in the sea, but this is a periodic phenomenon in the Arabian Sea. This phenomenon is explained by the subsurface layer of water of tropical origin, which is poorly enriched in oxygen, but rich in phosphates. Under certain conditions, this layer comes to the surface, which leads to the death of fish due to lack of oxygen.

South China Sea

South China Sea on the map

The South China Sea is a marginal sea in the western Pacific Ocean, it washes the mainland of the Southeast. The sea is bounded in the northeast by the Taiwan Strait; in the east - the islands of Taiwan and the Philippines; in the southeast and south - Kalimantan, the Gulf of Thailand and Malaysia; and in the west and north - Asia. The South China Sea covers an area of ​​about 3.69 million km², with an average depth of 1212 m and a maximum depth of 5016 m.

The climate in the sea is tropical and is largely shaped by the monsoons. The monsoons control the currents as well as the exchange of water between the South China Sea and adjacent bodies of water.

Landscape of the South China Sea

Large deposits of oil and natural gas have been discovered in the South China Sea. This sea provides some of the world's most important shipping lanes. As a rule, oil and minerals are concentrated in the north, while marine food and manufactured goods are concentrated in the south. Some areas in the central South China Sea are still poorly understood.

The shallow water marine life and flora of the Caribbean are centered around submerged fringed coral reefs that support a variety of fish and other marine life.

Tourism is an important part of the Caribbean economy, serving primarily the United States and Canada in the north, and Brazil and Argentina in the south. With a typically sunny climate and recreational resources, the Caribbean has become one of the world's major winter resorts.

Mediterranean Sea

Mediterranean Sea on the map

The Mediterranean Sea is an intercontinental sea that stretches from the Atlantic Ocean in the west to Asia in the east, and separates Europe from. This sea has an area of ​​2.5 million km² and a coastline of about 46 thousand km, and is considered the largest inland sea on Earth. The Mediterranean Sea has an average depth of 1,500 m, and the deepest point recorded is 5,267 m, in the Ionian Sea. The Mediterranean Basin contains some of the most fertile, beautiful and therefore most desirable land on the planet. Typical is characterized by hot, humid and dry summers and mild, rainy winters. is one of the most populated and developed regions in the world. However, it is also one of the least protected regions in the world.

Great view of the Mediterranean Sea

This sea contains significant reserves of oil and natural gas. While Mediterranean oil and natural gas production is only a small part of the world's production, a significant part of the world's total oil refining takes place in the Mediterranean region. In addition, petroleum products are produced for domestic consumption and export.

The Mediterranean is stable due to the strong closed nature of the currents, which favorably affects even the smallest macroscopic organisms. The stable Mediterranean Sea and water temperatures provide a breeding ground for life at depth that allows organisms to thrive while maintaining a balanced aquatic ecosystem. The Mediterranean Sea has a rich variety of marine biota. Almost one third (about 12 thousand) species are endemic.

Commercial fishing is of great economic importance for the region. There is a strong demand for fish and seafood, and the total catch for consumption in Mediterranean countries - both inside and outside the region - is a significant proportion of the world catch.

tasman sea

Tasman Sea on the map

the Tasman Sea is a marginal sea located in the southwestern Pacific Ocean, between the southeastern coast of Australia and Tasmania in the west, and New Zealand in the east; it merges with the Coral Sea in the north, and covers an area of ​​​​about 2.3 million km². The maximum depth exceeding 5200 m was recorded in the East Australian Basin.

The sea was named after the Dutch navigator Abel Tasman, who sailed across it in 1642.

Paradise Island in the Caribbean

The South Equatorial Current and prevailing winds feed the East Australian Current, which is dominant along the coast of Australia. From July to December, its effect is minimal, and colder waters from the south can penetrate far north. Lord Howe Island, located on this parallel, is the most southerly development of the modern coral reef. To the east, the water circulation is controlled by the current from the western Pacific from January to June and by colder subantarctic water moving northward through the Cook Strait from July to December. These different currents tend to make the climate temperate in the south of the Tasman Sea and subtropical in the north.

