The island is home to a number of species and is considered a biodiversity hotspot, where species like the window-pane oysters, plate corals, clams, and crabs are found. The islanders, being protective, have taken the responsibility for ensuring a balance between species conservation and fishing for a livelihood. Having disallowed commercial use of the island and obstructing the advances of industrialization, San Jacinto remains a well-conserved treasure trove of nature and natural beauty.