Striving to make every dive accident- and injury-free. DAN's vision is to be the most recognized and trusted organization worldwide in the fields of dive safety and emergency services, health, research and education by its members, instructors, supporters and the recreational diving community at large.

DAN helps divers in need of medical emergency assistance and promotes dive safety through research, education, products and services. DAN exists to provide expert medical information for the benefit of the diving public. DAN's historical and primary function is to provide timely information and assistance for underwater diving injuries, to work to prevent injuries and to promote dive safety. DAN also promotes and supports underwater dive research and education, particularly as it relates to the improvement of dive safety, medical treatment and first aid. Finally, DAN strives to provide the most accurate, up-to-date and unbiased information on issues of common concern to the diving public, primarily — but not exclusively — for dive safety.