Hotel Restaurant Müllner is a family-run establishment located in Marz, near Mattersburg. It features comfortably furnished rooms equipped with cable TV, a desk, and private bathrooms with free toiletries. The on-site restaurant offers typical Austrian cuisine and a varied selection of local wines, making it a popular choice for both tourists and business guests. Guests also have access to a fitness centre. The hotel's central location allows easy access to nearby attractions such as Burg Forchtenstein, Eisenstadt, and Neusiedler See.
Guests have praised Hotel Restaurant Müllner for its friendly staff, spacious and comfortable rooms, and the quality of the breakfast buffet. The hotel's restaurant is also noted for its good food and convenient on-site dining options. However, some reviews mention occasional noise issues and room allocation concerns during events. Despite these minor drawbacks, the hotel's overall positive atmosphere and amenities make it a recommended place to stay for those visiting the region.