in/on the beach

[Maria A]

What's the difference between:
1) in the beach
2) on the beach
3) at the beach

[Mister Micawber]

.
In the beach is odd; on the beach is atop the sand; at the beach is at that point location, as opposed to, say, at the office.
.

[l-u-c-i-f-e-r]

heyy marıa

and ı wanna say about ıt but Mister Micawber had wrote my ıdea for u so ı hope ıts enought for u and ...

good luck / alex

What's the difference between:
1) in the beach
2) on the beach
3) at the beach