At the Bach Meaning?

For example, "we were at the beach" might mean that you were somewhere at a shorefront location. It might be a town, and you were on the boardwalk, or buying something in a shop, or eating in a restaurant nearby. It also could be used to refer to being in the water.

Which is correct on the beach or at the beach?

In most circumstances you could say either "on the beach" or "at the beach." "At the beach" is a little more general -- if you say "she is at the beach," she might be in the water, or at a shop near the beach buying ice cream, or even on vacation in a beach town.

What does on the beach mean?

[2] "beach, on the." Ashore, whether on leave or having retired from the sea: nautical: mid-C. ...