Homepage | Circle K Circle K is a convenience store chain offering a wide variety of products for people on the go. If you are looking for a great cup of coffee, a cold beverage, a Polar Pop cup, a Froster drink, or fresh food to go, we are the place to visit. We have premium quality fuels and excellent car washes. If you need public restrooms or an ATM, please stop by. Our fast and friendly team is always happy to serve you!