If you go to Nandaihe by train, how do you take the bus after getting off the train? Can you go to a place where the accommodation is closer to the sea?

There is no train access to Nandaihe, so you can only go to Beidaihe by train. There is a bus (No. 22) from Beidaihe Railway Station to Nandaihe.

Buses 802+809 can go to the Cote d'Azur, there is a place to stay