HOW MANY SEAS ARE THERE IN THE WORLD?

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Oceans and seas make up 70% of the Earths' surface. The terms ‘sea’ and ‘ocean’ are often used interchangeably when speaking about the ocean.  In Geographical terms there is a difference.  A sea is a smaller division of water attached to the ocean.  Seas are part of the ocean that are partially enclosed by land.  They are smaller than oceans and typically located where the land and ocean meet.  

It is often said that sailors sail the seven seas of the world, but is this an accurate representation of the amount of seas on the Earth? There are in fact 108 seas (including the five oceans) on the planet.  They vary immensely in size and have different characteristics.  

The Dead Sea borders Israel and Jordan. It is famous for its scrolls and high salt content, which is six times higher than the ocean.  The high salt levels are due to high transpiration levels and because there are two rivers that flow into the sea but there is no outlet from it.  This ensures that nutrients continue to be washed into the sea.

The red sea is not actually red, but may get its name from a type of algae called Trichodesmium erythraeum, which is found in the sea. When these blooms of algae die off they appear to turn the blue-green colour of the ocean to a reddish-brown.  

The Black sea is almost completely cut off from the world's other seas and ocean. The Black Sea is the world's most isolated sea-connected to the Oceans via the Mediterranean Sea through the Bosphorus, Dardanelle and Gibraltar straits. The deepest waters of the Black Sea extend to depths of well over two kilometres.

The largest area of water is the Pacific ocean, which takes up more than a third of the planets surface.  The smallest sea in the world is the Sea of Marmara, connecting the Black and Mediterranean Seas.  It has an area of 11,350 km².

Seas of the World

Adriatic Sea, Aegean Sea, Aland Sea, Aki-nada, Alboran Sea, Amakusa-nada, Amundsen Sea, Andaman Sea, Arabian Sea, Arafura Sea, Aral Sea, Arctic Ocean, Atlantic Ocean, Baie d'Hudson, Bakor Sea, Balearic Sea, Bali SeaBaltic Sea, Banda Sea, Barents Sea, Bay of Bengal, Beaufort Sea, Bellingshausen Sea, Bering Sea, Bingo-nada, Bismarck Sea, Black Sea, Bohol Sea, Bulkhead Rip, Camotes Sea, Cape Rip, Caribbean Sea, Caspian Sea, Celebes Sea, Celtic Sea, Ceram Sea, Chosŏndong-hae, Chukchi Sea, Clement Rapids, Coral Sea, Daryā-ye Khazar, Daryā-ye Khezer, Daryā-ye Māzandarān, Daryā-ye ‘Ommān, Davis Sea, Dent Rapids, Dicks Rip, Dumont d'Urville, Mer, East China Sea, East Siberian Sea, Eastern Chops, Eastern Mediterranean, Flores Sea, Galloway Rapids, Genkai-nada, Greene Point Rapids, Greenland Sea, Gulf of Mexico, Halmahera Sea, Harima-nada, Hibiki-nada, Hiuchi-nada, Hyŏnji-hae, Hyūga-nada, Indian River, Inland Sea, Ionian Sea, Irish Sea, Itsuki-nadaIyo-nada, Java Sea, Jiuzhou Yang, Kalupag Sea, Kara Sea, Kashima-nada, Khalkidhikón Pélagos,, Kong Håkon VII Hav, Koro Sea, Kosmonavtov, Kumano-nada, Labrador Sea, Laccadive Sea, Landmeen, Laptev Sea, Laut Lepar, Lazareva, Leading Tickles, Ligurian Sea, Lincoln Sea, Long Rip, Luzon Sea, Maotou Yang, Mawson Sea, McKinley Sea, Mediterranean Sea, Meiyu Yang, Mer d' Emeraude, Mer de Lincoln, Mer du Labrador, Mindanao Sea, Mizushima-nada, Molucca Sea, Moore Rip, Myrtóön Pélagos, Nakwakto Rapids, North Sea, Northwest Rip, Northwest Straits, Norwegian Sea, Outer Bald Rip, P'eng-hu Wan, Pacific Ocean, Pechorskoye, Philippine Sea, Pollock Rip, Prince Gustaf Adolf Sea, Putuo Yang, Qizhou Yang, Queen Victoria Sea, Quoddy River, Red Sea, Riser-Larsena, Ross Sea, Saaristomeri, Salish Sea, Samar Sea, Sargasso Sea, Savu Sea, Scotch Corner, Scotia Sea, Sea of Azov, Sea of Crete, Sea of Japan, Sea of Marmara, Sea of Okhotsk, Sea of the Hebrides, Shag Harbour Rip, Shantarskoye, Short Rip, Sibuyan Sea, Sodruzhestva, Solomon Sea, Somova, South China Sea, South Pacific Ocean, Sulu Sea, Suō-nada, Tail of the Rip, Tasman Sea, Thálassa Cheimarras, Thale Phuket, The Hospital, The Overfalls, The Rip, The Swirlers, The Tittle, Thimble, Tickles, Thrakikón Pelagós, Timor Sea, Tosa-wan, Tyrrhenian Sea, Uwa-kai, Virsko, Visayan Sea, Wandel Hav, Weddell Sea, Western Mediterranean, Whirlpool Rapids,White Sea, Wilsons Rip, Yellow Sea.

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