In appearance, it is a hulking hunchback-like creature that patrols its specific zone. It wields a fallen tree, just like the Forest Guardian. Its main colors are grey, pinkish brown, and blue. It has a perplexed nose and mouth as implied by its drop, Perplexed Shellmouth.
There is one known attack that the Ocean Guardian will unleash upon the players. Its known attack is where the guardian swings its weapon to make an attempt to land a direct hit on the player.