The sea is traversed by shipping lanes between New Zealand and southeast Australia and Tasmania, and its economic resources include fishing and oil fields in the Gippsland Basin in eastern Bass Strait.

About 90% of the marine life of the Tasman Sea is found nowhere else, as it is the meeting point of three ocean currents. It serves as a habitat for a huge number of species; from microscopic life forms to a giant squid capable of forming rings the size of car tires.

Bering Sea

Bering Sea on the map

The Bering Sea is a marginal sea of ​​the Pacific Ocean. Covering an area of ​​more than 2 million km², the sea borders in the west on the Kamchatka Peninsula and the Russian Far East; in the south - with the Aleutian Islands; in the east - with Alaska.

The sea ends in the Bering Strait, located south of the Arctic Circle. This strait is a narrow sea passage between the easternmost point of the Asian continent (Russia) and the westernmost point (Alaska).

The sea (and the strait) are named after the Danish-born Russian sailor Vitus Bering, who first saw the land of Alaska while exploring the area with a Kamchatka expedition in the mid-18th century.

Stormy Bering Sea

Although the Bering Sea is located at the same latitude as Great Britain, its climate is much more severe. The southern and western parts are characterized by cool, rainy summers with frequent fogs and comparatively warm snowy winters. Winters are extreme in the northern and eastern parts, with temperatures ranging from -35° to -45° C and strong winds. Summers in the north and east are cool, with comparatively low precipitation. January and February are the coldest months, July and August are the warmest. Severe storms, caused by centers of low atmospheric pressure, sometimes penetrate the southern part of the sea.

It is believed that oil and gas fields exist under the shelf of the Bering Sea, and along the edge - Kamchatka. However, the amount of potential reserves is unknown.

There are more than 300 species of fish in the Bering Sea, including 50 species that are deep-sea. The most important among them are salmon, herring, cod, flounder, halibut and pollock. Fur seals and sea otters are found on the islands. Walruses, seals and sea lions live in the northern regions. Several species of whales, especially gray whales, migrate to the Bering Sea to feed during the summer. Intensive fishing has drastically reduced some of the most valuable fish species and this has resulted in greater exploitation of other species.

The World Ocean is the most amazing and least studied object on our planet. How many mysteries it contains, and how many discoveries are yet to be made by people studying the deepest seas and oceans on our planet.

The deepest seas in the world

The Pacific Ocean has broken all records for depth and contains four of the six deepest seas in the world. If you line up the seas by depth, as by height, in meters and kilometers, then their leaders are: the Philippine Sea and the Coral Sea, then comes the Banda Sea, the Caribbean Sea, the Weddell Sea and the Tasman Sea.

In the first place is the Philippine Sea. It is located in the Pacific Ocean, near the Philippine archipelago. It is to this sea that the deepest oceanic trench, the Mariana Trench, is attributed, thus, the greatest depth of the Philippine Sea is 11022 meters. Even the average depth of this sea is more than 4 km, while the depth of the Sea of ​​Azov, for example, does not exceed 14 meters.

There are volcanoes at the bottom of the Philippine Sea. Due to the enormous depth, marine life here is not fully understood, mainly those that are found in surface and coastal waters. It is known that sea turtles, dolphins, swordfish, and various shellfish live in the Philippine Sea. In addition, there are a lot of sharks dangerous to humans, including tiger and gray sharks. But the large deep-sea inhabitants of the Mariana Trench are definitely predators, and even what! Most of all, they look like monsters with many teeth and huge jaws. Not all deep-sea fish have eyes, and if they do, they are not at all like the ones we are used to, because there is complete darkness at the bottom of the depression. But many have very developed organs that capture sounds. There are also simple organisms that have existed for billions of years.

