Plymouth, Devon, UK - August 3rd 2019: National Marine Aquarium, Plymouth, UK. Bright sunny day, day time photo.

Scott Jenkin/Getty

National Marine Aquarium

Top choice in Plymouth

The UK's biggest – and perhaps best – aquarium is lodged beside the Barbican harbour. There's a huge amount to see, but the highlight is the impressive Atlantic Ocean tank, the deepest in the UK, with over 2 million litres of water and a population of sand tiger sharks, lemon sharks, barracuda and rays, as well as a replica of a WWII Walrus Seaplane. Other zones explore the Great Barrier Reef, and local habitats including Eddystone Reef and Plymouth Sound.

Tickets are 10% cheaper if you buy in advance online, and remain valid for a year's entry.

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