The Suncheon Bay area is a rich treasury of marine life.

Various organism groups, from microbes to higher life forms, inhabit the Bay. A total of 43 different species can be found in the benthic layer.

The density of the organisms is about 300 individuals per 0.1m²

The dominant species can be categorized as: a) Neanthes Japonica (Japanese Sandworm); b) Cleistostoma Dilatatum (Mud-Crab); c) Cerithidae Largillierti Philippi (Patagonia Shell)

The upper beach area of Suncheon Bay is inhabited by: a) Sesame Erythrodactyla Hess (Red-Handed Shore Crab); b) Uca Arcuata (Fiddler Crab); and c) Helice Tridens (Tunneling Mud Crab) while the middle and lower beach area of the Bay plays host to: a) Macrophthalmus Japonicus (Heller Mud Crab); b) Ilyoplax Deschampsi (Grey Mud Crab); and c) Philyra Pisum (De Haan Crab), all of which are densely represented.

Cyclina Sinensis (Meterix Clam); Megangulus Venlo (Mud Crab); Glaucinomyachinensis (Brown Clam) are widely spread throughout the middle and lower beaches of the Bay.