The second place is occupied by the Coral Sea, with a depth of 9140 meters, one of the most beautiful seas in the world. This sea is also located in the Pacific Ocean, off the coast of New Guinea and Australia. The Coral Sea is characterized by a large number of islands, and of course, many coral reefs. The most famous of them is the Great Barrier Reef. Among the inhabitants of the Coral Sea are starfish, hedgehogs and turtles, flying fish, many different types of shrimps, crustaceans and crabs.

The third place rightfully belongs to the not very large, but very deep (up to 7440 meters) Banda Sea. It is located off the coast of Indonesia, and also belongs to the Pacific Ocean. This is a volcanic zone and the islands in the Banda Sea are of volcanic origin. Dolphins, squids, jellyfish, octopuses, nautiluses, sharks, rays, and even sea snakes live in this sea.

In fourth place in the ranking of the depths of the Caribbean Sea. It is located in the Atlantic Ocean between South and Central America. The depth of this sea is 7090 meters, and among the depressions and rises at the bottom lie sunken frigates and galleons. The search for sunken treasures continues to this day, and many countries dispute the ownership of these treasures.

How deep is the Black Sea?

The Black Sea is not the deepest sea in the world, but among the inland seas of our country it is in first place - its greatest depth is 2258 meters. Compared to the Sea of ​​Azov, which is only about 14 meters deep, or the Baltic Sea (500 meters deepest), the Black Sea is very deep. And it also differs from other seas of our country in that part of its shores are mountains (the Caucasus, the southern coast of Crimea), which go into the water at a steep angle. Because of this, the slope of the bottom in these places is greater. But there is also shallow water - this is the northwestern part of the Black Sea.

The deepest sea in Russia

Russia is a huge country, and many seas wash its shores, but most of them are in the North and East of the country. But the seas of the Arctic Ocean do not have such depth and dimensions as the seas of the Pacific Ocean, located off the eastern coast of our country. This is explained by the structure of the earth's crust in those places. Three seas are located in the Pacific Ocean in the east of Russia: the Sea of ​​Japan, the Sea of ​​Okhotsk, and the northernmost of them, the Bering Sea. They are separated from the ocean itself by islands (Kuril, Japanese and Aleutian).

Further there are oceanic depressions, including one of the deepest in the world - the Kuril-Kamchatka depression with a depth of 9717 meters. If we arrange these seas in order of decreasing depth, we get the following: the leader will be the Bering Sea with a maximum depth of 4151 meters. Then comes the Sea of ​​Okhotsk, its depth is 3916 meters. And in last place will be the Sea of ​​​​Japan, since it, although a little, is inferior to the Sea of ​​\u200b\u200bOkhotsk, its maximum depth is already only 3742 meters. As you can see, the deepest Russian sea - the Bering Sea - is far behind the world leaders.

However, this is not all the most interesting thing that can be said about the deepest sea in Russia..

Which sea is the deepest in the world?

There is no single answer to this question, because depth can be assessed in different ways. Usually, nevertheless, they take the maximum depth for comparison, but you can also consider the average depth of the sea. Or the depth of most of the sea. True, no matter how deep the sea is, it still cannot be compared with oceanic depressions. The greatest depth was measured in the Mariana Trench - 11022 meters.

It is essentially a deep-water trench, and the name of the depression is given by the nearby Mariana Islands. And, since the Mariana Trench is now assigned to the Philippine Sea, it has become the leader in depth among all the seas on the planet. True, even without this depression, the Philippine Sea is the deepest in the world, the maximum distance to the bottom of it, according to some sources, is 10265 meters.
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Not all seas are within continents. Some of them are parts of other seas or even the ocean. Do you know which seas have no shores? And the area of ​​which sea cannot be measured?

The largest seas in Russia

Our country is washed by 13 seas, if we count the Caspian, which is a sea-lake. And the largest sea in Russia is the Bering Sea. It is located between America and Eurasia, and its area is 2315 thousand square kilometers. Previously, this sea was called Bobrov or Kamchatka. But after the Russian navigator Bering explored Kamchatka and Alaska in those places, the sea was named after him.

