There are 5 beautiful islands which are a part of the famous Surin Islands in the incredible Andaman Sea. And it does not come off as a surprise that it has the best snorkelling sites. Due to the protection, it gets from Mi Koh Korin Marine National Park, the coastline and the surroundings, are well protected. Although many parts found on this island are ideal for snorkelling activities, one of the best will always be the Ao Mae Yai Bay. Besides, you can also head out here from a hotel in Khon Kaen, the likes of Avani Khon Kaen Hotel & Convention Centre, easily.