If a visitor spent a month on Maui, and did something different every single day, there wouldn't be enough time to do everything. Maui will always be a "doer's" mecca! At 3DHawaii.com there are Hawaii Vacation Packages to suit everyone and help to enjoy all of the Maui Activities for yourself. From November until April the giant humpback whales spend the winter in Maui's offshore waters. They congregate here to mate and birth their young.