The island known for its volcanoes and unique ecosystems in the Caribbean is Montserrat. This British Overseas Territory is famous for its active volcano, Sulphur Springs, which last erupted in the 1990s, leading to significant changes in the landscape and population. Montserrat offers diverse habitats, including rainforests and coral reefs, making it a haven for nature enthusiasts and researchers. The island's rich cultural heritage and dramatic scenery provide a fascinating experience for visitors seeking adventure and exploration.