If your bathroom has no linen closet, the obvious fix is to look for another cabinet or shelf.
But in a small bathroom, that can take away the space you're already short on.
You may not need more bathroom storage. You may just need fewer towels stored in the bathroom.
Keep the towel you're using and one or two clean towels nearby, then store the extras somewhere dry outside the bathroom.
There's one more thing to solve separately: where the wet towel can actually dry.
Start by Dividing Your Towels Into Three Groups
Before measuring shelves or shopping for storage, look at what you're actually trying to store.
If six clean bath towels are taking up bathroom space, try keeping only one or two there.
The others don't need to be within arm's reach of the shower every day. When the bathroom supply runs low, bring another towel in from the reserve.
For many small bathrooms, this alone solves much of the storage problem.
Find the Space You Already Have
 |
Don't assume every empty-looking space is usable.
The bathroom door should still open normally. Vanity drawers and doors should work. The shower should remain easy to enter. You shouldn't have to squeeze around storage just to reach the sink.
Use the existing vanity if you can make it reliably dry.
Or add shallow storage above the toilet if the vanity isn't suitable.
Neither solution requires giving up more floor space.
Option 1: Make the Vanity Usable Before Buying Another Cabinet
If you already have storage under the sink, investigate that space first.
It may be enough for one or two clean bath towels and a few washcloths without adding another piece of furniture.
Don't put clean towels into a damp or musty cabinet just because it's empty.
First, Find Out Why the Cabinet Smells Damp
Empty the cabinet completely.
If you're unsure whether there's a small leak, dry the cabinet first and check the plumbing and cabinet floor again after using the sink.
If you find an active leak or wet cabinet material, don't treat it as a storage problem.
Fix the moisture source first and allow the cabinet to dry.
A moisture absorber won't repair a plumbing leak, and an organizer won't make a damp cabinet suitable for clean towels.
If It's Dry but Stuffy, Improve the Air Exchange
Suppose you've ruled out leaks, the cabinet surfaces remain dry, but the space develops a stale smell when the doors stay closed.
In that situation, improving air exchange may help prevent air from remaining stagnant inside.
This works best when the bathroom itself is also allowed to dry properly after showers. If the entire bathroom stays humid for long periods, adding vents to the vanity alone won't solve the problem.
If You Use a Curtain
A small tension rod may make the change reversible if the cabinet dimensions allow it.
Use a lightweight, washable fabric rather than a heavy curtain, and don't fit it so tightly that it simply recreates a sealed cabinet front.
Keep the bottom of the curtain well above the bathroom floor so it doesn't pick up splash water or interfere with cleaning.
The curtain should also be easy to move aside so you can regularly inspect the pipes and cabinet floor.
If You Replace the Doors
Before ordering louvered cabinet doors, check:
A door that merely looks louvered but has closed decorative slats won't provide the same air exchange.
A Moisture Absorber Can Be a Backup, Not the Fix
Once you've established that there is no active leak, a small moisture absorber may help with occasional residual humidity.
Place it on a stable surface where it won't tip over, keep it separate from clean towels, and follow the product's instructions for placement and disposal.
If a musty smell repeatedly returns or the cabinet continues to become damp, investigate the source again.
If the entire bathroom stays humid for hours after showering, the problem is larger than the vanity.
Why Does My Bathroom Stay Humid for Hours After a Shower? looks at what to check when bathroom moisture doesn't clear normally.
Then Organize Around the Plumbing
Once the cabinet is reliably dry and smells normal, work around the plumbing rather than trying to fill every inch.
An open-sided, two-tier or pull-out under-sink organizer can make the awkward areas beside the pipes easier to use.
If you also keep toiletries, cleaning products or other liquids under the sink, don't place them in the same organizer as clean towels.
Keep linens in their own section so a leaking or spilled bottle doesn't soak them.
And don't completely bury the plumbing behind bins. Leave enough of the pipes and cabinet floor visible that a future drip has a chance of being noticed.
A Practical Under-Sink Setup
 |
It's keeping the space dry, separated and inspectable.
You don't have to reproduce every feature shown here. For one bathroom, an organizer may be enough. For another dry but overly enclosed vanity, a vent, lightweight curtain or true louvered doors may make more sense.
Use only the changes the cabinet actually needs.
Option 2: Add a Shallow Cabinet Above the Toilet
Sometimes the vanity simply isn't the right place for towels.
It may be too small, already occupied by bathroom essentials, awkward around the plumbing, or unsuitable for clean linens.
In that case, look at the wall above the toilet.
It can provide additional storage without taking away floor area.
For a bathroom that regularly gets steamy, a shallow closed cabinet is a more practical choice for clean towels than creating a large exposed stack.
The goal is to hold a small rotating supply—not every towel you own.
Measure Depth, Not Just Width
Stand where you normally use the toilet and consider how far the proposed cabinet will extend from the wall.
If it feels intrusive, look for something shallower.
A compact cabinet that comfortably holds two towels may work better than a deeper one that adds storage you don't actually need.
The cabinet also needs to be mounted appropriately for the wall construction and its loaded weight.
A Practical Above-the-Toilet Setup
 |
The additional storage goes onto previously unused vertical space.
Only a small supply of clean towels stays inside the cabinet. The towel currently being used remains outside the cabinet where it can dry.
