The Blue Lagoon spa is manmade. What’s a true lagoon?
A A dry bed that fills after rainfall
B Area of water bordered on three sides
C A pool separated from a larger one by land
A naturally occurring lagoon is a shallow pool of water separated by a landform from an even larger body of water. Typical features of coastal regions, they can be categorized as either barrier or atoll lagoons, the latter of which mainly form due to coral reef growth.
The correct answer is A pool separated from a larger one by land.