For excellent spa hotels in Union Square, consider
The Hotel Chelsea,
The Dominick, or
Virgin Hotels New York City.
The Hotel Chelsea, with an outstanding 9.8 rating, offers an extensive spa experience with body wraps, body scrubs, deep tissue massage, facial treatments, aromatherapy treatments, and Thai massage. Guests can also enjoy manicures and pedicures, sports massage, hydrotherapy, and thalassotherapy treatments. The spa includes a sauna, steam room, and hot tub, ensuring a relaxing stay. It is conveniently located near The Morgan Library and Museum, just 1.3 km away.
Another superb option is The Dominick, rated 9.2. This hotel provides a full-service spa with couples treatment rooms, body scrubs, sports massage, deep tissue massage, and a sauna. You can also indulge in manicures and pedicures, facial treatments, body treatments, body wraps, Swedish massage, and hot stone massage. The spa features a steam room and is available daily. It is situated 0.3 km from Franklin Bowles Galleries.
The Virgin Hotels New York City, with an 8.8 rating, is another highly recommended choice for spa enthusiasts. Its full-service spa offers deep tissue massage, body scrubs, and a steam room. Guests can also experience couples treatment rooms, aromatherapy treatments, a Turkish bath or hammam, facial treatments, Swedish massage, and a sauna. The hotel is located 0.6 km from The Morgan Library and Museum.