The Leaf Sadang is a spa-style hotel directly in front of Sadang Station in Gwanak-gu, Seoul, with a private jacuzzi in each room. Guests can rest in the in-room jacuzzi while looking at the night view and use bath salts sold at reception. On check-in, classical or quiet music plays, and in winter the room heating is turned on in advance. No other bath salts may be used, only the products sold at reception.