The Pearson 303 has a spacious and comfortable interior for a 30-foot boat. It can sleep up to six people in two cabins and the saloon. The forward cabin has a large V-berth and a bureau, the saloon has two settees that can be used as berths, and the aft cabin has a quarter berth that can also serve as a navigation station. The head compartment is located to starboard, opposite the galley, which has a two-burner stove, a sink, and a large icebox.