Atlantic Superstore Summerside PEI weekly PDF flyer for Granville Street 535 Granville St, Summerside, Prince Edward Island store.So many choices of quality food like meats,bread,dairy,to late night snacks like chips, pop, anything you crave to eat here is a great cheep place that is hard to beat so go to this one stop and shop for all your family no matter what age grab a flyer then turn the page you will love this place no matter of your age.Much better produce and meat than Walmart.. Nice to get good price on the island