[MikefromOhio]

how do you get “under” the beach? Just wondering.

That would be any wartime followers dream to look at, that’s for sure.

[Paladin2]

Water moves sand around, as does moving air. How do you think the sand gets to the beach in the first place?

[Polybius]

how do you get “under” the beach? Just wondering.

You must be one of 'em landlubbers from Ohio. ;-)

Large Object + Sand + Ocean + Tide = Buried

It doesn't take very long at all.

21 vehicles buried in sand due to high tide ..... Sydney, Jan 21 (DPA) A group of Australian anglers competing in a beach fishing competition near Adelaide Sunday misjudged the tides and returned to find all 21 of their four-wheel-drive vehicles buried up to their roofs in the sand.