You strike a clever balance in leading your reader in one direction, hinting and tittilating, until the actual premise becomes clear. Your word usage brings the reader along just waiting for something sensual, before you very deftly give them the real picture. Your use of the senses is quite well done, give sensation to go with your scenery.

Your ending wraps up the small scene nicely, and leaves plenty to the imagination if you choose to leave this as a one-shot. I wanted to know more about the characters, and wanted to see where subsequent visits would lead, and you could do that yourself, or just leave us guessing. Either way, you've crafted a sweet but subtly erotic scene with very few words, and that is a mark of a good writer.

Kudos to you.