Merlin Passholder Pre-book Entry | SEA LIFE London Aquarium https://www.visitsealife.com/london/tickets-prices/ways-to-visit/annual-pass-pre-book/
Planning to visit SEA LIFE London Aquarium with your Merlin Annual Pass? Pre-book your SEA LIFE Annual Pass entry now to guarantee entry.
You just add in the Pass details the same way you would a paid for Annual Pass.