up to 24 hours before the experience starts (local time)
Please check in 1 hour 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 departure time.
09:30 AM
You can cancel up to 24 hours in advance of the experience for a full refund.