Marugen Ramen is a ramen shop in Okinawa that serves shio ramen, tantanmen, gyoza, and fried rice together. The shio ramen is clean and savory, and the tantanmen can be eaten with added spicy sauce. At the self ticket machine in front of the shop, enter the number of people and take a numbered ticket, then sit down and order at the table kiosk. Wait times get long during peak hours.