Haha, that's funny how our brains continue to associate certain things with places and experiences, often based on our formative years. For me it's not the beach, but trampolines. For most people they're just a fun toy to have in the backyard. But I always associate them with bare feet (both...
On the theme of captured couples and watching your SO get tickled, this story comes to mind: http://www.tickletheater.com/showthread.php?t=79623&highlight=wrestling
I thought it was an awesome concept. Could use a bit of polish but the story is in a way very hot.