Costco Wholesale on Lihue is a members-only warehouse offering a wide variety of bulk groceries, electronics, and island goods. Located near Kukui Grove, it is the only Costco on the island, making it popular and often crowded during the day. The store is clean, well-organized, and has friendly staff, providing excellent service to shoppers. Outside the store, customers can enjoy a selection of foods like chicken bakes, pizzas, and smoothies. While the store generally offers good value and quality, some items like avocados may not meet expectations, often due to storage issues that prevent proper ripening. Visitors note that the store is less crowded on weekends and during certain times, making for a more comfortable shopping experience. Besides groceries, customers can find Hawaiian goods, shirts, and island foods, along with fair prices and top-quality jewelry available through special orders. Overall, Costco is considered one of the best stores on the island for its variety, prices, and convenient location.