[Vocabulary] Many people spend their holidays at/by/on the coast.

[newkeenlearner]

Hi everyone,
Is the following sentence with these three possible prepositions correct? and do all have the same meaning?

Many people spend their holidays at,by,on the coast.

Thanks.

 

[emsr2d2]

Hi everyone,
Is the following sentence with these three possible prepositions correct (no question mark here) and do they all have the same meaning?

Many people spend their holidays at/by/on the coast.

Thanks.

All three work in BrE.