Mā’alaea is a census-designated place (CDP) in Maui County, Hawai’i, United States. The population was 352 at the 2010 census. Mā’alaea is the site of a small boat harbor, as well as the Maui Ocean Center.

According to the United States Census Bureau, the CDP has a total area of 7.8 square miles (20.1 km2), of which 5.4 square miles (14.1 km2) is land and 2.3 square miles (6.0 km2), or 29.99%, is water.