First of all, if you're looking for a great little hang-out in Tuscany, Montecatini Terme is the place! Right on the train line between Pisa and Florence, the town is famous for its mineral waters, spa treatments, and health centers. Plus it's just a great place to relax! There's a lovely park, a funicular up to the picturesque town of Montecatini Alto on the hilltop, and it's within easy train rides to Pisa, Lucca, and Florence.
Having said that, if you go, by all means check out (and check into) the Albergo Natucci. This is a lovely family-owned business where you will be treated with all the Italian warmth and friendliness you could ever need. Vincenzo, María, and their daughter Anita run a neat, pleasant Albergo and go out of their way to make you feel right at home.
The rooms are clean, standard European-sized (not huge, but not cramped either) and comfortable. They serve an ample continental style breakfast, with a few "American" add-ons like cereal, so you can start the day all fueled up and ready to go. The rates are very reasonable and affordable, plus there's all that Italian love coming your way!
A suggestion if you arrive by train: get off at the Montecatini Centrale station, not Montecatini Terme, and you'll have a shorter walk to the hotel (just a few blocks--the town isn't all that big).
If you're going to Montecatini Terme, I highly recommend "The Big Hotel Natucci".*
*Inside joke: Vincenzo will crack you up!!
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.