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Dive into summer with confidence and style with our collection of bikinis for young women. From beach days to poolside lounging, find fresh new styles that perfectly capture your vibe. Whether you're into bold prints or classic cuts, our assortment has something for every taste. Discover your new favorite fits and make a splash with the hottest trends in swimwear. Get ready to turn heads and feel effortless in bikinis that are as unique as you are.

$35.20

A black micro bikini top with adjustable ties, crafted from double-lined stretch nylon and spandex.

$61.99

A multi-colored, high-leg bikini bottom with a Y-shaped design and seamless, cheeky Brazilian cut.

$52

A classic white triangle bikini top with adjustable straps and a tie back, made from nylon and spandex.

$59.99
Now $41.99 (30% Off)

SALE!

A blue bikini bottom with adjustable tie sides, mini O-ring details, and a flattering high-cut design.

$67.99
Now $47.59 (30% Off)

SALE!

A slim, ultra-sleek halter bikini top in multi and red with adjustable ties and contrast binding.

$67.99

A green halter neck bikini top featuring crochet trim, adjustable ties, and breathable, fully lined fabric.

$61.99
Now $43.39 (30% Off)

SALE!

A blue underwire bikini top with organza trim, paneled cups, and adjustable thin shoulder straps.

$27.99

A textured, multi-color floral bikini bottom with skimpy coverage and full lining for comfort and support.

$30

A cheeky high-cut bikini bottom in sunset color, made from 82% nylon and 18% spandex.

$52

A green scrunchy bikini bottom featuring ruffled trim and cheeky coverage in a nylon-spandex blend.

$94

A green bikini bottom made from recycled fabric with adjustable tie sides and ruched back detailing.

$62

A pink underwire bikini top crafted from smocked, wave-textured recycled nylon with a mini bow detail.

$29.99
Now $14.99 (50% Off)

SALE!

A white triangle bikini top with eyelet detailing, rose accent, adjustable straps, and removable padding.

$48

A seamless bikini bottom with cheeky coverage, featuring scrunch detail in soft recycled nylon and spandex.

$35.20

A stylish black layered string bikini bottom with adjustable side ties, crafted from polyamide and spandex.

$50

A multi-colored bikini bottom with extra cheeky coverage, adjustable scrunch waist, and thick side straps.

$30

A pink bralette bikini top with adjustable straps and a water-resistant silver-tone ring, made of nylon and spandex.

$30

A classic blue halter bikini top made from 82% nylon and 18% spandex, flattering all body shapes.

$30

A violet triangle bikini top with adjustable ties, butter-soft fabric, and double lining for medium support.

$48

A pink bikini bottom with embroidered ruffle trim and double-lined stretch fabric for a feminine touch.

$36.80

A white eyelet bikini bottom with adjustable string ties, made from 95% polyester and 5% spandex.

$30

An orange and white bikini top with adjustable straps, made from durable, fade-resistant nylon and spandex.

$30

An aqua high-cut bikini bottom with a cheeky fit, made from 82% nylon and 18% spandex.

$30

A vibrant orange and white bikini bottom with adjustable side ties for a flattering, customizable fit.

Bikinis For Young Women

When it comes to updating your swim drawer as the weather warms, bikinis for young women are the go-to move for everything from spontaneous pool days to full-on beach escapes. Whether you’re packing for a weekend getaway with your crew, chasing the sun on a day trip, or just vibing by the backyard pool, the right bikini lets you show off your personality and style with total confidence. There’s a reason these silhouettes are a staple in every summer lineup—bikinis are all about freedom, movement, and endless mix-and-match possibilities. With so many fresh takes on tiny swim and barely bikini styles, it’s easy to find a fit that feels unique to you. Maybe you’re drawn to bold colors and playful prints, or maybe you keep it classic with sleek, minimal vibes. Either way, you can count on tillys bikinis to bring the hottest styles and most wanted looks, letting you express yourself from sunrise to sunset.

Shopping for bikinis is all about finding pieces that fit your lifestyle and comfort zone—whether you’re into young micro bikini trends, high-waisted cuts, or sporty tops that keep up with every adventure. For those who love to switch up their look, tiny swimwear options make it simple to mix different tops and bottoms, giving you endless combos to match your mood or the day’s plans. These pieces aren’t just for solo pool hangs; they’re also a thoughtful gift for a bestie heading off to college, a sister’s birthday, or anyone who lives for those first dips of summer. Bikinis are designed for versatility, making them perfect for everything from volleyball games in the sand to lazy afternoons lounging with friends. And if you’re looking to build a full beach-ready fit, pairing your favorite bikini with a breezy cover-up, a sun hat, and some slides is a move that always feels effortless. For even more inspo and to round out your summer rotation, check out our curated edit of Beachwear For Young Women—your destination for on-trend styles that make every beach day feel like a mini vacation.

With bikinis, comfort and confidence are just as important as style. Look for adjustable straps, soft stretch fabric, and secure closures—details that keep you feeling good whether you’re catching waves or just catching rays. The latest drops feature everything from ribbed textures and ruched detailing to strappy accents and tie-sides, so you can find a look that’s as bold or as low-key as you want. For those who want to keep things extra minimal, barely bikini silhouettes and tiny swim options offer that barely-there feel without sacrificing support or fit. No matter your shape or size, there’s a bikini out there that’s ready to be your new favorite. As the days get longer and the invites start rolling in, having a lineup of go-to bikinis means you’re always ready for the next adventure—whether it’s a last-minute pool party, a planned vacation, or just a chill afternoon in the sun. From beach to street and everywhere in between, bikinis for young women are built to keep up with every moment, bringing fresh energy and those endless summer vibes all season long.