hainan 7Hainan is a beautiful tropical paradise with so much to offer. Here's an ideal itinerary for 7 days in Hainan: Day 1: Arrival in Haikou. Arrive in Haikou, the capital city of Hainan; Check into yourFrom the scenic streets in Haikou on the northeastern coast of Hainan Island to tropical beach along Sanya, feel the impulse of Hainan, pearl of the South China