Cascade Shell Mart 3580 Cascade Rd SW, Atlanta, GA30331 This Shell gas station offers quality gasoline at four double-sided gas pumps. Customers can save 10 cents a gallon with…More a Kroger Plus card. The convenience store has candy, chips, juice, soda, cleaning and auto supplies, cherry and raspberry Slush Puppies, a Coca-Cola fountain station and a coffee station. You can also get caps and winter hats here. Krispy Kreme doughnuts are delivered fresh daily.