Mandarin Oriental, Bangkok is a legendary hotel situated on the banks of the Chao Phraya River in Silom. It offers smoke-free rooms that are beautifully decorated and equipped with luxurious amenities. The hotel boasts a range of dining options, including several award-winning restaurants. Guests can also enjoy a spa, fitness center, and outdoor swimming pool. With its impeccable service and iconic riverside location, Mandarin Oriental, Bangkok is a top choice for travelers looking for smoke-free accommodation in Silom.