Green Bay, also known as White Horse Belly. It is located at 23 degrees 26 minutes north latitude and 1 17 degrees 08 minutes east longitude. East of Nan 'ao Island. To the north of Qingsongling, it is arched with its mouth facing southeast, with a mouth width of 1 km, a belly width of 1.4 km, a depth of 0.95 km, an arc length of 2.9 km and an area of 1 km2. The water depth of the bay is 5- 10 meter, with sand and mud bottom. The northeast coast is a rocky beach, and the rest are beaches. The bottom of the bay is flat and wide, and a small river flows into it. A 0.35 square kilometer Casuarina windbreak belt is planted on the beach at the top of the bay, which can not only prevent sand erosion, but also provide shade for tourists to rest. It is a rare bay along the coast of China, which is open, quiet and beautiful. It is an international resort and natural bathing beach. Shizai Island is located at the southern end of the bay mouth, with an altitude of 28.5 meters. 4000-ton ships can be parked in the bay. In addition to the southeast wind, it can be used to shelter from the wind.
The provincial government has reported Green Bay to the State Council and approved the establishment of a national tourist resort. Nan 'ao County is striving to create conditions for the construction of a national-level tourist resort and develop towards the goal of an international tourist resort.