Collection O Diamond House Khaosan has a shared lounge, terrace, a restaurant and bar in Bangkok. Featuring a garden, the 3-star hotel has air-conditioned rooms with free WiFi, each with a private bathroom. The hotel has a hot tub and room service. At the hotel, rooms have a desk. The rooms at Collection O Diamond House Khaosan come with a seating area and a flat-screen TV with satellite channels. Speaking English and Thai, staff are always on hand to help at the 24-hour front desk. Popular points of interest near the accommodation include Khao San Road, Bangkok National Museum and Wat Saket. Don Mueang International Airport is 16 miles from the property.