Wiktionary
n. A party on the beach.
Wikipedia
Beach Party is a 1963 American film which was the first of several beach party films from American International Pictures (AIP) aimed at a teen audience. This film is often credited with creating the beach party film genre.
Usage examples of "beach party".
There was a beach party that evening, down on the wide, white sand where it curved out in a long spit to embrace a shallow lagoon, where every now and then something made a splash that was too big to be a fish.
The beach party was already hard at work re-embarking the beef barrels and bread bags piled there.
Paris recalled that Harry was the only individual present at this little beach party who had never served among the Maquis.
He did not like the idea of Oniko missing the beach party, and liked even less the thought of her trying to hobble her way, walker and all, down the sands by herself.
The native men and most of the women were to constitute the beach party, transporting cargo to the landing place by means of the ship's cutters and two canoes brought from Tahiti.
Suddenly the casual self-invitation to the beach party sounded like just the thing.
I imagine that the elderly Palm Beach party who lost the vessel to me over the poker table needed such visual stimulations to do right by his Brazilian mistress.
But he did not attend the beach party, so it was not he who doped my coffee.