And Hemudu site. .
You can go to Lan Song, which is the seaside, and you can swim. You can also go to Phoenix Mountain Paradise. You can also go to Zhoushan by boat at Baifeng Wharf instead of Taohua Island. I suggest you go to the seaside of Zhujiajian Island Island, eat food stalls in shenjiamen and worship Buddha in Putuo Mountain.
If you want to shop in downtown Ningbo, it's really meaningless. Mainly pavilions. If you want to go shopping, you can go to Tianyi Square. That's it anyway.
There are many interesting places in the suburbs, such as Jiufeng Mountain, Guobao Temple and Asoka Temple.
Yandang Mountain is not far from Ningbo, so you can go to play when you are free.