When is SEA Life Birmingham open? SEA LIFE Birmingham is open 7 days a week (except Christmas Day). For full opening and closing times for SEA LIFE Birmingham, please click here. Related articles When is LEGOLAND Discovery Centre Birmingham open? Do you offer a family discount? How long does it take to go around LEGOLAND Discovery Centre Birmingham? How do I use a Combi Ticket at LEGOLAND Discovery Centre that I purchased through SEA LIFE Birmingham?