There are many tourist destinations like the scuba resorts that are well known to people. Thailand is offering the best scuba diving resorts that have special instructors for people having great passion for scuba diving. The instructors are there to give guidance to the divers and enhance their skills more. The dive master can also certify those who want to learn scuba diving. However, they can only certify an introductory dive certificate and not as an open water diver. 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. For instance, you need to know about underwater pressure and how to cope with it. The pressure itself can be dangerous if you don t know how to equalize. It can lead to discomfort in the ear and sometimes may relatively cause injuries in your ear drum. You should also know about the air you breathe if it is under pressure. 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. Roatan also features some of the best shore diving sites that include the famed Spooky Channel. Grand Cayman has a lot of dive sites with different certification requirements. This means that you have a lot of choices on where to dive but a particular dive site will require a minimum certification level to ensure your safety. For example, if you are certified as an open water diver, you are only allowed to dive in dive sites that have a minimum requirement of open water diver. Learn to Dive by Taking Proper Scuba Diving Instruction Scuba diving is one the most popular recreational activity in the world. It can also be one of the most rewarding careers if you want to turn professional in scuba diving. However, people prefer scuba diving as a recreational activity. The underwater world provides unique wild life that can really excite people.