Easy & Functional Bathroom Storage Ideas For Small Spaces

Functional Bathroom Storage Ideas For Small Spaces

Our bathroom renovation is still very much “in progress,” and soon we are going to need some bathroom storage ideas for small spaces. I find myself constantly daydreaming about how to make our tiny bathroom feel better, smarter, and more comfortable. It is a very compact bathroom – in small spaces, even a single shelf or extra hook can make the difference between feeling cramped and feeling calm.

Lately, I’ve been on a mission to figure out how we could upgrade the comfort level in our bathroom without adding a single square meter. I’ve gathered so many clever bathroom storage ideas — some practical, some a bit dreamy — that unfortunately can’t all fit into our own space.

So I thought, why not organize this little idea-collection here on the blog? That way, even if I can’t use them all, you might find exactly what your tiny bathroom organization dreams are missing.

Small bathroom with a bathtub, featuring plants placed on the tub edge and a hanging planter on the tiled wall to utilize available space. — Using the rim of the tub and hanging planters brings extra greenery to a tiny bathroom. Foto from pexels.com, by nana.

Upgrade your level of comfort!

Some of these “bathroom storage ideas for small spaces” solutions are easy DIY wins, others need to be planned into a renovation from the very beginning (because some hidden cabinets need invisible spaces).

I am an architect by day, so if you are interested, read my thoughts about general design tips on minimalist small bathroom ideas for simple living, or our bathroom renovation story is here.

Whether you’re looking for small bathroom storage ideas on a budget, over-the-toilet storage ideas, or just a fresh take on how to use that awkward bit of wall space, these tips will help you get the most out of every corner.

Why Smart Bathroom Storage Is Essential in a Small Space

The smaller the space, the bigger the storage challenge—and bathrooms are one of the trickiest rooms of all. We often have far more stuff than we think—lotions, towels, extra toiletries, cleaning supplies—and during everyday life, we just keep collecting more. The problem? Organizing, tidying up, and discarding takes effort and time. It’s simply easier to have a smart storage system from the beginning, so everything has a home from day one.

In a tiny bathroom, storage isn’t just about organization—it’s also about hygiene, easy cleaning, accessibility, and safety. You don’t want to bump into a shelf every time you reach for the towel, or find your everyday items hidden behind a stack of “just in case” products.

I recommend planning your bathroom storage with at least one-third empty space built in. This gives you room to grow without creating chaos.

So, let’s dive into my collection of Bathroom Storage Ideas For Small Spaces—a mix of practical, clever, and design-friendly solutions that you can adapt for your own home.

Warmly lit small bathroom featuring a minimalist sink with black fixtures, an open wooden shelf storing rolled towels, and a white towel hanging by the toilet. — Open shelves and compact surfaces keep essentials tidy and accessible, adding style and functionality to an aesthetically pleasing tiny bathroom. Foto by Luis Zambrano on pexels.com.

Smart Storage Principles for Small Bathrooms That Actually Work

Items should be functional + aesthetic.
Prioritize accessibility.
Think vertical and behind-the-door.
Maximize “dead” spaces like corners or under-sink areas.
Plan a storage for every item.

1. Under-Sink Storage Ideas for Small Bathrooms on a Budget

The space under the sink is often overlooked, but in a small bathroom, it can be a storage goldmine. With a little planning, you can turn that boring cabinet into an organized hub for everyday essentials—without spending a fortune. Here are some clever ways to make it work harder for you:

● Install Pull-Out Drawers with Bathroom Organizer

Instead of one deep, jumbled cabinet, install pull-out drawers or sliding baskets. Use small dividers to separate categories like haircare, skincare, and cleaning supplies.

● Hide Your Hair Dryer in a Heat-Safe Drawer Organizer

If you use a hair dryer daily, give it its own spot inside a drawer with a heat-resistant holster or organizer. Bonus: it keeps cords out of sight and the countertop clutter-free.

A bathroom vanity with a white sink and wooden drawers, featuring organized under-sink storage with compartments for a hair dryer, rolled towels, and toiletries. — Drawer dividers keep essentials like towels and hair tools neatly organized under the sink. It is an ai image, but I could not find a proper one – but you get the idea!

● Use a Magnetic Strip for Small Bathroom Tools

A slim magnetic strip mounted on the inside wall can hold tweezers, nail clippers, bobby pins, or small scissors. It’s a tiny bathroom organization trick that keeps the little things from disappearing.

