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? Do you offer any concessionary rates? How do I contact you with a guest enquiry? Do I need to pre-book entry with my Merlin Pass?