The estate is located in the municipality of Illmitz in the Burgenland wine-growing region Lake Neusiedl
(Austria). A guest house is connected. Social programs for the festival in Mörbisch and Margarethen or a day with a carriage ride in the Neusiedlersee National Park are also organized. The trained mechanical engineer Willi Opitz started his wine-making career in 1995 and is considered one of the best advertisers for Austrian wine abroad. Innovative and unusual marketing activities are carried out again and again. On November 4, 1996 (US election day) a sweet wine was read and “Mr. President "called. A box of them was sent to the White House, Clinton returned the favor with a thank you letter, and personally visited the winery in 2001. "McLaren" was vinified for the Formula I racing team during a visit to the winery by McLaren-Mercedes racing team manager Ron Dennis and for the English airline the "British Airways 1st Class". And in the famous London department stores "Harrod's" and "Fortnum & Mason" the CD "Sound of Wine" is available in the wine department (in addition to Opitz wines), on which the bubbling of the fermenting Opitz wines can be heard.
The vineyards cover 17 hectares of vineyards. The most important types of white wine are Pinot Gris, Pinot Blanc and Welschriesling, and for dessert wines Muskat-Ottonel, Gewürztraminer and Scheurebe. The most important red wine variety is Pinot Noir, from which the entire spectrum of dry red wines, rosé and sparkling wine, dry berry selection and vinegar is produced. The other types of red wine are Zweigelt, St. Laurent and Blaufränkisch
. A specialty of the house is the white and red reed wines named “Schilfmandl”, which are named after a self-developed process. The flagship of the house is the Zweigelt straw wine "Opitz One", which is based on the famous Opus One
was named in California; a special bottling of it is "Mr. President ". Around 75,000 bottles of wine are produced annually, of which one third each are white, red and dessert wines. The “Rohrwolf Tresterbrand” from Pinot Noir ice wine is also produced. The products are exported to many European countries, as well as China, Japan, Malaysia, USA, Canada and South America. For the 10th anniversary of the company, the export award of the Austrian economy was awarded as the first winery in 2005.