The Wellness Floor at One Dalton

The Wellness Floor at One Dalton is Boston's only Forbes Five-Star Spa, occupying a dedicated floor of the iconic 61-story Four Seasons Hotel One Dalton Street in Back Bay. The serene retreat features five treatment suites, a couples suite with heated massage tables topped with alpaca fur blankets, eucalyptus steam rooms, rainfall showers, and a sunlit relaxation lounge with sweeping city views. A signature 64-foot curved indoor pool with underwater sound and a cutting-edge fitness center complete the offering. Treatments are developed in partnership with GROUND WELLBEING and include the Grounding Ritual, Sleep Ritual, and The Hug Ritual designed for guests with a history of cancer. Skincare treatments feature luxury lines such as 111Skin, Soveral, and EviDenS de Beauté, alongside a curated retail area offering exclusive wellness and lifestyle products.