Wyndham Vacation Rentals®, the world’s largest professionally managed vacation rental business and part of the Wyndham Worldwide family of brands (NYSE: WYN), today announced that Kaiser Realty by Wyndham Vacation Rentals® will be an official accommodations sponsor of the 2014 Hangout Music Festival in Gulf Shores, Ala. from May 16 – May 18, 2014.