The Sonne hotel is located in the picturesque center of Altstätten, easily accessible on foot, by car, or public transport. Since 2011, it has been gradually modernized and expanded with a new annex. The hotel offers 26 spacious double rooms and 7 single rooms. Its restaurant features reputable local cuisine, seasonal specialties, and a selection of wines mainly from Switzerland. On the first floor, a large banqueting hall serves as the venue for weddings, banquets, concerts, and conferences. The hall is equipped with modern infrastructure, including a large stage, HiFi equipment, lighting, Wi-Fi, and a projector. The venue is suitable for corporate events and private celebrations, with options for catering and event planning.