Difference Between Lake and Lagoon

Water is essential for life and appears in various forms on our planet: there is fresh, warm, salty, sweet water there are bodies of water completely surrounded by land, long, narrow, wide, round; in short, of all kinds.  Difference Between Lake and Lagoon

As you can see, there are many types of water bodies and we know that lakes are included among them. However, there are other bodies called lagoons, which have a certain resemblance to lakes; but they are different from these.

Below we clarify what is the difference between a lagoon and a lake.

LAGOON  Difference Between Lake and Lagoon

A lagoon is a body of water that forms near coastal areas. It is superficial and has a small link with the sea; although it is also separated from it thanks to the reefs and the sandbanks.

The water from the lagoons can be transported to the oceans and also the water from the oceans can pass through the barriers and enter the lagoons. Being surface water bodies, there are many factors that affect their salinity and temperature; this same element (from the shallow depth) also influences its evaporation and precipitation.

Some lagoons connect to the oceans through a long, narrow channel. In addition, their size is usually much smaller than that of lakes.

As sometimes the barriers protect them and do not get to mix with the sea water, there are lagoons that are fresh water. In the same way, as they are shallow, the lagoons can house certain plants within them.


Depth can be considered as the element that most contributes to differentiate lakes from lagoons, the former are much deeper; since as we saw previously, the lagoons are superficial.

A lake is a body of water surrounded by land on all sides, except for the part by which it is fed by a river, stream, or any other body.

Lakes are far from oceans and seas . They are found in all parts of the world and some can be caused by humans. Most of the lakes are freshwater.

Key differences between lake and lagoon

  • The lagoons are shallow and are generally connected to the sea or ocean, while the lakes are deeper and connect to rivers or streams (they are not close to the sea).
  • The lagoons are almost always salt water, while the lakes are usually fresh water.
  • In the world there are more lakes than lagoons.
  • Some plants can grow within the lagoons, but in the case of lakes, these can only grow on the shores of the same.

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