Since 1983 the restaurant on the 20th floor of One State Street, has had a singular mission; to host the finest dining establishment possible. ON20 has been a recipient of many awards, complimentary reviews and accolades. In addition to offering guests an exceptional experience for lunch and dinner, ON20 has been the venue of choice for staging private functions ranging from company holiday parties to private intimate anniversary dinners; some hosting celebrities and political figures. Beyond the doors of the restaurant, ON20 has been a consistent contributor to a plethora of charitable organizations, and a consistent supporter of local farmers and vendors. Our Main Dining Room can accommodates 80 guests for round table seating and 175 guests for cocktail reception with approximately 2610 square footage.