Complex sentence: During most of those times, the Moi of Maui held dominion over Lanai even today Lanai is part of the County of Maui, but apparently the Maui leaders primarily left the people of Lanai to their own devices.
Split into simpler sentences: During most of those times, the Moi of Maui held dominion over Lanai. Even today, Lanai is part of the County of Maui, but apparently the Maui leaders primarily left the people of Lanai to their own devices.