Scuba diving is associated with a number of health risks which pose a potential threat to life or health of a diver; the common health risk factors include exposure to high hydrostatic pressure, hypothermia and increased partial pressure of the compressed air or breathing mixtures. For this reason, it is crucial for any divers to be in good health and to be well prepared physically and mentally to scuba dive. But it is just as important for divers to follow the scuba diving health and safety regulations and observe the principles of good diving practice. The article discusses the issues relating to scuba diving safety regulations stipulated by the law, planning dive sessions, marking dive sites, organizing dive groups, depths limits, breathing mixtures, emergency procedures, the limits of effort and occupational safety for underwater work, the limits of effort and nutritional recommendations for divers.