"beach vacation" is correct and usable in written English.
You could use it in a sentence like this: "I'm looking forward to my beach vacation next month."
This is not a place for a conventional beach vacation.
This setup is fairly easy on a beach vacation.
Boca Beach Club offers a full beach vacation and access to a high-end resort.
WASHINGTON — There is nothing like a little Mediterranean beach vacation to unwind.
I'm bringing it to our first beach vacation, which I'm hoping will come in November or December.
On the way, Mochizuki asked Adelstein if he'd like to go on a beach vacation with him.
He recently took a two-week mission trip to Africa, with time for a safari and a beach vacation.
During my fourteenth summer, my mom bought me a book to read on our beach vacation.
So, try: "I understand you wanted a beach vacation instead of a city jaunt.
(Also by then, the oceans will have boiled away, ruining any prospect of a beach vacation).
Her problems began in August 2008 on the way to a beach vacation.
