Cavern Diving in UtilaThe SSI Cavern & Cenote Diving course will engage you to dive deeper into the cavern zones. With the cavern diving course, you will engage in a new way to dive, like to learn proper cave buoyancy and propulsion skills along with line laying and light usage. Whats the difference between a Cave and a Cavern in scuba diving? A Cavern is this zone where you can still see the light from outside, so if at least, you can see the light at the entrance while