Best of Boston

If you book an appointment at this oasis—and trust us, you should—make it early in the day. Why? Let’s just say you won’t be keen to rush back to reality after whatever sublime treatment you choose, from aromatherapy massages to detoxifying body wraps. Thanks to unwavering hospitality and top-of-the-line amenities, including a deliciously warm plunge pool, a quartz-crystal steam room, and a luxurious relaxation lounge, you’ll want to stay all afternoon.