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 long are queues into The London Dungeon? When is Madame Tussauds London open? What are your Christmas Opening Times?