Saturnia Terme resort is a five star hotel: so it has everything you may want.
Lanscape is fantastic and terme are good, spa massages and treatment are excellent.
Staff is polite all around (more or less).
But (and thi is my personal opinion) luxury is this?
You loos all the flavour of beeing look after in a persona qay, everything is standardize, details are absolutely standard, an even politeness of staff sounds just standard rooutine.
To me (but only to me) you loose feeling to be "cuddle" which is important at a Terme/Spa resort.
All around nothing bad, everything was exactely in place in the right place.