One embodiment of a tool to pierce and split a coconut to facilitate removal of the water and meat from the nut. The tool includes of a body (100), comprising a frame (110) sufficient in size to accommodate a coconut and a constrictor cup (124), a shaft (210) which has releasably engaged tap assembly (300) and a releasably engaged splitter assembly (400). The body has a hub aperture (160) to receive the shaft (210). The shaft has means to urge both the cutting and the splitting end into coconut. Other embodiments are described and shown.