Question 1

Where is Sunshine Aquarium - Coral Reef Ocean?

Accepted Answer

Sunshine Aquarium - Coral Reef Ocean is in Toshima, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Blue Box does Sunshine Aquarium - Coral Reef Ocean appear in?

Accepted Answer

Sunshine Aquarium - Coral Reef Ocean appears in EP5 of Blue Box.

Question 3

Can I visit Sunshine Aquarium - Coral Reef Ocean?

Accepted Answer

Yes. Sunshine Aquarium - Coral Reef Ocean is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Blue Box filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Sunshine Aquarium - Coral Reef Ocean is one of those real places (EP5).