You probably know that there is invisible island north of Enkanomiya and if you have trouble finding it, we will help you by discussing that topic in this article.
How To Get To Enkanomiya Invisible Island – Genshin Impact
We start at the northernmost point of Dainichi Mikoshi, here climb the root of the tree and jump, head to the island in front of you.
Fly to the island in front of you and, continue in a northeast direction.
You will then come across a small island. Jump on it and from here head to the blue round portal that will take you to the invisible island.
When you arrive, you will see the inscriptions Vishap Research Lab.
Knowing where this island is will be useful since you will need to look for the third key sigil on this island later. Also, it will be associated with other future tasks.