The value of all land and rural real estate for sale in Hawaii's Maui County recently was nearly $1 billion, representing a combined 6,274 acres of land for sale in Maui County. Maui County ranks second based on the combined acreage of land for sale of the five counties in the Pineapple State. Of all farms and rural real estate for sale in Maui County, Lahaina featured the most land for sale. Maui County is one of the ten largest counties in Hawaii (2,398 square miles, or some 100 percent of the state's total land area). It's located in the Maui Lanai Hawaii region of the state.