Puerto Rico Visa Information. Puerto Rico is a self-governing commonwealth of the United States. It is located in the Caribbean Sea, east of the Dominican Republic. Just like all Caribbean islands, Puerto Rico is a tropical paradise that welcomes tourists with unbelievably beautiful beaches and plenty of activities to engage in. As you can imagine, you can go scuba-diving and snorkeling, but you can enjoy water sports as well. If you are a golf enthusiast, you will find the facility for it.