Papakolea Beach | RugliG/Shutterstock
Kahaluu Beach Park | Shell20/Shutterstock
Pohoiki Black Sand Beach | Dmitri Kotchetov/Shutterstock
Manini'owali Beach | norinori303/Shutterstock
Tide pools along Hilo coast | Jamethiel/Shutterstock
Waipio Black Sand Beach | Abbie Warnock-Matthews/Shutterstock
Mauna Kea Beach | yuruphoto/Shutterstock