You will have the opportunity to enroll in scuba diving schools that can be found in different places in your state. Scuba diving is not only a serious hobby for individuals but also an occupation for some. It is not something that you can teach yourself alone but you need an aid coming from the experienced people in scuba diving. Typically, it varies on the kind of service they have and on the number of vacationers. You can choose from either signing up for an escorted group or plan the trip by yourself. There are also travel agents who are willing to render their service before you. They can help you and inform you regarding the diving packages that are catered by the resort. The water current can give you the opportunity to dive within 15 feet from reefs up to diving 200 feet on sea mounds without getting swept by. The largest of Bay Islands is Roatan which is about 42 miles long and 2 miles wide. Roatan s northern and southern reefs is home of about 40 dive sites that can give both beginners and professional divers the chance to explore the plummeting walls, caverns, and crevices. Mostly, professional divers use standard air that is composed of 21% Oxygen and 79% Nitrogen for the open circuit sets. Open circuit sets is cheaper than any other kinds while in close circuit types you re equipped with rebreathers. In rebreathers, your exhaled air is reprocessed to make it fit again for re-inhalation. If you want to certify open water divers, advanced open water divers, rescue divers and dive masters, you need to go through another kind of training, which is the open water dive instructor course. An open water dive instructor s responsibility is to teach people who want to learn how to dive and certify them as an open water diver. When you are planning to have your scuba diving vacation in Hawaii, you have you have to ask yourselves first with the following questions: How many days are you going to spend your vacation? How much is your budget for the scuba diving vacation? Does the resort provide for emergency equipment if unavoidable accidents occur?