Hulopou Bay Introduction: Hulopou Bay is located on the southern coast of Lanai. It is famous for its vast pearly white sand beach and clear blue water. It was also named by Dr. Stephen Leatherman (Dr. Beach Doctor) because of the pure beauty of the bay. ) called "America's Best Beach." A major feature of Hulopu Bay is the huge tide pool on the east side of the bay. The water flow here is smooth and there are many crabs, starfish, opihi (limpets) and small fish, making it suitable for exploration.