● Add a Tension Rod for Towels & Cleaning Supplies

If your under-sink is not a drawer, still it is possible to add an extra level of storage. A short tension rod can be a mini game-changer—drape small towels, hang spray bottles, or add S-hooks to store lightweight tools.

● Group Items with Clear Bin Container-Organizers

Line the bottom of your under-sink space with clear bins or baskets so you can pull everything out in one motion. Group items by type for quick access and easy cleaning.

A bathroom with a wooden vanity and stone basin, showcasing under-sink storage with woven baskets and neatly folded towels on an open shelf. — Open shelving and woven baskets maximize under-sink storage for extra towels and bathroom supplies. Found it on pexels.com, foto by Max Vakhtbovycn

2. Vertical & Wall-Mounted Bathroom Storage Ideas

In a small bathroom, wall space is your best friend. From floor to ceiling, there are countless vertical storage opportunities that keep essentials within reach while freeing up floor space. The key for bathroom storage ideas for small spaces is to plan ahead—especially if drilling into tiles is involved—so you can make every centimeter count.

A modern bathroom with an open under-sink shelf, displaying large black storage baskets and rolled towels for practical organization in a small space. Many bathroom storage ideas for small spaces are visible! — Spacious baskets tucked beneath the countertop provide easy access and clutter-free storage in a small bathroom. Vertical storage can mounted basically everywhere. Found it on pexels.com, foto by Max Vakhtbovycn.

● Install Durable Hooks for Towels, Robes & Baskets

Don’t underestimate the power of a simple hook. They’re perfect for towels, robes, or even small baskets. Skip the self-adhesive kind—most aren’t truly water-resistant. Drill your hooks into the wall or tiles, and install at least three times more than you think you’ll need. You’ll always find something else to hang.

Wooden wall hooks neatly holding bath towels, a brush, a soap bar, and a woven bath mitt, demonstrating efficient small bathroom storage. — Wall hooks keep towels and bath accessories tidy and within easy reach, making the most of vertical space in a small bathroom. Found it on pexels.com, foto by Kaboompics.com.

● Use Tension Rods Beyond the Shower Curtain

A tension rod isn’t just for shower curtains. Install one across a wall or between two cabinets to hang towels, baskets with hooks, or small organizers. They’re also perfect for temporary setups during renovations.

● Add an Electric Towel Warmer for Comfort & Storage

An electric towel dryer is a multifunctional luxury in a tiny bathroom—drying your towels, warming them up, and adding extra hanging space. Choose a stylish one that complements your bathroom’s design, since it will be on display.

Close-up of a chrome towel rail being used to air dry a white bikini top against tiled bathroom walls. — A heated towel rail provides a practical spot to dry swimwear and keep towels warm in small bathrooms. Found it on pexels.com, foto by The Aesthetic Shop.

● Maximize Above-the-Toilet Storage Space

That empty wall above your toilet is prime storage real estate. You can add shelves, cabinets, or even a slim vertical storage unit. Place your toilet paper supply or just a nice flower decoration. If you’re renovating, consider a toilet with a hidden or built-in water tank—it opens up the wall above for endless possibilities.

Minimalist bathroom with terrazzo walls and a wall-mounted toilet beneath sleek wooden cabinets with under-cabinet lighting. Found it on pexels.com, foto by Mateusz Pielech.

If you don’t have a built-in water tank and floating toilet. Simple bathroom design with a toilet positioned under a wooden shelving unit holding a green plant and cabinets.

Contemporary bathroom with wooden cabinetry featuring built-in open shelves above the toilet, storing towels and a basket. — Tall built-in shelves above the toilet add extra storage without taking up floor space, perfect for folded towels and baskets. Found it on pexels.com, foto by Daniel Wells.

Bathroom with a wall-mounted toilet set beneath a wooden shelf displaying a vase and a small wicker basket. — A recessed shelf above the toilet keeps decorative items and necessities within easy reach while maintaining a neat look.

● Mount Your Hair Dryer for Easy Access

Instead of hiding your hair dryer away, give it a permanent, tidy spot on the wall. This not only saves drawer space but keeps your morning routine smoother. You can mount your hair dryer on a cabinet – cables will be hidden, but the dryer will remain still in easy reach.

