Here are some hotels near Sinan Mansions: Jin Jiang Tower (New Jin Jiang Hotel),Jin Jiang Hotel,Rayfont Downtown Hotel Shanghai,Yan'an Hotel,Park Hotel Shanghai
You could try Jin Jiang Ye Shang Hai Ting,Mei Long Zhen Restaurant,Shang Hai Lao Fan Dian(Yu Yuan Dian),Jianguo 328,Xin Guang jiu jia fang liang xie yan(huang pu dian)