Can I purchase tickets when I get to the aquarium, or do I have to order them online? Yes you can purchase tickets at the SEA LIFE Michigan location. However to guarantee entry and to save we recommend booking your tickets online HERE! Related articles How much does it cost to visit? How long does it take to go around SEA LIFE Michigan Aquarium? Do you offer a family discount on tickets? Can I change the date/time of my booking? Do you offer a senior citizen rate?