Our 7 and 11yo girls loved night snorkeling with manta rays! At first, were a little apprehensive, as even the adults were. But Eli made them very comfortable, answering all their questions and giving them factoids about the species and personal identification features of particular mantas we encountered. They came so close! Brushing against our elbows (hands on the board and feet up, so no touching) as they glided up to eat plankton swimming in the light of our board. It was truly an amazing experience; I may now have a couple of marine biologists in the making! Thanks, Hawaii Island and Ocean Tours.