Enjoy a guided tour of our WWII vintage submarine HMS Alliance, step on board the fully restored Holland 1 (from 1901) and see inside X24, the only surviving WWII midget submarine. Command your own submarine and discover the power of the ocean and the secrets of the deep in our interactive zone, or re-live life under the sea in our History Galleries, which contain the personal belongings of submariners and a fascinating collection of photographs, artefacts and archive material.
Last tour of HMS Alliance 1 hour before closing.