Do you offer a family discount? We do not offer a family discount. Children aged 2-17 receive a discount, and children under 2 are free! Related articles How do I redeem a voucher at SEA LIFE Manchester? How do I redeem my Kellogg's voucher online? What is a Standard Entry ticket? Do you accept Blue Peter Badges for entry into SEA LIFE Centre Manchester? Can I buy tickets online for the same day?