Dilumacad Island has a white sand beach stretching to some 300 meters on its South Eastern side. There is an underwater tunnel at its northern side and a fringing reef on its southern end. The island is also called Helicopter Island because its limestone cliffs resemble the shape of a helicopter when it is viewed from a considerable distance. The island itself is small by land mass, but is rich in vegetation and has a thick, dense rainforest, along with some bare rock, that seems to rise directly out of the deep blue sea.