MU Ko Lanta National Park Located at the end of the MU Ko Lanta Yai Moo 5, Koh Lanta Yai, amphur, Koh Lanta, Krabi, Thailand. There are beautiful sandy beaches on the island And islets nearby.At the end of Koh Lanta Yai. one end filed out into the sea. There are many Palms The other side is a steep hill covered with forest.