Phuket Fun Day Trips, Snorkeling, Speed Boat Tours, Koh Khai Island We put together to 3 Koh Khai Islands, Koh Khai Nok, Koh Khai Nai, Koh Khai Nui, Tour by Speed boat. The journey is just only 15 minutes from Phuket. Ideals to enjoy snorkeling , feeding colorful fish and enjoy warm water swimming