"The shallows should be safe." He's not positive about that, but if anything serious had gone wrong because surely he would have heard about it. "If we are careful. I cannot swim."

Oh, he knows the mechanics, but robots -- even humaniform ones -- don't tend to float too well, but as they can't drown either, it's not usually a major issue. Daneel sits up, still wobbling uncertainly, but improving, and inhaling the scent of lilacs everywhere. "I would like to see the ocean. I... would not want anything to happen to you, so we will be careful." And that's true even without the First Law, so that's... promising.