Holo Holo Charters offers daily Kauai boat tours to the Napali Coast, Niihau & Lehua Crater. Book now for the best Kauai boat tour to snorkel & sightsee Nāpali. Since 1997, Holo Holo Charters has taken people on unforgettable adventures to Kauai’s, world-famous Napali Coast and remote locations like Lehua Crater off the “Forbidden Island”