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 Are there restrictions for using a Standard or Premium Merlin Annual Pass at The London Dungeon? When is the London Eye open? What is The London Dungeon? What are the London Dungeon Opening Hours? Can I change the name on my booking?