Ao Manao (Thai: อ่าวมะนาว, pronounced [ʔàːw mā.nāːw]), meaning "Lime Bay", is a bay in the west side of the Gulf of Thailand. It is five kilometres to the south of Prachuap Khiri Khan in Prachuap Khiri Khan Province.

Quick Facts Ao Manao อ่าวมะนาว, Coordinates ...

Ao Manao อ่าวมะนาว
Ao Manao from the beach with the northern headland on the left and the southern on the right, as well as Ko Lueam and Ko Aen islands.
Ao Manao อ่าวมะนาว Location off the coast of Thailand
Coordinates	11°46′30″N 99°48′20″E
Type	Marine bay
Primary outflows	Gulf of Siam
Basin countries	Thailand

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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,^[1] 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.^[2]

• Battle of Prachuap Khiri Khan
• List of islands of Thailand