The biggest challenge for new divers is undoubtedly getting over their fear of the unknown. Breathing underwater can be scary for some people at first. For many people, diving is something that they have never done before and it can be quite daunting. It is important to remember that everyone has to start somewhere and that the instructors are there to help you every step of the way. Once you have conquered your fears, diving is an extremely rewarding and enjoyable experience.