Lava Ocean Adventures. The best lava boat operator on the island, Captain Shane Turpin takes the 24-passenger Lava Kai near lava flows spilling out of Kilauea's southeast vent. This is a once-in-a-lifetime chance to see molten earth hitting the sea in Mother Nature's most thrilling show. Tours are volcano dependent and leave from Pohoiki Boat Ramp at 5:30 am. Pohoiki, HI. 808/966–4200. www.seelava.com. $150.