Swim diaper rules differ from one pool to the next, so what is required at one community pool may not match the pool across town. This guide describes the kinds of rules pools commonly post and gives you a list of questions to ask before your first visit. The final word always comes from your own facility.
Rules vary: check your own pool
Community pools, hotel pools, school pools and private clubs are run by different groups, and their policies can differ. You may find the rules on a sign at the entrance, on the facility's or municipality's website, in a program guide for lessons, or from the person at the front desk.
If the rule you read online and the rule on the sign disagree, go with the staff at the pool. They are the ones who will enforce it, and they can tell you about anything that changed recently.
Who is asked to wear a swim diaper
A common rule is that children who are not yet toilet trained wear a swim diaper in the water. Some facilities set an age instead, and some use both: a cutoff age, plus anyone older who still uses diapers. A child who is partway through toilet training may be treated as not yet trained, so it is worth asking rather than assuming.
Bring the right size, because a swim diaper that gaps at the legs does not do its job. If your child is between sizes, start with our diaper sizing guide, then compare your child's weight or age with the size range listed for the swim diaper you are considering.
Single layer or double layer
Some pools accept a single swim diaper. Others ask for two layers: a swim diaper plus a snug swim cover or swim pants over it. Do not put a regular diaper underneath to meet a two-layer rule, because a regular diaper takes in water. If your pool asks for two layers, ask them what the second layer should be.
| Setup | What to confirm with the pool |
|---|---|
| One disposable swim diaper | Whether one layer is enough for the age of your child |
| One reusable swim diaper | Whether reusable styles are accepted on their own |
| Swim diaper plus a snug cover | What the cover should be and how snug it needs to be |
Two reusable examples are ALVABABY Reusable Swim Diapers, Dolphin and Jellyfish, Size S, 2 Pack and, for ages 2-3 years, Splash About Happy Nappy Reusable Swim Diaper, Strawberry Field, 2-3 Years. The swim diapers collection lists the rest.
Shop this guide
- Huggies Little Swimmers Disposable Swim Diapers, Size 3 Small, 12 Count (ships via Amazon)
- Reusable Swim Diaper with Drawstring, Lady Dragon, Size S (12-20 lbs) (ships via Amazon)
- Reusable Swim Diaper with Drawstring, Mr Dragon, Size M (16-28 lbs) (ships via Amazon)
- Reusable Swim Diaper with Drawstring, Mr Dragon, Size L (22-34 lbs) (ships via Amazon)
- See all: Swim Diapers
Prices are on each product page. Free shipping on orders of $100 or more within Canada.
Regular diapers on the pool deck
Policies here can go either way. A pool may allow regular diapers on the deck as long as your child stays out of the water, or it may ask that anyone in a regular diaper stay back from the pool edge, or that you switch to a swim diaper before you enter the pool area. Ask which applies, and bring a dry regular diaper for before and after.
If the pool has a separate baby or wading pool, ask whether its rules match the main pool. They may not.
Where to change
Many facilities ask that diaper changes happen in the change room or a marked change area, not at the water's edge. A few habits make this easier:
- Bring your own change mat in case the change table is busy or missing.
- Carry a bag for the used diaper, in case the garbage bin is far away.
- Wash your hands afterwards, and your child's hands too if they are old enough.
- Never leave your child alone on a raised change table.
If there is a leak in the water
It happens. Tell a lifeguard or staff member right away, take your child out of the water and follow their instructions. The pool may need to be cleared for a time, which is why a quick report matters.
If your child has an upset stomach or diarrhea, ask your doctor or public health nurse before going swimming, and check whether the pool has its own rule about staying out of the water.
Questions to ask before your first visit
- Do you require a swim diaper, and from what age?
- Is a single layer enough, or do you ask for two?
- Are reusable swim diapers accepted?
- Does the rule change for a child who is toilet training?
- Where is the change area, and is there a change table?
- Can my child wear a regular diaper on the deck?
- Does the baby or wading pool have different rules?
- What would you like me to do if there is a leak?
Common questions
Do reusable swim diapers count?
That is up to the facility. Some accept reusable styles on their own, and some prefer a particular style or ask for a second layer. Ask before you buy, so the first visit is not a surprise.
Can I use a regular diaper for a quick dip?
A regular diaper takes in water and is not designed for swimming, and many pools ask families not to use one in the water. Check your pool's rule.
Does a swim diaper have to be a certain size?
It should fit snugly at the waist and legs with no gaps. Sizes are shown by weight, age or small, medium and large depending on the maker, so check each product page.
What if I forget the swim diaper?
Ask at the front desk before you get changed. Some facilities sell swim diapers and some do not, and the staff can tell you whether your child may go in the water without one. A spare kept in the swim bag saves you the question.
Need help choosing a swim diaper that suits your pool's rules? Reach out through our contact page and we will help. We reply within one business day.