The Bering Sea is also notable for the fact that it is located in three climatic zones at once. During the winter season, the wind on this sea is so strong that it can easily knock you off your feet. And the northern part of the sea is covered with ice for almost half a year. Storms are also frequent in these waters, especially strong in its western side. The shores of the Bering Sea are mostly cliffs and steep slopes where seabird colonies like to settle.

The Bering Sea is of great importance mainly because it is a major route for maritime transport. It connects the Far Eastern and Northern Sea Routes. Fishing is also well developed here. In the waters of the sea, you can get herring, pollock, cod, flounder and other fish. Occasionally, on its shores, hunting is also carried out for marine animals - a fur seal, a seal, and crabs.

The next largest sea after the Bering Sea is the Sea of ​​Okhotsk. Its area is 1590 thousand square meters. km. Immediately behind it is the Barents Sea, 1405 thousand square meters. km. The remaining seas in our country do not exceed 1000 thousand square meters in area. km.

How big is the Black Sea?

For example, the Black Sea, the most popular among our compatriots, has a size of 423 thousand square meters. km. At the same time, it is quite deep when compared with other Russian seas. The Black Sea is completely surrounded by land, but it also has access to the World Ocean through the Bosporus and Dardanelles straits. It washes the shores of seven countries - Russia, Turkey, Bulgaria, Romania, Georgia, Ukraine and Abkhazia. 16 rivers carry their fresh waters into the sea, including the Danube, Dnieper and Dniester.

According to one hypothesis, the Black Sea arose on the site of the deepest freshwater lake on Earth. After the end of the ice age, when the level of the World Ocean rose, the lake and its surrounding shores were flooded. It is possible that the layers of hydrogen sulfide, which are located in the depths of the Black Sea, are due precisely to the process of decomposition of organisms that were under water at that time. Some scientists believe that this is where the myth of the Flood came from.

The mild climate and the diversity of its shores have always attracted numerous tourists. The water in it does not fall below +1 degree Celsius even in February, and in summer it warms up to +25-+26 degrees. Although this sea is not the largest, it undoubtedly remains one of the most visited places in the whole world.

What are the big seas?

What other seas deserve our attention because of their size? One of the largest seas in the world is the Philippine. The area of ​​this sea is 5726 thousand sq. km. At the same time, this sea beats all records for the maximum depth, it is 11,022 m.

The Philippine Sea does not have clear coastal boundaries. It is separated from the Pacific Ocean by groups of islands. Along its northern and western borders, there is an area in which increased seismic activity is recorded. Today, many of the volcanic eruptions occur in this place.

The area of ​​the Coral Sea is slightly smaller than the Philippine Sea, 4068 thousand square meters. km. It is also located in the Pacific Ocean. The coral sea lies off the coast of Australia and New Guinea. This sea got its name because of the abundance of coral reefs and islands. Here is the most famous and largest coral reef in the world - the Great Barrier Reef.

Also in the list of the 10 largest seas on the planet, we can see the Tasman Sea, the Caribbean, the Uzdella Sea, the Mediterranean and others.

The largest sea in the world

Well, now you can talk about the largest sea on our planet. It is deservedly called a miracle of nature, because the shores of this sea are ocean currents, one of which is the Gulf Stream. And depending on the season and the direction of these currents, the area of ​​\u200b\u200bthe mysterious Sargasso Sea can also change. Because of this, it is very difficult to accurately name its size, but scientists suggest that its maximum value is about 8 million square meters. km.

The Sargasso Sea got its name because of the large number of light green algae that grow in abundance in its waters. Moreover, this sea is their home, they are born in it, and they die here. Thanks to air bubbles, algae are constantly kept on the surface of the water, at the same time being the main food for marine life.

Another feature of this sea is that it is in it that the spawning of European and American eels takes place. Fish swim thousands of kilometers to produce offspring here and die. Warm still water and plenty of food create ideal conditions for young eels to grow and become stronger. After that, they go to their main habitats.

