Xiaonanahai is made of Shanjiadong and Jiangjin Reservoirs and is also named "Yongan Reservoir". Located right between Baihe and Houbi Districts, Xiaonanahai is also part of Jianan irrigation system. Because of Putuo Temple of Guanyin is situated by it, Yongan Reservoir was dubbed "Xiaonanahai" as well. Putuo Temple is the branch of Zengguang Temple in Jiayi City, offering a tranquil ambience caused by lush greenery and egrets surrounding around.