Prachuap Bay (Koh Lak Bay) is in Prachuap Khiri Khan city. The charm of Prachuap Bay is that it is a small town on the edge of Prachuap Bay. It is sandy beaches with crystal clear waters. The bay is shaped like a crescent moon about 8 kilometers long. The area starts from Khao Ta Monglai Mountain on the north to Khao Lom Muak Mountain on the south. Because of the length of this bay, it becomes easy to observe lifestyles of the locals such as fishing village, shops, hotels, resort along the beach, government agency, public parks and resting place. There are many uniquely shaped islands in front of the bay, which make the scenery look beautiful.