How to get to the location? (Final Fantasy 15)

On this island can only be reached in the story. In the last Chapter.

Eshtan
How?I went through the whole game,left Toko some pobochki

I understand it is called Engelhard,I had Toko cutscene that I "can't get there because you must first get download the film blessing blah blah" something like that,but after Altiii cannot return to these areas,not once in the past,and now in Chapter 15 (free play) swimming up there,the boat just turns. Of course I through ansel I was able to fly out there and see a circle spaced arms and the entrance to the cave,but it is unclear how and when to get there,YouTube is not found,Toko download the film glitch and hacks

On this island wakes up Noctis in the last Chapter. There is more impossible to get.
In DLS Comrades there is a mission on this island.

Eshtan
I wonder what kind of bug he zayuzat to get

SkyraX
Then the person on the Chocobo made it and its not kicking, but the practical use in this.