This book informs proponents and opponents of saltwater salmon aquaculture of the current state of closed-containment technologies to restrict and control interactions between farmed fish and the external aquatic environment. In addition to an introductory chapter, there are six chapters written by renowned experts, including a review of past experiences and 42 case studies from around the world, reviews of biological and animal health requirements for commercial-scale rearing of salmon, a review of engineering designs for floating systems and a review of the five types of production system available for rearing of Atlantic salmon.