It was my first time of scuba diving. I was at first very nervous but Sam gave me very good instructions and a lot of encouragement. I finally had a an amazing experience! Sam is a very good monitor highly recommend! 非常棒的体验,Sam是一个好教练,让第一次潜水的我克服了恐惧、有足够的信心下水。非常值得,价格公道,推荐!