When is SEA LIFE London Aquarium Open? Opening times can vary throughout the year. To view current opening hours, please click here. See more and save more by combing your visit to The London Dungeon with SEA LIFE London Aquarium. For more information or to purchase tickets, click here. Related articles How does a Merlin's Magical London Pass or Combination Ticket work? How do I contact you with a guest enquiry? When is DreamWorks Tours: Shrek's Adventure! London Open? How do I redeem a 2 for 1/Promotional Voucher? What is the minimum age The London Dungeon is recommended for?