Accor Plus members get free wifi so i am unsure of the cost. But being a local i use my phones 4G and hotspot as the speeds are much better than the hotel free wifi.
During my stay the internet connection was free of charge. I hope you enjoy your stay. Its a beutiful hotel and in a great location
we did need to use their internet as our mobile phones had sufficient internet coverage, however i recall that there may have been a nominal
Internet is free depending on your room level. I don’t use it anyway, I use my phone as a hot spot