Hotels with Non-smoking floor Near Union Square

Kusatsu Onsen Shiki Hotel is a top choice, just a 5-minute walk from Union Square. Its rooms feature private hot springs and traditional Japanese garden views, plus complimentary shuttle service to the main onsen area. The hotel offers a kids' playroom and authentic kaiseki dining. For best availability, book via the HopeGoo app.

Hoshino Resorts Kusatsu Onsen is just a 3-minute walk from Union Square, with a 24-hour free shuttle to the Kusatsu Onsen Center (8 minutes). The hotel blends modern architecture with traditional Japanese aesthetics, featuring heated flooring and natural mineral baths in every room. All accommodations offer serene garden views, making it perfect for travelers seeking both convenience and tranquility.

Kusatsu Art Museum Hotel stands out as a rare fusion of art and lodging, housed in a repurposed warehouse. Its lobby features rotating exhibitions by contemporary Japanese artists, while guest rooms are centered around interactive light installations. Floor-to-ceiling windows frame views of Union Square’s green plaza and century-old trees—ideal for photography. The rooftop café, illuminated with seasonal light art, creates a dreamlike atmosphere after dark.