Driving from Danang airport to the sumptuous Nam Hai resort on Vietnam's central coast, it is impossible not to notice the vast stretches of construction and "Opening Soon" signage that line the beachbound side of the road. When I remark on the phenomenon to one of the Nam Hai's owners, he says the area -- known as China Beach to foreigners -- is poised to become the next Phuket. Having never been to Thailand, I can't compare the two. It did, however, remind me somewhat of the Riviera Maya. Here are five reasons that coastal Vietnam should be on your travel radar right now.