When is SEALIFE Melbourne Aquarium open? Generally we are open every day between 9.00am and 6.00pm with our last admission at 5.00pm. For full details of our current hours please click here Related articles If I arrive at last entry will I still have enough time to view the whole attraction? How can I contact Customer Services? Do I get a discount by booking online? Do you offer a discount for schools? How do I get to SEA LIFE Melbourne Aquarium?