On your last day, visit some of the famous temples in Phuket, such as Wat Chalong, which is the largest and most visited temple on the island. You can also visit the Big Buddha, which is a 45-meter tall statue located on top of a hill and offers panoramic views of the island. In the afternoon, head to one of the beautiful beaches, such as Kata Beach or Karon Beach, and enjoy the sun, sand, and sea. You can also indulge in some water sports activities, such as snorkeling or surfing.