Of five counties in the Rainbow State, Maui County ranks second in terms of size (2,398 square miles). Maui County is in the Maui Lanai Hawaii region. Recent listings of beachfront homes and property for sale in Hawaii's Maui County totals almost 1,000 acres and a combined market value of nearly $500,000. The most common type of land for sale by combined acreage in Maui County is residential property. The average price of beachfront acreage for sale in Maui County was $224,497.