Sea

A sea is a large expanse of saline water connected with an ocean, or a large, usually saline, lake that lacks a natural outlet such as the Caspian Sea and the Dead Sea. The Sea of Galilee is a small freshwater lake without a natural outlet, but the term was applied to it anyway. The term is used colloquially as synonymous with ocean, as in the tropical sea or down to the sea shore, or even sea water referring to water of the ocean.

List of seas, divided by ocean

Pacific Ocean

• Bering Sea
• Gulf of Alaska
• Sea of Cortez (aka Gulf of California)
• Sea of Okhotsk
• Sea of Japan
• Seto Inland Sea
• East China Sea
• South China Sea
• Beibu Gulf
• Sulu Sea
• Celebes Sea
• Bohol Sea (aka Mindanao Sea)
• Philippine Sea
• Flores Sea
• Banda Sea
• Arafura Sea
• Timor Sea
• Tasman Sea
• Yellow Sea
• Bohai Sea
• Coral Sea
• Gulf of Carpentaria

Atlantic Ocean

• Hudson Bay
• James Bay
• Baffin Bay
• Gulf of St. Lawrence
• Caribbean Sea
• Gulf of Mexico
• Sargasso Sea
• North Sea
• Baltic Sea
• Gulf of Bothnia
• Irish Sea
• Celtic Sea
• Mediterranean Sea
• Adriatic Sea
• Aegean Sea
• Black Sea
• Sea of Azov
• Ionian Sea
• Ligurian Sea
• Mirtoon Sea
• Tyrrhenian Sea
• Gulf of Sidra
• Sea of Marmara
• Sea of Crete
• Bay of Biscay
• Gulf of Guinea

Indian Ocean

• Red Sea
• Gulf of Aden
• Persian Gulf
• Gulf of Oman
• Arabian Sea
• Bay of Bengal
• Gulf of Thailand
• Java Sea

Arctic Ocean

• Barents Sea
• Kara Sea
• Beaufort Sea
• Amundsen Gulf
• Greenland Sea
• Chukchi Sea
• Laptev Sea
• East Siberian Sea
• White Sea

Southern Ocean

• Weddell Sea
• Ross Sea
• Great Australian Bight
• Gulf St. Vincent
• Spencer Gulf

Landlocked seas

• Aral Sea
• Caspian Sea
• Dead Sea
• Sea of Galilee
• Salton Sea