Scuba diving is one of the greatest leisure and professional hobbies that includes diving into open water in order to explore under the surface or to perform a professional assignment. With the proper equipment, the experience is enhanced. It is estimated that Ireland has about 30,000 castles in all. Some, like Ashford Castle and the Rock of Cashel, are massive fortifications and tower houses, while others, like many of the castles in Dublin, are modest. No matter what their size, they're all incredible places to visit. The choice of the best type of diving depends on your needs and preferences. There are two main types of diving: shallow-water diving and deep-water diving. Shallow-water diving can be done from a boat or shoreline, while deep-water diving requires special equipment that allows you to dive into waters where the depth exceeds 10 meters (33 feet). The most popular forms of shallow-water diving are snorkeling and swimming. These activities can be done anywhere there are warm waters and no strong currents. They are easy to learn and allow you to see beautiful underwater sights that would otherwise be inaccessible. Swimming also helps you keep fit and healthy. Deep-water diving is limited only by your stamina and courage because the risk of dying is high. However, it is an amazing experience that not everyone should miss out on! Diving can be done at any time of year but some people prefer to do it during warmer months when the water isn't too cold.