O Mandarin – Hicksville brings the bold, authentic flavors of Beijing and Hunan cuisine to the heart of Long Island. Known for our expertly roasted Peking Duck, handcrafted dishes, and freshly prepared dim sum, we offer a refined dining experience rooted in tradition. Our elegant space includes a private party room perfect for special events, and we proudly provide Chinese food catering across the Long Island area. Whether you're dining in or hosting a celebration, O Mandarin delivers the very best in regional Chinese cuisine with warm, attentive service.