The Puerto Rico Tourism Company has a great promotion running through May 30 (travel period through the end of July). The discount is offered through the following online travel agencies:

• Cheap Caribbean
• Expedia
• Liberty Travel
• Orbitz
• Travel Impressions
• Travelocity

Also check Kayak.com for the best hotel, flight, cruise and package deals to the island. If you needed an incentive to book a summer vacation to Puerto Rico, here it is!