up to 24 hours before the experience starts (local time)
Please check in 20 minutes before your tour departure time at the Hilo Ocean Adventures storefront (located at 1717 Kamehameha Ave. Hilo, HI 96720). If you have booked a refresher course, please check in 2 hours before your tour start time.
07:00 PM
You can cancel up to 24 hours in advance of the experience for a full refund.