Quiznos is located in Lihue, Kauai. Quiznos is inside the Kukui Grove Shopping Center. Quiznos fast food restaurants offer a wide variety of sub sandwiches made to your specifications. Quiznos subs are made of only the freshest ingredients to please each and every customer. Come and visit one of our Quiznos locations on the island of Kauai. Quiznos is located in Lihue in the Kukui Grove Shopping Center.