Start the day with a hike up to the Big Buddha, catch the views over the island. In the afternoon, hit the beach for some surfing lessons and snorkelling. End the day with a visit to the Patong Night Market.
Start the day early with a visit to the Wat Phra Kaew and the Grand Palace. After lunch, take a longtail boat ride through the Khlongs and shop at the Damnoen Saduak Floating Market. End the day with a visit to the Asiatique Riverfront.
Start the day with a visit to the Wat Arun and the Wat Pho. After lunch, take a bike tour of the city. End the day by experiencing the nightlife of Khao San Road.
Start the day with a visit to Ho Chi Minh Mausoleum and the One Pillar Pagoda. In the afternoon, explore the Temple of Literature, and take a stroll through the Old Quarter. End the day with a visit to the Hanoi Night Market.
Start the day with a visit to Hoa Lo Prison and the Hoan Kiem Lake. In the afternoon, experience the street food culture of Hanoi. End the day with a Water Puppet Theatre show.
Start the day with a visit to the War Remnants Museum and the Reunification Palace. In the afternoon, take a stroll through the French colonial-era buildings, and visit the Ben Thanh Market. End the day with a visit to the Bui Vien Walking Street.
Start the day with a visit to the Jade Emperor Pagoda and the Saigon Opera House. In the afternoon, take a bike ride through the city. End the day with a visit to the Saigon Skydeck.
You can consider side trips to Phi Phi Island and James Bond Island from Phuket. Also, visit the Ayutthaya temples on your way to Bangkok. In Hanoi, take a day trip to Halong Bay or Sapa, and in Ho Chi Minh City, explore the Cu Chi Tunnels.