Bikinis, Tankinis, and One Pieces: We Found the Best Places to Buy Swimsuits for Every Occasion and Budget (2024)

Any benefit of retail therapy stops short at swimsuit shopping, which generally involves trying on swimwear in dressing rooms with fluorescent lighting, warped mirrors, and, if you’re shopping during the off-season, a finite amount of options. Whether it’sone-piecesor supportive bikinis, buying online allows you to discover new brands and unconventional designs, with permission to have an early aughts rom-com makeover montage in the comfort of your home.

It does come with one problem: A dizzying array of possibilities. With help from three fashion experts, we scoured shops to find you the same kind of crisscrossed string bikinis and plunging necklines filtering their way into this season’s trends. We included higher-coverage options with timeless silhouettes you’ll love from niche brands, too. This list encompasses all, taking you through a deep dive into the best swimwear brands to shop online.

Why We Love It: In the case of Reformation, first and second time's the charm. This is actually the brand's second swimwear launch: While the first 2019 collection, made from recycled materials, was successful, it returned to the drawing board to design an even more sustainable fabric made from a renewable, bio-based (read: a plant-derived, synthetic alternative ) fiber. The result: A softer, durable, and environmentally friendly collection filled with the same retro-inspired styles integral to the brand's core clothing collection. Shop a scoop neck one-piece with color-blocked piping, a cheeky printed bikini, and an '80s-style ruched halter-neck, here.

Who It's For: As with most Reformation pieces, you will wear these staple pieces over and over because every item transcends micro-trends, yet is still playful enough to maintain a spot in the current swimwear zeitgeist.

Why We Love It: Real-time magic occurs each time you step into a neon-colored Hunza G one-piece: You don't have to measure yourself to find your perfect fit. The brand carries one-size-fits-all options, which, we know, sounds questionable. Yet, they achieve this industrious feat using a signature fabric that molds to bodies—it expands and hugs frames without looking saggy or clinching way too tight. The puckered, seersucker-like material further enhances silhouettes and adds visual interest to every piece.

Who It's For: Thanks to its unique, crinkle-stretch fabric that fits your frame no matter the situation, anyone who is family planning might consider the pieces. The comfortable material accommodates bodies throughout pregnancy and post-postpartum, saving you from purchasing a new item every few weeks.

Why We Love It: Most Madewell pieces stick to their guns—always reliable, effortless, and sophisticated. But we are thrilled at the sheer amount of diverse options—from a bandana bikini top to an artistic one-piece—available in its swimwear line. And, because we simply can't resist a co-ord set, our favorites include the matching coverups that coordinate with abstract-printed two pieces. The collection is a true meeting of the minds, as it also collaborates with beloved brands such as Frankie's Bikinis, Solid & Striped, and Jade Swim.

Who It's For: It's hard to limit the collection to one specific shopper—it promises the same quality as Madewell jeans and shoes in every silhouette. As a bonus, the eco-conscious among us will appreciate that several styles use sustainable materials and less environmentally impactful manufacturing practices.

Why We Love It: One of our favorite places to buy swimwear—seriously, we recommend its one-pieces and bikinis. Summersalt combines proper fit with universally flattering color-blocking and trend-inspired colorways to bring you swimwear you'll want to wear forever. Of course, we recommend the classic Sidestroke one-piece, which launched the brand into fame, but check out some of the more underrated styles, like the Perfect Wrap one-piece or the Plunge bikini.

Who It's For: Not sure which swimsuit style will feel most comfortable on your body? Summersalt offers timeless, well-fitting designs that suit various body types. The brand took millions of measurements on over 10,000 women to find what fits would look great on nearly everyone.

Why We Love It: Similar to its seamless leggings and other athleisure, Athleta's designs consider the active woman, giving you high necklines and tankini silhouettes that will move with you as you swim. Plus, with flattering details, like ruching on the tummy and high-waisted bottoms, the swimwear looks as good as it feels. We love that many of the pieces also allow you to select your cup size, too, including pieces made just for DDs, so you can ensure a perfect fit. Larger breasts won't have to worry about accidentally spilling out of the top, while those with smaller chests can avoid any gapping from too-big tops.

Who It's For: Athleta offers sportier pieces that you can swim in without worrying that a top might go flying off. Additionally, anyone who struggles with finding support will appreciate its designs for their functional features, like extra supportive straps, that cater to larger chests.

Why We Love It: We consider J.Crew's swim a sleeper hit. Constantly collaborating with different companies, such as Liberty, Dauphinette, and SZ Blockprints, J.Crew brings fresh patterns to the table that you'll likely never get tired of. Right now, we're eyeing this vintage-looking ruched square neck one-piece and the string bikini with a reversible fruit-forward print. We also recommend looking at the effortless coverups, many of which come in matching prints.

