Question 1

Where is Kawana Kumin Hall?

Accepted Answer

Kawana Kumin Hall is in Ito, Shizuoka Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Grand Blue Dreaming does Kawana Kumin Hall appear in?

Accepted Answer

Kawana Kumin Hall appears in EP1 of Grand Blue Dreaming.

Question 3

Can I visit Kawana Kumin Hall?

Accepted Answer

Yes. Kawana Kumin Hall is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Grand Blue Dreaming filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Kawana Kumin Hall is one of those real places (EP1).