|Primary outflows||Gulf of Siam|
The bay lies south of Prachuap Bay. It is open towards the east and is bounded by steep limestone outcrops forming peninsulas to the north and to the south. There are two islands in the bay, Ko Lueam about 3.6 km offshore, and smaller Ko Aen, about 1.5 km off the beach within the bay.
Ao Manao has a good beach which is a popular tourist destination. It can be reached by road through the Wing 5 Royal Thai Air Force base.
Besides, at Khao Lommuak, a viewpoint hill of this place. It is also a habitat for over 200 dusky leaf monkeys. They behave politely, not as aggressive as the monkeys or langurs in other tourist spots, tourists can feed them.