In the first day, we visited Surprise cave, then go to the nearby floating village for kayaking. After kayaking, going back to the ship, had dinner and slept on the cruise ship. All cruise ships stay overnight in Halong bay near Hòn Ti Tôp (Titop island, red dot on the map). On 2nd day, we cruised to Cảng Việt Hải (Viet Hai harbor) on Cat Ba island and biking to Việt Hải village. There is a trail connecting Việt Hải village and Cát Bà town through the Cat Ba National Park (Vườn Quốc Gia Cát Bà). In the third day morning, we cruised back to Bải Cháy, Halong city, through the southern part of Bai Tu Long bay.