Who It's For: J.Crew has options for plus-size folks, those with long torsos, and even petite women. Plus, with timeless-looking designs, your swimwear from the prep-inspired brand will stay relevant for years to come.

Why We Love It: Look, grandma-core has its time and place, but old-fashioned designs aren't tantamount to full-coverage swimwear. Andie has an adorable collection of vintage-inspired bikinis that anyone can feel comfortable wearing, while not looking out of place in the 21st century. The brand also incorporates more contemporary details into its swimsuits, like using animal prints and spicing up one-pieces with deep V-cuts and flaming red colors. Bonus: Andie makes online bathing suit shopping a little easier by offering online size consultations with its stylists.

Who It's For: Stylist Samantha Brown recommends Andie for anyone wanting “fuller coverage options that don't look dowdy.” (Slim chances of that happening with Demi Moore as an investor and collaborations with Mindy Kaling.)

Why We Love It: Of course, we have to talk about Amazon's swimsuits. Most of the suits from brands like InStyle-favorite Cupshe, come in full sets, instead of separates, so keep that in mind when you order because you probably won't be able to pick different sizes for the top and bottom. We love the array of styles from sexy options, like this mesh one-piece, to curve-enhancing choices to daring bikinis. Anyone looking for rash guards or full-coverage swim garments can easily find them on Amazon, too.

Who It's For: Known for its affordable, well, everything, Amazon has trendy styles that you can order quickly and have just in time to take on vacation—it's probably the most useful of the bunch for emergency orders.

Why We Love It: Aerie is a frequent character in viral TikTok clothing trends, especially its yoga pants and booty-boosting cheeky-cut bikini bottoms. Although its pieces never get too whacky with prints or avant-garde designs, the brand thoughtfully plays into trends by incorporating cutouts and sporty one-shoulder styles throughout the line. Meanwhile, tried and true silhouettes, like its string bikinis, get upgrades from glittering materials and subtle embellishments.

Who It's For: Maybe you shopped Aerie in middle school, but it continued to churn out on-trend styles made for everyone. Aerie isn’t only clairvoyant when predicting what buyers will love—they’re forward thinkers in designing accessible clothing. For instance, some bottoms include pockets, which buyers on social media have noted were the perfect place for their insulin pumps.

Why We Love It: Nordstrom is one of our favorite retailers to shop for clothes, period. You're bound to find designs from Billabong, Becca, Good American, Tommy Bahama, La Blanca, and more. The site can easily be searched for specifics—color, size, brand, for example—leading to a great user experience. But it's the impeccable curation that we keep coming back for.

Who It's For: We always go to Nordstrom for high-quality pieces from well-known brands. You probably won't find the most affordable pieces of all here, but these suits will last for years to come.

Why We Love It: True to its clothing line, swimwear from Target is affordable, offered in a wide range of sizes, and always guarantees at least one variation on the season's most popular trends. You'll find lots of metallic and glitter one-pieces next to more classic bikinis, like this bandeau top or this ribbed number.

Who It's For: Not only does Target offer a plethora of sizes for everyone to find the right fit for them, but the mega-retailer has trendy garments you'll want to wear, too. So, regardless of your style, there's certainly something you'll love.

Why We Love It: Founded by a former fashion editor, Jade Swim takes simple, wearable shapes but mixes them with luxurious-looking (and feeling) fabrics that elevate the entire style. It even uses details like ruching and thick belts to turn today’s trends into timeless pieces. It’s no wonder that we’ve spotted models such as Kaia Gerber and Chrissy Teigen sporting the brand’s minimalistic and ultra-sleek designs. One thing you won’t see, though: Prints. The sustainable fashion brand, which makes all its swimwear at its studio in California, only offers solid colors to minimize water waste typically needed for printing patterns.

Who It's For: No prints? No problem. Even though Jade Swim only offers solid-colored options, its unique silhouettes are ideal for anyone who wants a versatile piece that still stands out.

Why We Love It: As one of the more well-known swimwear brands, we're big fans of the brand for Solid & Stripe's lifeguard- and preppy-inspired pieces (this red one-piece practically screams modern-day Baywatch) mixed in with more innovative designs. We appreciate how detailed each swimsuit is, regardless of how simple in form, by adding faux boning, underwire cups, or belts around the waist. Just a note, we imagine these pieces are made more for lounging on the beach or attending a party, rather than a vigorous swim.

