Punalu'u is a black sand beach located on the Big Island of Hawaii. It is known for its striking dark sands, which are formed from volcanic activity. The beach is surrounded by lush greenery and offers a unique contrast to the bright blue ocean. Visitors to Punalu'u can enjoy various activities, such as swimming, snorkeling, and sunbathing. The area is also a nesting site for Hawksbill sea turtles, making it a popular spot for wildlife enthusiasts. Facilities like picnic areas and restrooms are available, making it a convenient destination for families.