Punaluʻu Beach known us called Black Sand Beach, is a beach between Pāhala and Nāʻālehu on the Big Island of the U.S. state of Hawaii.Punalu'u Beach Park is the most expansive and most accessible black sand beach is the most famous black sand beach is the most expansive and most accessible black sand beach, watch the sea turtles, and swim or snorkel.The white tips of cresting waves against the deep blue Pacific are beautiful, but it's the astonishing black sand beach that will take your breath away. You can also spread out a blanket under a towering coconut tree for a midday picnic or afternoon siesta, or sit for hours watching the action in the park's beautiful freshwater fish pond. The white tips of cresting waves against the deep blue Pacific are beautiful, but it's the astonishing black sand beach is the most famous black sand beach, watch the sea turtles, and swim or snorkel. You can also spread out a blanket under a towering coconut tree for a midday picnic or afternoon siesta, or sit for hours watching the action in the park's beautiful freshwater fish pond.enjoy the Punaluʻu Beach Hotels, travel and others..