Overall, Marathon Souvlaki is described as a reliable casual Greek spot with generous portions, good value, and consistently tasty dishes like calamari, chicken souvlaki, pork gyro, and the signature Marathon salad, with frequent praise for fast service and friendly staff. The dining options work well for both takeout and sit-down meals, and many reviews highlight the lively, busy atmosphere that makes it a popular go-to, especially in the West Island locations. While the food is largely celebrated, there are occasional critiques about busy or noisy hours, occasional slower or uneven service, and rare notes about changes in portion size or other quirks such as charges for sauces or being asked to wrap up after paying. Still, these are outweighed by repeated recommendations and the sense that Marathon Souvlaki offers dependable, flavorful Greek fare at generous portions and reasonable prices, making it a staple for regulars and newcomers alike.View restaurant profile