National Marine Aquarium

The National Marine Aquarium in Plymouth, Devon — known as Britain's Ocean City — is the UK's premier public aquarium and a leading centre for ocean conservation education. Home to over 5,000 marine animals, the attraction features the UK's deepest aquarium habitat and the country's largest single viewing window, offering breathtaking panoramas into vast ocean habitats. Visitors explore diverse marine environments and encounter a spectacular array of sea life, with experiences including snorkelling adventures, keeper-for-a-day programmes, and ranger-led talks and demonstrations. Operated by the Ocean Conservation Trust charity, every ticket purchased directly supports vital conservation projects. Day tickets also include 12 months of free return visits, making the National Marine Aquarium exceptional value for families, school groups, and ocean lovers year-round.