How can I buy tickets for SEA LIFE London Aquarium? You can purchase tickets online through the SEA LIFE London Aquarium website. Please note: Anyone wishing to visit will need to pre-book a ticket in advance. To purchase your tickets, click here. Related articles What is an Any Time Ticket? What is included in my ticket? How do I contact you with a guest enquiry? Do I need to pre-book entry with my Merlin Pass? Do you offer any concessionary rates?