Hi Mysty, I use TWO over the door shoe caddies. Best to use a skinny one on the outside of the shower door; and then I use another one on the bathtub rack, since I rarely use the bathtub. I have seen other cabins where the shoe caddy was used OUTSIDE the bathroom door successfully. The best use of space, for more than one person on Shadow/Whisper is to have the crew put a wood board on top of the bathtub. Great shelf. And then they have a clothes rack built on top of that area. Since I am solo, no need for that much space. But, I use the shoe caddies successfully to store daily items on one; future items on the other caddy (vitamins, contacts, all kinds of stuff that I will eventually need!).