yes there are salty seas. but lakes are very rare to find salty.
Because the seas do not reach them to get salt into them
the lakes & salty seas, the mountain, the wind, the air and the sun.
Why rift valley lakes salty
Assuming the question is, "Is the Atlantic Ocean full of saltwater?", then the answer is yes. Ocean and seas are salty; rivers and lakes are freshwater.
These lakes tend to be salty, as minerals are constantly carried into them by incoming water.
All seas and oceans are salty. Those near the Equator tend to be slightly more salty.
The oceans and seas were not originally salty. Over a period of many millions of years, rainwater runoff leached salts out of the rocks and down into the oceans, where it gradually accumulated to the salinity we have now. The process is continuing, and in millions of years time the oceans and seas will be a little more salty than they are now.
Salty. They are made out of salt water.
Some lakes, such as the Great Salt Lake in Utah, are salty. The Great Lakes are freshwater because there is no source of salt to supply them.
These lakes have no outlets to carry the salts away to the sea.
As suggested by the name, the Great Lakes are all lakes - bodies of fresh water. Seas are bodies of salt water.
Yes, as all seas are salty, the Southern Ocean that surrounds the continent is salty, too.