Question 1

Where is Marine station "Naoshima"?

Accepted Answer

Marine station "Naoshima" is in Naoshima, Kagawa Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Summer Pockets does Marine station "Naoshima" appear in?

Accepted Answer

Marine station "Naoshima" appears in EP1 of Summer Pockets.

Question 3

Can I visit Marine station "Naoshima"?

Accepted Answer

Yes. Marine station "Naoshima" is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Summer Pockets filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Marine station "Naoshima" is one of those real places (EP1).