Review for Plainridge Park Casino Review For Slack's Oyster House & Grill Google User Nov 15 '18 at 22:14 Want to thank Greg Demarco for his professionalism taking care of a concern I had as a customer. He personally called me. Apologized on behalf of the Casino and most importantly took the information and got back to his team so that they could all improve. That’s all any customer can ask for. Bravo to Greg and his team. View full site to comment or like