Who It's For: Anyone looking for high-quality designs should keep an eye on Solid & Striped. Despite keeping designs relatively low-key in terms of prints and silhouettes, the impeccable craftsmanship means they'll outlast endless beach parties and trend cycles.

Why We Love It: Asos supplies the site with options for nearly everyone with swimwear for plus-size folks, larger breasts, long torsos, and curvier bodies. You can sort between styles in order to lead you right to what style you had in mind—check out the high-waisted bikinis and one-pieces with cutouts, or get even more granular with high-cut bottoms, one-shoulder tops, and halter necks.

Who It's For: Similar to Amazon, Asos offers affordable, on-trend designs for everything from a destination vacation to a day on the beach with friends.

Why We Love It: It’s worth spending a little extra on the minimalist styles from Spanx since they’re easily converted into our everyday outfits. We envision pairing this tube skirt with crop tops and tees or throwing a maxi skirt over this short-sleeved one piece and going on a stylish errand outing. Additionally, most of its pieces are available in up to a size 3X and offer signature shaping technology, like built-in tummy panels smoothing mesh fabric.

Who It's For: Turn to Spanx for the same reason you would shop its everyday shapewear: Whenever you want basic pieces that feel great, last forever, and make us (and icons like Oprah and Jennifer Garner) feel confident.

Why We Love It: We understand why Cupshe has the TikTok seal of approval with quite a few bestsellers, from comfortable one-pieces to neon bikinis. You can pretty much find any type of swimsuit you want—ultra sheer, high-cut bikini bottoms, long-sleeved surfer one-pieces, and more. It also offers swimwear in plus sizes with just as many versatile styles up to 4X.

Who It's For: With most of its pieces clocking in under $30, Cupshe is our go-to brand for recreating styles seen on our favorite TV show or celeb’s swimwear selfies. And, since the affordable prices offer a little more wallet wiggle room, it’s a great brand to experiment trying new trends.

Why We Love It: Like the brand’s best-selling, (and often sold-out) Skims shapewear and loungewear, its swimwear line features an inclusive size range that runs from XXS-4X. While metallic bodysuits and large cutouts infiltrate the collection, it also has more basic pieces such as triangle tops and tie bottoms with the same comfortable and supportive fabric as your favorite Skims leggings or sports bra. You can also mix and match styles with traditional bottoms, a sarong-style skirt, or biker shorts.

Who It's For: In a perfect world all swimwear would feel like loungewear and in this case, it does. While you won't be hit with extravagant prints or super crazy silhouettes, the swimwear is size-inclusive and makes you feel and look good while wearing it.

Why We Love It: We’ll save you from swiping up: That swimsuit linked in your favorite influencer’s story during their weekend in Montauk or Coachella excursion is probably from Revolve. The site stocks trendy, vibrant swimwear from high-end brands like Versace to more affordable options from MinkPink and Lovers and Friends. You can still feel like you’re hitting the beaches of paradise (and take plenty of selfies), even without a ticket booked to Punta Cana, by shopping from strappy, crochet styles and maximalist prints.

Who It's For: If you’ve ever wanted to try aesthetics like cottagecore or buy an oversized sun hat, Revolve has all the options to embrace them all. Not to mention, the sale section is top-notch and always re-stocked.

Why We Love It: Whether lounging in your backyard or vacationing White Lotus style, PatBo’s palm tree prints and tropical color schemes give your swimwear an elevated resort look. More elegant design details include hand-beading and mixed materials, like the Portofino Bikini Top, which features delicately stitched beads and a stunning two-toned matching high-waisted bottom.

Who It's For: Beverly Osemwenkhae, an NYC-based stylist and founder of ProjectBee Wardrobe Consulting, tells us she’s also a fan of the brand because its clothing works well on everyone, from taller customers to those with petite frames.

Why We Love It: Wearing string bikinis should come with a wardrobe malfunction warning. But, this doesn’t mean only B-Cups and below can capitalize on itty bitty styles. We can help when you need tips on finding a swimsuit with a fuller bust, and you can turn to brands specifically created with these types of buyers in mind, like Curvy Beach.

Who It's For: Tired of limited swimwear options? Founder Elizabeth Taylor created the brand in 2017 for plus-size customers to have a string bikini that accommodates their shape, instead of the other way around. Sarah Chiwaya, a blogger and plus-size fashion expert, loves the woman-owned brand because it carries, “string bikinis that actually work on full busts.”

Why We Love It: It’s not hard to understand why the brand is popular with fashion trailblazers, such as Beyoncé, Sara Jessica Parker, Mindy Kaling, and others. The styles play with a little bit of old, and a whole lot of new, like this metallic two-piece set whose fabric screams rave while the silhouette mimics a retro design.

