What Is Skin Diving?
The term "skin diving" refers to breath-hold diving, and only requires a mask, snorkel, fins, and possibly a wetsuit and weight belt. The length of time you can spend underwater is limited to the time you can safely hold your breath.
Many scuba divers become more interested in skin diving as they gain experience. Two reasons for its popularity are simplicity and silence. Skin divers wear very little gear, and there are no loud bubbles to scare fish away.