How convenient is it to go to Zhoushan Peach Blossom Island and Shanghai on May Day?

Route 1: Take a bus from nanpu bridge to shenjiamen, Zhoushan (first to Xiaoyangshan, then to the ferry, then to shenjiamen after arriving at Zhoushan West Wharf or Sanjiang Wharf), and then take the ferry to Taohua Island at Duntou Wharf, shenjiamen (note: there are only two flights from nanpu bridge to shenjiamen every day).

Route 2: Take the bus directly from Shanghai South Bus Station to shenjiamen, and then the same. (Tickets are about 130 yuan)