Shanghai is the largest seaport in China. It is located on the coast of the East China Sea between the mouth of the Yangtze River in the north and Hangzhou Bay in the south. The city has many rivers, canals, streams and lakes, and is a part of Lake Tai's basin. The off-shore waters hide numerous reefs and cliffs that pose a danger to vessels, which is why you can see many a sunken ship on the bottom. The diverse underwater world and colourful coral reefs attract divers and snorkelers from all over the world. The diving depth here is shallow and may range from 8 to 20 meters. The local waters are home to a great variety of crustaceans, from lobsters to all kinds of crabs. The distinguishing feature of coastal waters is pearl shells; these molluscs can grow pearls inside their shells.
Shanghai is located in a subtropical climate zone with high humidity levels during the year. Winter here is rather cool, with an average air temperature of +5 °C. Summer is hot, and the air warms up to +28... +30 °C. Summer and the beginning of autumn are typhoon season. There is a chance of tsunami. The best time to dive here is from March to mid-May.
Lion City is one of the best dive sites. This is an ancient underwater city that lies 30-40 meters deep in Qiandao freshwater lake. Divers here can explore the city's walls that have become home to large fish.
Aquarium is one more great spot for dive lovers. Here you can see sharks, turtles, eels and other sea dwellers.