Vietnam has a growing number of exceptional beach resorts, with refined aesthetics, polished service and delicious food. However, it is important to remember that many of these properties front the South China Sea, so although the sand may be white and fine, the beaches tend to be wide and long, and the waves can be quite sizable. Our five favorite Vietnam resorts are all located in what was once South Vietnam. There, the climate is tropical, with a dry season extending from October to May. Daytime temperatures are in the high 80s year-round.