- Official name: Sumida Aquarium
- Location: Tokyo Skytree Town, 1-1-2 Oshiage, Sumida-ku, Tokyo
- Date of opening: 2012
- Timings: 9:00 AM to 8:00 PM (last entry at 7:00 PM)
- Number of visitors per year: Over 1.2 million visitors annually
- Function: An aquarium and entertainment destination
- Unique feature: "Kuroshio Sea" tank, one of the largest in the world, showcasing a beautiful coral reef ecosystem