The space between the studs of interior walls is ideal for recessed niches about 14 inches wide. They’re right-sized for shower storage that keeps soaps and shampoos handy without taking up space. Make sure that grout and caulk are well-sealed.

Image: Ed Pollio/New York Design and Construction, Inc.

Perfect for those tiny bathrooms, this all-in-one solution puts a hand-washing sink over the toilet tank. It also saves money by channeling used “greywater” into the tank for flushing the toilet! A lever on the side of the little counter controls water to the faucet.

Image: NetLawyer/Flickr

Any unused wall space in a bathroom is an opportunity for storage. Here, a short wall between a shower stall and doorway converts to a built-in cabinet and shelving unit only 20 inches wide. Consider removable shelves and back panel to allow access to pipes and valves for plumbing repairs.

Image: Avalon Interiors

With its multiple pockets, this low-cost ($20) vinyl shower curtain has ample room for hair care products, wash cloths, and your loofah body scrubber. Add decorative items to give your bath a dash of campy style that you can change on a whim.

Image: Urban Outfitters

Add racks, towel bars, and soap dishes to glass shower doors, ceramic tile, and other slick surfaces with the latest generation of stick-on products. Easy to apply and easy to move, you can shift bath storage accessories around as your needs change. These products are waterproof, strong, and are designed to endure wet conditions. About $20.

Image: Danielle Matar/GRiiPA

Bathtub surrounds may be stylish, but they enclose a lot of space you can put to good use with simple access panels. These easy-to-remove panels let you store cleaning supplies and toiletries close at hand but neatly out of sight. This surround costs about $230.

Image: Croydex, Kingston Bath Panel WB685176

Whether you’re planning a full-on bathroom addition or simply replacing cabinets, research cabinet options carefully. Clever storage configurations, such as this 3-inch-wide drawer, offer storage for smaller items and precious knickknacks, and help maximize the organizing potential of “leftover” cabinet space.

Image: Sherrie Wilson

Looking for that perfect toothbrush holder AND a way to free up counter space on your vanity? This not-for-production idea from Amron Experimental shows a lot of ingenuity. Have your own bath storage solution? Leave a comment below to let us know how you’ve organized your bath!

Image: Amron Experimental