Key Food Supermarkets is a well-stocked and conveniently located supermarket in Rego Park, Queens. The store recently underwent a renovation, making the checkout process more efficient. Customers appreciate the helpful staff, who are always willing to assist with bagging and carrying groceries to their cars. The supermarket offers a wide variety of products, including many Russian and other international foods, reflecting the diversity of the neighborhood. The fish department is also a highlight, with a full selection of fresh seafood. While the store is generally well-organized and clean, there have been some complaints about the deli department. Customers have experienced issues with the deli slicer, leading to inconsistent quality of cold cuts. The management is encouraged to address this problem by ensuring the equipment is well-maintained and staffed by experienced personnel. Overall, Key Food Supermarkets is a good option for grocery shopping in the area, with a wide selection and friendly service. However, there is room for improvement, particularly in the deli department, to elevate the store to a truly great shopping experience.