But the outward calm of the Sargasso Sea is deceptive. In its depths, powerful whirlwinds are created by huge streams of water, rising from the bottom up. These vortices mainly affect the temperature of the water. It can vary from +18 to +28 degrees Celsius. But for a seaside holiday, you will have to choose some other sea, since it is almost impossible to swim in Sargasso because of the lack of approaches to the water.

The Caspian Sea, for example, is considered small. But in fact, it is not even a sea, but a lake. More information about the largest lakes can be found on the website.
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“You can’t find a lid for the sea,” says a Turkish proverb. Among the dozens of seas on the planet, there are« mastodons» , exceeding the area of ​​Kazakhstan by 2–2.5 times. Find out which is the largest sea in the world and what secrets it holds.

Sargasso Sea - the largest in the world

Among the dozens of seas, the Sargasso Sea is the largest in the world. It is located off the coast of North America, above the Bermuda Triangle. Its area is 6–7 million km². The sea does not have exact boundaries due to the lack of a coastline on all sides, so its dimensions remain "floating". The average depth of the sea is 6000 m, and the deepest point - 6995 m

The lion's share of the sea surface is covered with lush algae, called "sargasso". Due to the high temperature of the sea, plankton is almost absent, therefore, for the inhabitants of the reservoir, algae - main food. Scientists are surprised by the unique temperature difference in the waters of the Sargasso Sea: in one part the temperature is +18, in the other - +28 degrees Celsius. The sea is characterized by sudden whirlwinds that can pull the boat to great depths.

In the Middle Ages, the Sargasso Sea was called the "graveyard of ships." The sailors were afraid to enter the waters overgrown with algae: ocean currents wash the sea from all sides, while complete calm reigns inside. Even Christopher Columbus complained in his diaries about poor trafficability, which is why the team nicknamed the Sargasso Sea the “Sea of ​​​​Grapes”.

The Sargasso Sea is now one of the most polluted in the world. Ocean currents have formed a huge garbage patch in the center. Plastic waste negatively affects the inhabitants of the reservoir: fish and birds take shiny waste for food and get fatal poisoning. The Sargasso Sea is not the best place to relax: you are waiting for complete calm in a kelp swamp, sudden whirlwinds and a huge garbage dump on the water.

The largest seas on earth

“And the sea would spill if it didn’t have shores,” says a Finnish proverb. Among the dozens of seas there are vast reservoirs, only slightly inferior to the Sargasso Sea. The largest seas on Earth include:

• Philippine Sea. It is located off the Philippine Islands and washes the shores of Japan and Indonesia. Formally, the Philippine Sea is the largest in the world, because Sargasso has no exact boundaries. Its area is 5726 thousand km². The Philippine one is rightfully considered the deepest - 10994 m.
• coral sea. Situated between Australia and New Zealand. The area is 4791 thousand km², and the depth is 9140 m.
• Arabian Sea. Its waters wash the shores of the Arabian Peninsula and India. The area is 3862 thousand km², and the depth is 5803 m.
• South China Sea. Located between the Indian and Pacific oceans. Its area is 3537 thousand km², the depth is 5560 m.
• Weddell Sea. Washes the coast of West Antarctica. The area is 2920 thousand km², the depth is 6820 m.
• Caribbean sea. Located near Central America. The area is 2753 thousand km², and the depth is 7686 m.
• Mediterranean Sea. Washes the shores of several continents. Its area is slightly smaller than the area of ​​Kazakhstan - 2500 thousand km². The maximum depth is 5121 m, while the average is only 1541 m.

The Caspian Sea washing the shores of Kazakhstan, in comparison with those listed, looks like a small lake: its area is 371 thousand km², and its depth is 1025 m. Among all 63 seas on Earth, there are those where there are mysterious places that keep many secrets. Despite tremendous progress, much in the depths of the sea remains unexplored. Perhaps soon we will hear about new interesting finds and discoveries in the vast waters of the vast seas.