Engage with the history and hardships of those who built the Milford Road and Homer Tunnel, and the struggles of Milford's first settlers. Find out more about our Sinbad Sanctuary project - how Southern Discoveries is working to preserve and enhance our environment for generations to come and other environmental initiatives underway in the fiord. Then descend 10m underwater into a spacious viewing chamber with uninterrupted 360-degree views of a rich marine ecosystem unparalleled anywhere else in the world. It's a world of primeval creatures and exotic habitats, including rare Black Coral. Due to its unique underwater environment, Milford Sound is home to species of Black Coral usually found at depths of 500m or more, including magnificent 300-year-old coral 'trees'.