I really don't know why this place should be "isolated" as it's just ca. 50m up the hill from the city center of Puerto Varas - also don't be confused by the low prices: the luxury of this B&B isn't in its faciliites but the originally restored German settler's rooms. Most have a private bathroom with shower or tub.
Yes the breakfast is very limited as everywhere in Chile and the contact persons don't understand any english - however we managed that they called our taxi driver in Santiago to arrange a pick-up at airport!
If you are looking for a real local experience: go here - it's worth!
(no pool or fitness, no idea why this is here to be evaluated?)