Ianto blushes slightly, looking away for a moment before smiling back at him. "I may have already gone skinny dipping with Spike the other day at the water park. After all that trouble you went to in order to get me in a swimsuit and everything."
The ocean is still a new experience though, and he swims a little closer to Jack, avoiding all the splashing he's doing. The pool was nice but it really can't compare to this warm, tropical water.