Lake City is a city in the U.S. state of Michigan. Known as the "Christmas Tree Capital", it is the county seat of Missaukee County. According to the United States Census Bureau, the city has a total area of 1.1 square miles 2.8 square kilometers, all land. Lake City derives its name from the three inland lakes in or at the edge of the town, which are Lake Missaukee, Lake Sapphire and Crooked Lake. Each is less than a mile from the other.