This category is for seas in Middle-earth.
“The Sea of Núrnen, also called Lake Núrnen was a large inland body of water] in Mordor...Sea of Núrnen
“The Sea of Helcar (also spelt Helkar) was a great inland sea which existed during the First Age...Sea of Helcar
“Ekkaia, sometimes spelt Eccaia and also known as Vaiya, the Outer Ocean, the Outer Sea, and the...Ekkaia
“The Shadowy Seas were part of the Great Sea that lay closest to the shores of the Blessed Realm...Shadowy Seas
“The Sea of Ringol was a great inland sea. It is believed that the Sea of Ringol was formed from...Sea of Ringol