Remember the tile floor mosaic.
It looked good in Roman times...
And it looks good today.
An uplight wall sconce in the wc makes for nice soft lighting you can leave on as a nightlight.
Two baskets by the pool entrance are a great way to corral fresh and used towels.
Woven matting makes for a very chic, yet relaxed, shade.
I told these were random musings. What the best design idea you've discovered on your travels?