The disclosure provides a novel approach to precast concrete components designed for outdoor kitchens and grill islands. By integrating Expanded Polystyrene (EPS) beads, composite fibers, and Fiber Reinforced Polymer (FRP) rebar into a concrete mix, a lightweight yet durable product is achieved. The alignment and assembly system utilizes composite pins and plates, facilitating precise and secure installation. Decorative features embedded within the concrete panels enhance aesthetic appeal. The disclosure addresses common issues related to weight, alignment, and durability, offering an improved solution for outdoor kitchen components.