Do your prices differ online to what they are on the day? Yes. Tickets purchased online in advance give a 20% saving and you are also covered by our rainy day guarantee. To pre-book your tickets please visit here. Related articles Why do prices vary depending on the time of my visit? Can I use my Tesco Clubcard for entry into SEA LIFE Weymouth? How can I use my 2-4-1/ Promotional voucher online? Do you accept promotional/discounted vouchers at SEA LIFE Weymouth? What is the Pirate Adventure Mini Golf and what's included?