Modest American eatery in the DoubleTree by Hilton Lisle Naperville. Enjoy fine dining and scenic views from our award-winning restaurant. Thirty o Three's menu uses the freshest ingredients to create richly flavored American cuisine with an eclectic twist. Our extensive wine menu features the finest selections from around the world and the inviting, sophisticated setting is ideal for a business lunch or a romantic dinner for two. Serving breakfast, lunch, and dinner daily, Thirty 0 Three Restaurant is renowned for a mouth-watering Friday Night Seafood and Prime Rib Buffet as well as an award-winning Sunday Champagne Brunch.