Question 1

Where is Blue Turtle?

Accepted Answer

Blue Turtle is in Miyakojima, Okinawa, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Lycoris Recoil does Blue Turtle appear in?

Accepted Answer

Blue Turtle appears in EP13 of Lycoris Recoil.

Question 3

Can I visit Blue Turtle?

Accepted Answer

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

Question 4

Where was Lycoris Recoil filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Blue Turtle is one of those real places (EP13).