D4 Irish Pub & Cafe is an upscale, cozy restaurant located in the heart of Streeterville, Chicago. D4 has been bringing a little Irish flair to the neighborhood since 2007. They are known for their delicious food that includes a mix of both American and Irish dishes. You can be sure to find a large variety of draft and bottled beer, cocktails, and spirits readily available at their beautiful, hand-crafted bar.