Small bathroom with a wall-mounted sink, hair dryer, soap dispenser, glass shelf, and extendable mirror installed on white tiled walls. — Wall-mounted accessories like a shelf, mirror, and hair dryer maximize space and keep everyday essentials easily accessible in a compact bathroom. Found it on pexels.com, foto by LaMiko.

● Use the Back of Your Bathroom Door for Storage

The back of your bathroom door can hold hooks for towels, baskets for small items, or even hanging organizers for toiletries. I personally find it messy, but if you are travelling a lot, you can simply just pack your “whole bathroom”.

● Mount Organizers Inside Cabinet Doors

The inside of cabinet doors is perfect for mounting a small rack, magnetic strip, or compact hair dryer holder—bonus points if you can plug it in inside the cabinet for quick use.

● Install a Fold-Down Drying Rack to Save Space

A wall-mounted drying rack that folds flat when not in use — great for hand-washed clothes or extra towel drying without clutter.

Wall-mounted folding wooden drying rack with towels hanging on it, set against a white wall and a leafy green plant. — A foldable drying rack saves space and makes it easy to air towels or clothes right in the bathroom. Found it somewhere on pinterst… But, looking at the structure, really easy to make one by yourself!

3. Cabinets & Shelves for Small Bathroom Storage

Cabinets and shelves are the backbone of any bathroom storage plan—but in a small space, the wrong choice can make the room feel cramped. I’m a big believer in floating storage for small bathrooms. Not only is it easier to clean under, but when you can see the entire floor space, the room instantly feels more open.

And when it comes to what’s visible—less is more. Clutter should be hidden away, and open storage spaces should only showcase decorative or beautiful, functional items. Here’s how to make cabinets and shelves work for you:

● Recessed Hidden Cabinets for a Minimal Look

Built-in or recessed cabinets keep essentials out of sight while blending seamlessly with your walls. This is my favorite way to make storage “disappear.”

● Floating Cabinets to Open Up Floor Space

Wall-mounted cabinets give the illusion of more space and make cleaning the floor much simpler. Perfect for a vanity or a slim side cabinet. Floating cabinets are in my opinion the best bathroom storage ideas for small spaces.

A floating cabinet and ledge provide extra storage options and easy access to toiletries in this compact bathroom. Ai image – but the idea is simple.
A floating vanity frees up floor space, and countertop trays and vases help keep daily essentials beautifully organized. Foto from pexels.com, by Fritz Jaspers.
A floating vanity frees up floor space, and countertop trays and vases help keep daily essentials beautifully organized. Foto from pexels.com, by AJ Ahamad.
Wall shelves and a floating vanity create practical storage solutions while keeping this small bathroom open and cheerful. Foto from pexels.com, by Andrea Davis.

● Mirror Cabinets with Hidden Shelves

A mirror with hidden shelves behind it is a bathroom classic for a reason—it saves wall space and adds functionality without adding visual clutter.

Colorful built-in cubbies and mirrored cabinets maximize storage while adding personality to a compact bathroom layout. Found it here, but I am looking for the architect or designer! Really like this fun bathroom.
Mirrored wall cabinets add hidden storage and reflect light, making this small bathroom feel airy and spacious. Kitty Lee Architecture, Two Summer Bathrooms.

● Floating Shelves for Decorative Bathroom Storage

If you must have open shelves, keep them minimal. Store only well-arranged, beautiful items—like your beautiful perfume bottles, a plant, or neatly decanted toiletries—so they add to the design rather than the mess.

● Upcycle a Vintage Cabinet for Under-Sink Storage

One of my all-time favorite ideas: transform a mid-century modern dresser into a sink cabinet. With some water-resistant coating and maybe a new countertop, you can create a unique, stylish vanity.

● Repurpose Old Cabinets for Vertical Storage

Even a small nightstand can be modified and wall-mounted for extra storage. If you have the space, a tall antique cabinet can be a stunning storage piece—just avoid glass doors if you dislike seeing every speck of dust. Not to mention, solid doors hide clutter AND are much safer.

4. Bath & Shower Storage Ideas That Stay Minimalist

When it comes to the bath or shower area, I prefer keeping it as clear as possible—just a toothbrush, toothpaste, and soap. Everything else goes straight into the cabinet. Minimal surfaces mean easier cleaning and a calmer, uncluttered look.

