Purpose The purpose of this study is to find effective skin scuba activation factors and to provide basic data that extend the scope of research related to skin scuba. Methods Delphi method was used and the experts were categorized by experts to analyze the results. The questionnaires collected through the 2nd and 3rd delphi surveys were SPSS win ver. 22.0 and Microsoft Office Excel 2013 to calculate mean, standard deviation, median, and coefficient of variation. The concrete conclusions are as follows. Conclusions First, in terms of organization sub-factor, fostering sports-for-all participants and college club came out to be very effective and followed by cooperation system with Ministry of Public Safety and Security and Ministry of Oceans and Fisheries, strengthening cooperation and exchange with other education organizations, initializing new scuba diving education organization management and inspection institution and establishing scuba diving education organization. Second, in terms of facility/equipment sub-factor, factors that cause most effectiveness came out as expanding scuba-diving installation, developing connection system with medical department, enlarging indoor-diving education facilities, improving scuba diving equipment, consecutively. Third, in terms of leader sub-factor, training instructor through leader personality education and verification came out to be the most effective, followed by objectifying professional education institution leader training system, improving leader treatment. Fourth, in terms of program sub-factor, it is found that safety education program as the most effective factor, coming next with environment education/professional manpower training program, developing various programs, lastly, inventing insurance product. Fifth, in terms of advertisement sub-factor, as in order of guiding publics to change their view towards scuba-diving, expanding scuba-diving related events and establishing advertisement system had its effectiveness. Sixth, in terms of policy sub-factor, establishing cooperation system among administration departments came out to be most effective and then improving related law-system.