Complex sentence: They most often can be found occupying the rock-pools and the ocean surrounding Marooners' Rock, and their homes are "coral caves underneath the waves" to which they retire at sunset and rising tide, as well as in anticipation of storms.
Split into simpler sentences: They most often can be found occupying the rock-pools and the ocean surrounding Marooners' Rock. Their homes are "coral caves underneath the waves" to which they retire at sunset and rising tide, as well as in anticipation of storms.