Deal Bonus: And receive a £5 Amazon gift voucher - perfect for gifting! When: Valid for stays on selected dates until 31st Mar 2023. Where: Plymouth. Hotels: Stay in one of a selection of fabulous 3* hotels in Plymouth - or upgrade for a 4*. National Marine Aquarium: Visit the biggest aquarium in the UK and discover, sharks, turtles, clownfish, jellyfish and so much more. What's included: A one-night break with National Marine Aquarium tickets. Plymouth Hotel & Aquarium Tickets | Living Social