Fontaine is the fifth map region ruled by the Hydro Archon in Genshin Impact. See its Interactive Map, how to get there, its puzzles, regional features, characters, quests, and all known info about it here!
How to Get to Fontaine
Finish Prologue: Act 3 First to Unlock Fontaine
The teleport waypoint by the Aquabus unlocks automatically once you’ve completed The Song of the Dragon and Freedom. It’s the minimum requirement for unlocking Fontaine.
Take the Aquabus to Get to Fontaine
After updating to Version 4.0, you can get to the city of Fontaine by boarding the Aquabus in Romaritime Harbor. The aquabus’ closest teleport waypoint is located near the border of Fontaine and Sumeru, and should automatically unlock once you’ve finished Prologue: Act 3.