The sugary white sand beaches and colorful tropical flora certainly offer a serene feeling of paradise, but there's much more to Hawaii than lounging on the beach.

From boat tours and flights in helicopters to volcano treks and rafting, there are tours in Hawaii to suit anyone's interests. We asked an expert panel to nominate their top picks for the best tour companies in the Aloha State, then readers voted for their favorites. Here are the 10 best tour companies in Hawaii.