One of Japan’s largest aquariums, located in Osaka Bay. Featuring over 600 marine species — including whale sharks, manta rays, otters, penguins, and jellyfish — it offers an immersive journey through the ecosystems of the “Ring of Fire.” Its iconic centerpiece is a massive central tank visible across multiple floors.

💴 Admission: ¥2,700 per adult.

🎯 Touristy?: Very touristy. A must-see attraction in Osaka, especially popular with families, couples, and international visitors.