I dont think i would do that, personally, but I can see it being used for that as it has the "classic beach tote" shape. I'm thinking now that many have seen the beach pics of Beyonce on the beach with her damier; those were stunning pictures and I can see how it might have inspired many.
I don't have a NF myself, but if i did - i think i'd not be too keen on greasy sunscreen, sand stuck, that sort of thing... A wet suit in there, and a damp towel... not me.
However, having lunch at the pier cafe with the beach in the background.... oh yes!