Atlantis is on the outskirts of Zurich, but they offer a shuttle into the city center which is really convenient - you get the quiet/privacy of being away from it all, but quick access should you want to be in the city. The pool area and spa were definite highlights. The outdoor pool is staffed and you can have food and drinks there, and the setting is really tranquil and relaxing. The spa is modern and features an indoor pool, Jacuzzi, steam and sauna amenities, so honestly it's great to spend the day just taking advantage of all these great perks.