Bull Island, located in Dublin Bay, Ireland, is a sandy island about 5 km long and 800 m wide. It emerged as a result of human intervention to combat silting in the bay. Managed by Dublin City Council, it boasts various designations like a National Bird Sanctuary and a biosphere reserve. The island is car-free and home to diverse plant and bird species, with limited mammals, reptiles, amphibians, and invertebrates. Over the years, it has evolved from a shooting range and military training ground to a popular leisure spot for locals and tourists alike.