Circle K at 1001 Lk St Louis Blvd, Lake Saint Louis, MO, US is a convenience store and gas station 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, we are the place to visit. We have premium quality fuels and an excellent car wash. If you need an ATM, please stop by. Our fast and friendly team is always happy to serve you!