But if you share your bathroom with family or roommates, a bit of in-shower storage is practical—after all, everyone has their own favorite products. Here are some ideas for storing what you need without overwhelming the space:

● Add a Built-In Shower Niche

My favorite option for shower storage: a recessed shelf built right into the tile grout lines. It keeps bottles out of the way, looks sleek, and is easy to clean.

A bright pink built-in shower niche keeps toiletries organized and adds a playful accent to the tiled wall. In Casa Portuguesa
A wide horizontal niche provides ample shelf space for shower essentials and greenery, keeping everything accessible and neat. Source
A slim built-in niche fits seamlessly into the shower wall, perfect for stashing shampoo and soap while saving space. foto: Almond Studio, architect: Ukłon Studio

● Install a Sleek Metal Schlüter Shelf

My second favorite option for shower storage is the “schlüter shelf” – I am not sure about the name, but it is an elegant, slim metal shelf built into the grout. You can mount it when placing the tiles, or afterwards by cutting the grout.

Modern shower corner with dark tiles featuring a silver Schlüter shelf built into the grout, holding a soap dispensers. — A Schlüter shelf fits seamlessly into the grout lines, providing sleek, moisture-resistant storage for shower essentials.

● Use a Barrier-Free Handrail for Storage Function

A horizontal handrail doubles as a towel rack or hanging bar for small baskets. It’s a safety feature and storage solution in one—perfect for kids, elderly family members, or anyone who wants extra support.

● Add a Second Tension Rod in the Shower

A tension rod can add a whole extra line for storage—hang small baskets, hooks, or towels. You can even double up your shower curtain rod for a discreet second layer – it can be a design choice, linen curtain from outside, a shower curtain from inside.

● Mount a Glass Shower Caddy for Bottles

If your shower has glass panels, choose a caddy that mounts directly to the glass with sturdy, rust-proof fittings. This keeps everything at eye level without drilling into the wall.

Modern shower with grey wood-look tiles and a black framed glass panel, featuring a shower caddy mounted on the glass holding shampoo and body wash bottles. — A shower caddy mounted on the glass keeps toiletries organized and easily accessible without taking up extra space. Found it here, foto by Jeanette G.

● Store Bathroom Items in Your Window Space

If your bathtub or shower has a window, it can be a surprisingly elegant storage spot. Keep only a few minimalist, matching containers there for a chic look—too many items and it can quickly become messy.

Bathroom with a bathtub and shower, displaying various toiletries and bottles neatly arranged on the window ledge above the tub. — The window ledge serves as an extra storage spot for bath products, making the most of otherwise unused space in the bathroom. Found it on pexels.com, foto by Anastasiia Lopushynska.

Takeaway: How to Make a Small Bathroom Feel Bigger with Storage

Small bathrooms demand smart thinking. Every corner, wall, and hidden nook has the potential to store something — but the real trick is doing it without cluttering the space.

My approach is simple:

hide as much as possible
keep only the beautiful and useful things visible
and design with cleaning and longevity in mind.

Wall-mounted storage, floating cabinets, and real, timeless materials make a small bathroom not just more functional, but more enjoyable to use every single day.

My own studio apartment renovation is still in progress, and the bathroom is one of the spaces I think about most. I love discovering new, clever storage solutions, and when they align with my principles for hygiene, usability, and design, I’m more than happy to adapt them into my plans.

If you’re curious about the rest of my renovation journey, you can explore the bathroom section — or any other part of the project — right here on the blog.

Architect’s Angle: EXTRA Timeless Bathroom Storage Design Tips

When it comes to bathroom design, I always advise:

Go for timeless: Trends pass quickly; classic forms and quality finishes last.
Hide everything: Clutter is the enemy of a calm space.
Mount it on the wall: Vanities, toilets, even taps — wall-mounted elements free up floor space and make cleaning easier.
Choose real materials: Natural stone, wood, and quality ceramics age beautifully and feel good to use every day.

Plan bathroom storage ideas for small spaces early in the design phase, thinking about wet and dry zones, accessibility, and how the space will be cleaned. Done right, your bathroom will be both beautiful and practical for years to come.

Your turn: What’s your favorite bathroom storage idea? Is there something clever you’ve tried in your own home? Share it in the comments — I’d love to hear your solutions! And if you found this post helpful, feel free to save it on Pinterest so you can revisit these ideas anytime.