Casey's in Seneca is a staple gas station and convenience store offering quality fuels, groceries, and household essentials. It is known for its great pizza featuring made-from-scratch dough, real mozzarella cheese, and fresh toppings, alongside appetizers and sweet treats. The staff is described as great, friendly, and providing great service, with the location being peaceful and calm. Some reviews note inconsistencies with food quality and higher product prices compared to town averages. Parking is available, though space is limited. The business is appreciated for its community support and is open late.