The Dominican Republic is one of the most popular destinations for summer travel in 2021 and is one of the few countries allowing foreign visitors to enter without proof of a recent negative COVID-19 test result or vaccination against the coronavirus. The Caribbean country was among the first to reopen to international travel last year, giving the long-awaited green light for travelers to experience its beautiful beaches, fascinating culture and exceptional all-inclusive resorts catering to guests of all types. Before you visit this tropical favorite this summer, here are some important things to know.