Marriott International Internships are offered throughout the year in finance and accounting; banquets/catering; culinary arts; front office; housekeeping; human resources; restaurant/room service/lounge, and sales. Fall and winter internships are 12 to 16 weeks long; Summer internships are eight to 12 weeks; sales internships are eight to 10 weeks. A group of interns is periodically chosen to attend a three-day Student Leadership Summit.
