This is a list of seas of the World Ocean, including marginal seas, areas of water, various gulfs, bights, bays, and straits.[2] In many cases it is a matter of tradition for a body of water to be named a sea or a bay, etc., therefore all these types are listed here. Entities called "seas" which are not divisions of the World Ocean are not included in this list, nor are Ocean gyres.
There are several terms used for bulges of ocean that result from indentations of land, which overlap in definition, and which are not consistently differentiated:[12]
Many features could be considered to be more than one of these, and all of these terms are used in place names inconsistently; especially bays, gulfs, and bights, which can be very large or very small. This list includes large areas of water no matter the term used in the name.
The largest terrestrial seas, in decreasing order of area, are:
This list is incomplete; you can help by adding missing items. (July 2023) |
Seas may be considered marginal between ocean and land, or between oceans in which case they may be treated as marginal parts of either. There is no single ultimate authority on the matter.[13]
(clockwise from 180°)
In addition to the marginal seas listed in the three subsections below, the Arctic Ocean itself is sometimes also considered a marginal sea of the Atlantic.[14][15]
(coast-wise from north to south)
(from east to west)
While all other seas in the world are defined at least in part by land boundaries, there is only one sea which is defined only by ocean currents:[20]
Entities called "seas" which are not divisions of the World Ocean are not included in this list. Excluded are: