Major attractions include Old San Juan, the Bacardi Rum Tour for rum connoisseurs and the gigantic Arecibo radio telescope.
Traveling to San Juan, P.R. either as a port of call or a point of departure for a southern cruise can determine what a visitor is able to experience in this very historical city.

Two tours of Old San Juan 10 years apart proved that timing matters. The first visit was about places to see. The second was about people to see.
U.S. citizens don't need passports to enter Puerto Rico. Canadian citizens are required to show proof of citizenship.
See San Juan climate by month including historical temperatures and rainfall so you can plan your vacation around good weather.
The following chart shows the number of people who visited Puerto Rico by month in 2006. See the busiest and lightest times to go.