OK, they are not totally private but secluded enough that they Hawaii beachwill offer you plenty of privacy and peace all your own. On the Big Island check out Pololu Beach on the northern rocky Kohala Coast that is perfect for a romantic getaway. Kauai Hawaii has Polihale Beach with pristine white sand and hardly any people. Polihua Beach in Lanai is accessible only by 4-wheel drive but worth it. Waianapanapa Black Sand Beach in Maui Hawaii is worth the trip for sea caves and lava tubes. And finally, check out Bellows Field Beach in Oahu Hawaii that is great for swimming and sparsely populated.