Question 1

Where is Oki Island?

Accepted Answer

Oki Island is in Ōmihachiman, Shiga, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Goodbye, Lara does Oki Island appear in?

Accepted Answer

Oki Island appears in EP2 of Goodbye, Lara.

Question 3

Can I visit Oki Island?

Accepted Answer

Yes. Oki Island is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Goodbye, Lara filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Oki Island is one of those real places (EP2).