Costco Gas Station is a membership-based fuel center selling Top Tier rated Kirkland Signature gasoline. It is conveniently located near the airport, ideal for filling rental cars. It offers the best price on the island, much lower than other nearby stations. The station is good-sized with plenty of pumps for quick entry and exit, though lines can vary. The surrounding areas were recently remodeled to better handle traffic. It provides the finest quality products at the best possible price.