up to 24 hours before the experience starts (local time)
The TIME you book is CHECK IN TIME arrive at wetsuit van. Address is 78-7138 Kaleiopapa Street. Look for "Hawaii Island Ocean Tours & Kona Snorkel Tours" White Van by the Outrigger Hotel entrance. Park Free along road, NO parking in the long narrow stalls designated for vehicles w/boat trailers.
You can cancel up to 24 hours in advance of the experience for a full refund.