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 When is DreamWorks Tours: Shrek's Adventure! London Open? What are the London Dungeon Opening Hours? What is Booking Portal? Where is The London Dungeon? Are there restrictions for using a Merlin Pass at The London Dungeon?