They are really friendly and always cared about everyone on the boat. They offered wetsuit, snorkeling gear, life jacket for submarine scooter and snorkeling nearby the boat. We saw lots of colorful fish under sea and they even helped us taking pictures and video. (need to pay additional, but not enforce to buy). After scooter activity, I stayed on the boat waiting others turns and feel super sea sickness even thought I got motion sickness before departure. But I still recommend this adventure which gave us lots of fun and best memories in Oahu.!