Those seeking an idyllic retreat will find it in Phu Quoc, a forested island dotted with pretty beaches, freshwater springs and empty dirt roads (ideal for motorbike adventures). Good diving and white-sand beauty have led to its growing popularity, with a mix of cheap bungalows and five-star resorts along an uncrowded coastline. Bask on pretty beaches and revel in the natural beauty of idyllic Phu Quoc Island ( p452 )