10 Best Period Swimwears For Teens of 2025 (Reviewed)

Every girl knows that there’s nothing more embarrassing than finding out you’ve stained your shorts or dress while you’re on your period. This fear, coupled with myths about how swimming affects your period or drops of period blood entering the pool, is no wonder our girls stay away from the pool when on their period.

But this is 2025; swimwear brands have grown beyond all that, in particular period swimwear. They are waterproof, swim-ready, and offer protection against period leaks. And no, they are not ugly; they’re cute and don’t have “Period Swimwear” written anywhere on them, so nobody but you needs to know you’re on your period. There are so many period swimwear brands out there, but here are the 10 best teen period swimwear brands to get for your baby girl.

10 Best Teen Period Swimwear for Teens

1. Beautikini One Piece Period Swimwear for Teen Girls

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With a period swimwear like this Beautikini One Piece Period Swimwear for teen girls, you won’t have to miss your swimming competition even though you’re on your period. It looks like a regular classy racerback swimsuit, but the only difference is that it can also handle your flow from both light to moderate days.

This period swimwear for teens has four layers of gussets and a thick waterproof membrane to prevent leaks while in the pool. And surprisingly, this works perfectly. This swimsuit is fit, cute, snug, and secure so you can swim, dive, or surf without being conscious of your body. So if you’re on your period and you don’t want to cancel on your pool plans with your friends, this is one of the best period swimwear options to get.

2. Marine Dream Teen Swimwear Hi Waist Bikini Brief

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Not all period swimwear can handle full-blown heavy flows, and that’s where this Marine Dream Teen Hi-Waist Bikini Brief differs from them all. It gives you enough protection and confidence to go swimming even if it's your first flow day. It's made with high-absorbency gussets that work just like 10 tampons, so you have nothing to worry about.

Apart from being so wonderful, this bikini brief is also modest and cute for your teen girl. It's high on the waist, low on the leg, has full bottom coverage, and flatters the body perfectly. It's also made from an eco-friendly Seaqual fabric that is stretchy, fit, and waterproof, just like many others featured in our sustainable swimwear brand roundup. As one of the best period swimwear for teens, this swimsuit works with its highly absorbent lining and its waterproof barrier to make sure you have fun swimming all throughout your cycle.

3. Period Swimwear Mid Waisted Bottoms

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If you’re thinking that period swimwear is bulky or frumpy, then think again, cos this Mid-Waisted Period Swimwear Bottom isn’t any of that. In fact, it's so perfect for swimming that it should be your go-to. This period swimwear bottoms is made to carry you for 8 hours all through your light and moderate flow days.

As one of the best period swimwear for teens, it is completely comfortable and flattering. With its mid-rise cuts, it hugs your hips but not in a tight or bulky way. And then you can decide to pair it with your favorite bikini top. If you’re worried that maybe someone will be able to smell if you’re on your period, then you shouldn’t bother, cos this period swimwear is odor resistant too. Now, you have no reason why you can’t go into the pool, especially when you’re on your period.

4. Ruby Love One Shoulder Period Swimsuit

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This Ruby Love One Shoulder Period Swimsuit gives confidence and slaying at the beach or the pool. It’s cute and all, but it isn’t just another regular period swimwear for teens. Nope, this one comes with built-in absorbent layers and Ruby Love’s famous leak-proof tech that works just like three tampons. 

And even on the days where you’re having a heavier flow, you don’t need to worry; you can just get their double-sided pad to double the protection, and you’re good to go. Trust me, this suit is so stylish that you would buy it for your teen even if she weren’t on her period. It is stretchy, flattering, easy to wash, odor-free, breathable, and best of sustainable. Many period swimwear brands, like this one, are actually women-led. You might enjoy browsing other female-founded swimwear labels doing great things in this space.

5. WUKA Teen Period Scoopback Two-Tone Swimsuit

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This is one of the best period swimwear for teens that truly delivers on what it says it does; it is secure, stress-free, and works just like you’re wearing three tampons. It’s best for those days when you’re having a moderate flow and still want to enjoy your day at the pool.

