Laguna

Natural body of water, typically freshwater.

lagoon

A Laguna is a natural body of water, typically freshwater, often found in regions with seasonal rainfall patterns.

/ləˈɡuːnə/

Laguna is derived from the Spanish word for lagoon.

A laguna is like a calm pool of water that's often separated from the ocean by sandbars or islands.

What is a laguna? It's a shallow body of water separated from a larger body of water
Are all lagunas freshwater? No, some are saltwater and connected to the ocean
Can lagunas be found on other planets? Possibly, but none have been definitively confirmed

lake wetland

coastal lagoon freshwater lagoon

water body

natural object water body