The towel bar is for the damp towel in use.
Which Option Should You Choose?
You don't necessarily need both.
You can use both if you genuinely need both spaces. For example, hand towels and washcloths might stay in the vanity while two clean bath towels go into the wall cabinet.
Start with the minimum amount of storage that actually solves the problem.
What About a Slim Floor Cabinet?
A narrow freestanding cabinet can still work when there is genuinely unused floor space.
The important word is genuinely.
A gap beside the vanity or toilet may look empty but still be space you need to stand, turn, clean or open another fixture.
Open the bathroom door. Open the vanity. Stand at the sink. Get into and out of the shower. Clean around the toilet.
If you repeatedly move the test object out of the way, that floor space isn't really available for storage.
Where Does the Wet Towel Go?
Clean-towel storage is only half of the problem.
The towel you just used needs somewhere to dry.
If you have enough wall space, a towel bar allows a bath towel to hang more spread out.
Where wall space is limited, well-spaced hooks may be an alternative.
The back of the bathroom door can also provide useful hanging space. In a rental, an over-the-door rack may avoid drilling.
Check the door clearance first. The rack shouldn't hit the wall, shower screen, cabinet or another fixture whenever the door opens.
Avoid squeezing several damp towels together onto one small hook. Getting towels off the floor doesn't help much if they remain tightly bunched and damp.
If you're also drying laundry indoors, moisture can become a room-level problem rather than just a towel problem. How to Dry Clothes Indoors Without Making Your Home Damp looks at ways to manage that.
Where Should the Rest of Your Towels Go?
Neither option requires storing every clean towel in the bathroom.
Keep the reserve in the nearest practical dry location—a bedroom closet, dresser, hallway cabinet or other dry storage area—and replenish the bathroom supply as needed.
In a small bathroom, walking a few extra steps occasionally may be a better trade-off than permanently giving up usable space.
What I Would Skip in an Already Tight Bathroom
Floor baskets, rolling carts and decorative towel ladders aren't automatically bad storage.
They just need enough room to justify the space they occupy.
That keeps the storage solution from becoming another space problem.
Before Buying Anything, Check Four Things
1. Is the storage area actually dry?
Don't put clean towels into a cabinet with unexplained dampness or a persistent musty smell.
2. Can you inspect the plumbing?
Under-sink organizers shouldn't make a future leak impossible to see.
3. Does everything still open?
Check the bathroom door, vanity doors and drawers, shower door and any new cabinet doors.
4. Are you storing more towels than you need?
Reducing the bathroom supply may eliminate the need for another storage product entirely.
Try This Before You Buy Anything
Try a stripped-down setup for one week.
If the vanity is dry and usable, organize it before buying another cabinet.
If the cabinet stays dry but develops stagnant air when closed, consider whether better air exchange is appropriate.
If the vanity still isn't suitable—or simply doesn't have enough room—measure the wall above the toilet for shallow storage.
That makes buying another cabinet the result of testing the room, rather than the first response to the problem.
The Bottom Line
A bathroom without a linen closet doesn't necessarily need another piece of furniture.
Start by reducing the number of towels that actually need to stay in the room.
Then look at the vanity you already have. If it smells musty or feels damp, find out why before storing clean towels there. Once it is reliably dry, an organizer—and, where appropriate, better air exchange—may turn awkward under-sink space into useful storage.
If the vanity can't do the job, a shallow closed cabinet above the toilet gives you another option without sacrificing floor space.
And whichever clean-towel solution you choose, treat the towel currently in use separately: give it enough open space to dry.
It's to keep the towels you actually need there without making the bathroom harder to use.
Frequently Asked Questions
Where should I keep towels if my bathroom has no linen closet?
Start with a clean, dry existing vanity or a shallow wall cabinet. Keep only a small supply of clean towels in the bathroom and store reserve towels in another nearby dry closet, drawer or cabinet.
Can I store clean towels under the bathroom sink?
Yes, if the cabinet is clean and reliably dry. Check the plumbing and cabinet surfaces for leaks, condensation, water damage and persistent musty odors first. Keep the towels in their own organizer rather than mixed with products that may leak or spill.
What should I do if the cabinet under my sink smells musty?
Empty it and investigate the source before storing towels there. Check for plumbing leaks, damp cabinet material and persistent bathroom humidity. Don't use fragrance, ventilation or a moisture absorber simply to cover up an unexplained recurring smell.
Can I remove vanity doors and use a curtain instead?
Yes, if the cabinet design allows it. A lightweight washable curtain can make the cabinet less enclosed while concealing the plumbing. Keep it above the floor and easy to move aside so you can inspect the cabinet regularly.
Are louvered vanity doors better for ventilation?
True open louvered doors can provide more passive air exchange than fully solid doors. They may help when an otherwise dry cabinet develops stagnant air, but they won't correct active leaks or excessive bathroom humidity.
Is an above-the-toilet cabinet good for towels?
Yes, particularly when suitable vanity storage isn't available. In a small bathroom, choose a relatively shallow cabinet and use it for a small rotating supply rather than trying to store every towel there.
Where should wet bath towels go in a tiny bathroom?
Keep wet towels separate from clean-towel storage. A towel bar is useful when there is enough wall space because it allows the towel to hang more spread out. Well-spaced hooks or an over-the-door rack can be alternatives when space is limited.