Life Is Sweeter With Duplin. Duplin Winery is the oldest and largest winery in the south. Enter an era gone by when things were both simple and fun by choosing to begin your life together with a vineyard ceremony and have your reception in our rustic chapel barn. As you walk in the front door, it is our wish that you and your guests will be totally captivated by the charm of the natural décor and relaxed atmosphere. We want your special day to be full of joy, peace, and romance. Let us help to make it perfect.