Complex sentence: Kahala is famous as an icon for wealth and the rich and famous in Hawai'i, and for its large concentration of expensive real estate and beachfront properties, which include some of the most expensive in the entire state.
Split into simpler sentences: Kahala is famous as an icon for wealth and the rich. It is famous in Hawai'i for its large concentration of expensive real estate and beachfront properties, which include some of the most expensive in the entire state.