Adding a BBQ sink to your outdoor kitchen might just be one of the most important accessories to add. Think about it, have you ever seen an indoor kitchen without a sink? The same goes for your BBQ Island. You'll need a place to wash, clean and prepare your food while your barbecue grill is preheating. The Summerset Grills SSNK-19U is a beautiful 18-gauge single bowl outdoor-rated 23-inch x 18-inch stainless steel undermount sink that features thick stainless steel construction, hot and cold water faucet and drain strainer and stopper.