G Spa is a day spa that was created for today’s busy, time-starved professional. G Spa is located right in the middle of Boston’s ever-fashionable Back Bay neighborhood. With two floors of unique services and exclusive beauty products, G Spa has been recognized as one of Boston's hippest beauty boutiques. You’ll feel the difference the moment you arrive at G Spa. The décor, the music, the staff. It all tells you that you’re someplace special.