Sumida Aquarium

A small but wonderful aquarium! Located under Tokyo Tower, you can spend the whole day watching fish, penguins, and jellyfish swimming around. It's incredibly soothing for the soul. Although the aquarium isn't large, the zones are well-organized, and there are plenty of seating areas to enjoy the view. You can get up close to the penguins, and the jellyfish exhibit features many rare species, some of which are almost invisible to the naked eye. During my visit, I got to see a seal health check—it was so tame and obedient, responding to every command! 🦭 After exiting, there's a souvenir shop where you can find adorable and high-quality pins. Highly recommended to grab one as a keepsake!