Since 1976 International Student Tours, Inc has been the undisputed leader in student travel, taking over 500,000 young adults to some of the world’s most popular resort destinations. IST Spring Break offers six amazing trips to six memorable destinations such as Hawaii, Puerto Rico, The Bahamas, and Cabo San Lucas. IST Spring Break is the official collage spring break trip company. Traveling with IST Spring Break means you’re traveling with the best!