Who It's For: More of a lounge-by-the-pool type? As statement pieces, rather than your everyday triangle bikini, Norma Kamali’s bathing suits give us more upscale garments we'd wear outside the water to dinner, drinks, and whatever else the evening entails.

Why We Love It: Cacique offers cup sizes ranging from C to H with many styles featuring a lining, adjustable straps, and underwires for a natural lift. Even the string bikinis include power mesh linings to keep anything from slipping out of place.

Who It's For: It’s hard to find a brand that offers swimsuits with cups that go above a DD, so when she’s looking for bra-level support, Chiwaya opts for Cacique.

Why We Love It: Miraclesuit carries options, like this catsuit-style one-piece, which has just the right amount of sexy when wearing it in and out of the water without being too revealing. Every piece is well-constructed, super durable, and uses luxurious-feeling material made to last. Perhaps, what the brand is best known for, though, is how it designs built-in shapewear to enhance your figure and give extra support. We’re particularly drawn to the preppy athleisure looks found in its collection of flouncy swim dresses and flair skirts.

Who It's For: Not interested in the barely there bikinis? No problem. Miraclesuit offers sleek swimwear that keeps you covered everywhere.

Why We Love It: Once thought of as a more youth-centered brand, Becca Swim extended its collection over the years to include sophisticated styles such as halter-neck two-pieces and simple, square-neck styles. But, when you do want to follow Bella Hadid’s lead with something more skimpy, you can find the brand’s take on styles that continue to crop up every year such as triangle bikinis and low-back one-pieces.

Who It's For: Becca Swim mastered what many fail to achieve: It creates styles that nail trends yet stay relevant through every micro-cycle. Take it from someone who still pulls out her Becca bikini from high school every summer; you’ll have its swimwear in your drawers for years.

Why We Love It: If you haven’t heard of the barrier-breaking brand Chromat, allow us to introduce you. Shop tons of styles in sizes up to 4X that employ strappy designs, velvet fabrics, and clear buckles to create one-of-a-kind looks. In addition to thinking of all genders and body types (One collection collaborated with trans activist Tourmaline to debut a swimsuit line “for girls who don't tuck.”) Chromat keeps the planet in mind too. According to the site, the brand makes all its clothing using “regenerated nylon spun from fishing net and recovered post-consumer plastic bottles” in safe, fair-wage factories in NYC and Sofia, Bulgaria.

Who It's For: Anyone and everyone! One of the first to embrace an anti “bikini body” sentiment, the brand creates gender-inclusive swimwear, considering every type of customer and their specific needs.

Why We Love It: Zimmerman understands how to take one simple design element (an oversized bow, a flouncy ruffle) and transform it into an awe-inspiring style. Consider a crochet triangle bikini you can double as a crop top Dua Lipa-style or the ‘90s-inspired design of this rosette-accented one piece. Don’t be dismayed if you need something a little more under-the-radar. Zimmerman offers plenty of streamlined, solid-colored options that are just as beautiful and luxurious-looking.

Who It's For: If Emily in Paris needed a new bikini, we’re sure she wouldn’t have trouble finding one in the eccentric styles from Zimmerman. On the more high-end (read: pricey) side, the brand isn’t afraid of mixing patterns and colors to rework trends into whimsical swimwear pretty enough to hang on your wall.

Why We Love It: You’ll bring the heat to any pool party wearing the figure-hugging, sleek swimwear from Riot Swim. The barely there styles, including the skinny-strapped Jax Top, don’t skim on support. Maybe we wouldn’t be Vanessa Hudgens-brave to wear the tiny tops on a hike, but, hey, with double-lining and underwire, they would probably hold up.

Who It's For: In the market for sexier styles that won't leave you feeling ready to shrug your big T-shirt back on purely out of discomfort? The brand challenges that sexy means being uncomfortable, by using stretchy materials such as nylon and spandex for a second-skin feel, similar to shapewear.

Why We Love It: The impetus behind the brand’s conception, per the site, was when Olga Phillips couldn’t find any flattering swimsuits for her plus-size niece. Carrying up to a 6X, you’ll have a field day browsing through strappy Love Island-type bikinis and dreamy organza embellished two pieces. Most of the styles can easily pass as going-out clothes, too, like this flirty eyelet one-piece, which practically begs to be worn out.

Who It's For: When we want unique, sexy styles in an inclusive size range, Chiwaya tells us no one does it better than the Latine-owned brand Alpine Butterfly. You’re not likely to have a “who wore it better” moment on the beach either, since the brand’s sustainable, zero-waste approach designs each collection in limited quantities.

