• Two viewing levels around the central tank, so kids see the animals from the surface first and then underwater
• Last entry at 7pm, an hour before closing, so arrive by mid-afternoon to see everything without rushing
• 15% off with the Lisboa Card, the city tourism pass, according to Visit Lisboa

Built around one central tank holding five million liters of saltwater, where sharks and rays glide past, with four marine habitats around it that read as part of the same aquarium.

The route runs on two levels, so kids see each habitat from the surface and then from underwater. Around 8,000 marine creatures live here, from coral reef fish to sea otters.