Check out this beautiful drone video of the Thai island of Koh Samet, compliments of top contributor DroneHeroes. Koh Samet is situated in the Gulf of Thailand in the province of Rayong, southeast of Bangkok. It's the largest of a cluster of islands which have become popular as side trip destinations from bangkok, which is about 220 km (around 140 mi.) away. Most of Ko Samet as well as the nearby islands have been declared a national park and are subject to federal conservation rules.