A large recreational powerboat has a forward passenger area, a helm, and a rearward passenger area. A top deck covers the forward passenger area and extends upwardly over the helm. The rearward passenger area is exposed. A large skylight window is formed streamlined with the boat and is imposed into the top deck. The window extends upwardly and forward to the helm, thereby having portions functioning as a windshield for the boat. The windshield and the skylight window transmit abundant natural light to an atrium room that is located between the helm and the forward passenger area cabin rooms. Individuals in the atrium room are shielded from the elements but at the same time can view the outside environment and communicate with people outside of the forward passenger area.