- Remember that tropical reef biodiversity is similar to a tropical jungle. The only difference though is that when you are exploring the world underwater, your gear is rendered weightless. Scuba diving underwater trips is exciting and you can select from different possible trips underwater - Decide what you wanted to explore or view underwater. Divers who are only using their hands in swimming sometimes grasp for breath especially for very long distance. Important features of fins are pockets suited for your feet and two blades for propulsion. Scuba tanks This is where you store enough air for your breathing. The air capacity of the tank will depend on its size and pressure rating. Here are some of the features in some of the scuba diving resorts in Thailand: It has volley of beaches that attracts the divers throughout the year. 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. 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. Spooky Channel is a streambed that forms a cut all the way through the reef. If you want to dive these places, you have to undergo scuba diving instructions and get yourself certified as a scuba diver. You can get certified by diving instructors that can be found in your local dive center. An instructor will teach all about things related to scuba diving. He or she will teach you how to deal with problematic situations that may occur underwater, such as low on air situation, out of air situation, unable to equalize, and also gear problems, such as a free flowing regulator. 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. Diving sites are advisable for intermediate and advanced divers.