Manta Rays were awe-inspiring! Everyone from Hawaii Island & Ocean Tours was great. Sam was pleasant on the phone, helping to accommodate my flight crew's last minute decision to do a night snorkel on our layover in KOA. Hunter was friendly helping us get signed up & get our gear (take advantage of the shortie wetsuit... there are fresh cold springs dumping into the bay and night snorkeling can be chilly). Captain Jon was nice and Ola was great in the water. Simple concept- get a boat, go out to the paddle board fitted with lights and rope, get a noodle, jump in and watch the show. I would have liked to watch longer, but it was pretty adequately timed out. Ola had a good deal of knowledge about the breed of fish, telling us their names and tendencies. Other boats were in the water w/ people trying to watch the manta rays, too, but Ola seemed to know how to keep the plankton stirred up near us so they wanted to hang out near us. Needless to say, we were amazed and delighted! We'll definitely tell our friends and co-workers!