It has the vibrant blue beaches that are particularly apparent during the winter season. This makes people more engrossed with scuba diving even during winter. The wonders in Thailand can be visible in the underworld. Your exploration will not be limited on the corners of Thailand but beneath water the water as well. A simple way top put it is the deeper the dive is the lesser the oxygen and nitrogen and the more there will be helium in the mixture. Helium is used because it is less narcotic than nitrogen and you can dive deeper without worrying about oxygen toxicity. This is because you lessen the oxygen and nitrogen content in the mix and are replaced by helium. 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. However, if you are certified as an advanced open water diver, you can dive at dive sites that have a minimum certification level of open water and advanced open water. 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 fins that are available in the market today are adjustable strap and full foot fins. Adjustable strap fins have foot pockets that are open at the back and are equipped with adjustable heel straps while the full foot fins have foot pockets encloses the heel. Most scuba divers prefer adjustable fins because then can be worn with wet suit boots and most high powered models of fins are available in adjustable strap fins. Caribbean Adventure Scuba Diving If you re searching total tranquility for scuba diving adventure in a tropical paradise, Bay Islands is the one for you. Bay Islands is located along the coasts of Belize and Honduras situated in western Caribbean. With its picture perfect scenery that includes palm trees, smooth white beaches, and clear blue water, truly Bay Islands is a world wonder.