What are the opening hours of Gardaland SEA LIFE Aquarium? Gardaland SEA LIFE Aquarium follows the following opening hours and calendar. No reservation is required. Was this article helpful? Related articles How long does the visit last? Is it possible to skip the entrance line if I purchased the ticket online? Is the Aquarium open even when it rains? Where can you park? Are Gardaland Hotel, Gardaland Adventure Hotel and Gardaland Magic Hotel located inside or outside Gardaland Park?