We will be in Maui for a week in July (yay second time!). We would really like to visit Kauai but don't want to spend extra money staying the night since will be paying for hotel in Maui. Has anyone ever taken a day trip there and is it worth it to fly there early morning, rent a car, and leave that night? I know that would be a long day.
Or does a day trip to Molokai make more sense time-wise and financially? What does Molokai offer similar to Kauai?