Interval International's vacation exchange network includes more than 2,400 resorts and nearly 2 million member families worldwide. The company has been at the forefront of the timeshare industry, maintaining the highest standards of excellence, since 1976. Interval provides its members — vacation owners from around the world — with comprehensive exchange services and a variety of other exciting benefits that offer value and convenience at home and on the road. Membership is limited to owners at Interval-affiliated resorts. And while the properties are not owned or managed by Interval International, they all must meet Interval's criteria for quality.