Piape Reef. A coral reef with an area of more or less four (4) hectares located within the municipal fish sanctuary. The whole area is covered with a variety of corals and 10-12 depth fathom blue clear water use to be the breeding ground of variety of species of marine life. The area will submerge during high tide and is visible during low tide. It is one of the best take off point of scuba divers and a scuba diving destination in the south. It is estimated to be nine (9) kilometers from the Poblacion and only around five (5) kilometers from the Piape shoreline. It is accessible by all type of land transportation from Poblacion Padada to barangay Piape and by boat or motorized banca from Piape to the reef. A prelude to Piape coral reef is a sandy reef locally known as Pasig which will also submerge during high tide but is only ½ hectare in area surrounded with a knee-length muddy water not conducive to swimming and diving.

Marine Sanctuary. It is located adjacent to Piape Reef facing Piape Hills. It is 4.5 Km. East of Poblacion facing Davao Gulf and can be reached on a motorized boat in 5-7 minutes. It has an area of 50 hectares surrounded with buoys from BFAR for its protection and identification. It is a breeding ground of 50-60 species of marine life.