This low-back two-toned one-piece is beautiful. It fits just like your regular swimwear. It is smooth, stretchy, and body-hugging but not too much that it becomes weird. But the best part about WUKA Teen Period Scoopback Two-Tone Swimsuit is that it is affordable, reliable, reusable, washable, and comfortable. What else do you want?

6. Nérée Terracotta Sienne Bikini Cheeky

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This is the type of period swimwear you wear on those days when you’re not sure your period id coming or ending, but it sure feels like it. It doesn’t give that full period protection like other period swimwear on this list, but I guess that’s what makes it special. It looks and feels like a normal, cute bikini, but it comes with an ultra-thin water-resistant protective layer.

This holds as much as one tampon can, so only use it for light spotting or end-of-cycle kind of thing. And even when you enter the water with it, it doesn’t feel uncomfortable or soggy; instead, it's lightweight, comfortable, and flattering. If you truly want to go to the beach and you’re not sure of your period date, you can use a menstrual cup or a tampon with it, just to be safe.

7. Knicked Teen Period Swimwear 2 Piece Set

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This two-piece set is comfortable, modest, functional, and the perfect solution to get your teen up and doing all through the summer, especially when she's on her period. You can get her the soft pink or classic black color. Trust me, both look divine. This Teen Period Swimwear 2 Piece Set doesn’t even look or feel like a period product.

But it actually is. This 2-set bottom is completely period proof, and it comes in two styles. You can go with the sleek tie side option or the more covered high-waisted look. They both use discreet waterproof barriers and gussets to make sure there is no leakage. The bikini top that comes with this set also has adjustable straps and removable modesty cups, so you get style, coverage, comfort, protection, and versatility with this period swimwear.

8. EVA Teen Period Swim Bottom

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Now, if you’re looking for the best period swimwear for teens with heavy flow, then you’ll need to come closer. The EVA Teen Period Swim Bottom feels like it's specifically made for teens with heavy flow. It looks like a regular bikini bottom. I guess that’s the idea, but trust me, it's a lot smarter. And since it's a bottom, you can pair it with any top or tankini of your choice.

The real magic of this bikini bottom is its ability to hold up to 4 tampons’ worth of flow, giving you about 8 hours to have fun, swim, dive, and not worry about stains. This Eva bikini bottom is designed to be stretchy, comfortable, and secure. Plus it comes with protection against the sun and chlorine, so it's durable enough to last through different summers. If you’re looking for more options that offer UPF protection, check out these sun-protective swimwear brands.

9. SERENA - One Piece Teenage Period Swimwear 

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The SERENA One Piece Teenage Period Swimwear is sleek and seamless, just how you imagine your favorite one piece to be. That’s why it is one of the best period swimwear for teens. It has no bulk lining or hidden diaper; instead, it comes with a leak-proof ultra-absorbent protection that handles both light and moderate leaks.

This one-piece period swimsuit comes with adjustable straps, so you know it won’t shift while diving, swimming, or surfing. It is also anti-odor, anti-humidity, and totally chemical-free, which is a good win for both you and the planet. With this SERENA swimsuit, your baby girl won’t ever have to feel weird about swimming whenever she’s on her period.

10. Period Swimsuit Teenager - Racer Back

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If you have a teen athlete and she's on her period, all you need to get her is this Racerback Period Swimsuit for teens. It is both fashionable and practical, just like a regular sporty swimsuit, but this one comes with discreet protection and a built-in period pant.

This means it can hold up to 2 tampons' worth of flow, which is only good if you have lighter and kinda medium days. But on a heavier day, you can add a tampon or menstrual cup, so your baby girl feels better and more at peace while swimming. This swimsuit is one of the best period swimwear cos it is inclusive, eco-friendly, bold, comfortable, and functional.

Conclusion

Period swimwear is magical. With the new tech, its waterproof layer and absorbent inner lining, your teens have no reason to be outside all through the summer. There’s a swimsuit for light flows, one for moderate days, and of course, there’s one for heavier days. You just need to choose.

And the best part about period swimwear is that they are comfortable, stylish, and reusable. Yes, you heard that right. You can wash them and use them again without having to change your tampons. Sure, it may be a bit expensive, but it is the best way to ensure your teen fully enjoys her summer at the beach or at the pool. And since they’re reusable, it helps to know how often swimsuits should be replaced, especially after frequent chlorine exposure.