You need to have diving expertise if you wanted to dive in freezing cold water or diving deeper on a reef with lower visibility - Purchase a diving insurance or a travel insurance to ensure that you are protected if ever you encountered accidents during your scuba diving trips. - Learn airline restrictions regarding scuba diving equipment and weight limits. Most of the good resorts found in Thailand are also rendering certification program upon completion of the training that are also given to vacationers who are interested to go for scuba diving classes. Scuba diving in Thailand considers both the beginners and the expert divers. In fact, they have several special programs that can be enjoyed by any of the vacationers. He or she will be the one taking the responsibility to guide and ensure the safety of recreational divers. Before you become a dive master, you should first be certified as open water, advanced open water, and as a rescue diver. A certification agency will also specify a minimum number of dives in order to be qualified to be included in the course. You should get your wetsuits and drysuits that can provide the needed thermal insulation and can avoid complications like hypothermia. Always remember that the water is conducting heat 25 times faster than the air from your body. Scuba Sets: There are two kinds of scuba sets and these are open-circuit and closed circuit. Recently, Utila became the home of whale sharks which is the world s largest fish. Don t you worry whale sharks are harmless as you can swim alongside the fish. You can also be lucky to have the chance to swim and dive with dolphins. The best months to see these creatures are from March to May. Getting to Bay Islands is very accessible. - Maui Island has dive sites that include Molokini, Black Rock and Five Caves located off the west costs. It is open for all divers levels. - Kauai Island also known as Garden Island is good for rugged and pristine diving however it is inaccessible during winter. - Ni ihau Island is the haven of gigantic sea arches, large pelagic fish, endangered monk seal and other rare fish species.