Aloha! I just did a quick forum search and can't find a topic on this. My partner believes that there is a place in/near Kona to do the night snorkeling with the mantas from shore; he thinks you can stay at a particular hotel and swim out from their beach. Is he imagining things or can you actually do this dive from shore? He's hoping to head over there in the next couple of weeks for it. If it's not possible, we'll hop a charter, but he asked me to check. Mahalo!