Tranquility Den is a spa for massage and relaxation in Princeton, NJ. We provide a sensory experience that helps our clients escape from the stress of everyday life, find peace and calm and get relief from emotional and physical pain. Our treatments are customized to fit our guests’ individual preferences. We offer many different styles of massage, such as Swedish, Hot Stone and Deep Tissue. Our signature treatment, the Den massage, is ideal for couples, spa parties and corporate events. What makes Tranquility Den special is our unique, beautiful ambiance and our commitment to providing you with an exceptional experience.