Why We Love It: The French luxury designer, whose star-studded fans include Olivia Wilde and Katie Holmes, makes splurge-worthy swimwear worth the investment. I mean, is there anything more decade-defying than a Pamela Anderson-inspired red one-piece? Eres uses subtle details such as delicate eyelets, thick ribbon ties, and smartly placed zippers to create styles that are still contemporary but won’t end up in a landfill next season. And even if a front looks particularly plain, they spice up the suit with a funky strap detail in the back or an alluring low back to keep things interesting.

Who It's For: We’d never turn down a puffy sleeve or neon number, but when you want a swimsuit that will outlast any trend, Osemwenkhae suggests Eres. “It’s a great brand for women who want that timeless classic swimsuit and good quality,” she explains.

What to Keep in Mind

  • Material: Most swimwear is made from a blend of nylon, polyester, and elastane, like Lycra, for durability. Some, like Spanx, even include UPF protection from the sun (though, we’d never recommend skipping your SPF). If your pool plans involve more sunbathing and less high-diving, you can expand your options to ones that include delicate materials, like crochet.
  • Support: Many brands, such as Cacique and Riot Swim, have perfected their designs to include underwire for bra-level support without the discomfort of feeling like you’re wearing one. Others, like MiracleSuit, even have built-in shapewear that gently squeezes and accentuates your figure.But, swimwear ultimately comes down to what you feel most comfortable in, which Chiwaya tells us doesn’t always mean maximum control and support. She explains that “as someone with a full figure and heavy boobs, I grew up thinking I needed to be in the swim equivalent of shapewear and have full underwire support at all times. But now some of my favorite suits are ones that embrace my body exactly as it is—and I feel hot in them.” We recommend experimenting with different styles to find what’s right for you. But keep in mind the return policies because for sanitary purposes, you might not be able to return the suit after its purchased.

Your Questions, Answered

What’s the best way to find your right size when shopping for swimsuits online?

To find something you feel best wearing, Chiwaya recommends always having your bust, waist, and hip measurements on hand and coordinating them with the size chart. When you’re unsure, Osemwenkhae says she usually references her bra and underwear size when looking for a two-piece swimsuit and her dress size for one-pieces. She tells us for one-piece swimsuits, to “try your normal size or size down—this is all depending on the cut. One-piece swimsuits are usually made of 70 percent spandex and nylon, so they have a lot of give.”

Looking into the brand and reading reviews for a better understanding of how the sizing runs—true to size, big, or small—can help make your decision too. “If your measurements are between that brand's listed sizes or if you are unsure what size to get, I always recommend sizing up, because swim as a category tends to run small,” Chiwaya adds. Brown suggests, “Try your swimsuits on at home, in good lighting, with real mirrors. Don’t be thrown by the awful fluorescents in stores, and don’t be fooled by tilted mirrors that warp your figure." If you don’t love how you look in the swimsuit, it isn’t the right style for you—at the end of the day, it has absolutely nothing to do with your body.

How can you style a swimsuit to wear beyond the pool or beach?

Swimsuits bend the rules—they aren’t confined to water-related activities or even a single season. “I love wearing a duster or kaftan with a wide-brim hat with my one-piece swimsuit,” Osemwenkhae says. “Sometimes I will turn my sarong into a top over my bikini and pair it with a loose pair of denim cut-offs and espadrilles.”

Chiwaya and Brown like to use their solid-colored one-pieces as body suits. Chiwaya suggests you, “pair them with baggy jeans or layer them under a blazer to get extra wear in colder weather.” She also adds that the sheer trend that is a great opportunity to use a bikini as a base layer.

What’s the best way to extend the life of your suit?

In the same way, you’d care for a nice coat or your favorite pair of trousers, once you’ve invested in a quality swimsuit it’s important to give it a gentle wash to ensure it has the longest life possible. Brown tells us hand washing is ideal, and to lay it flat or hang it to dry. “Putting swimsuits in the dryer can wear down the fabrics over time,” she explains.

If you find yourself replacing swimwear every year, splurging on a high-quality swimsuit may save you from constantly repurchasing new styles. “Fast fashion swimwear is great for hitting the trends, but the construction of the suit may not hold up over time,” Brown says. She suggests you opt for higher-quality brands and invest in timeless silhouettes.

Why Shop with Us

Irene Richardson is a fashion and beauty writer for the InStyle commerce team. For this story, she spoke with the following fashion experts to get their recommendations and learn more about what it takes to find the suit you’re most comfortable wearing:

  • Beverly Osemwenkhae is an NYC-based stylist with a background in luxury retail, including working alongside brands such as Lanvin and Christian Louboutin.
  • Sarah Chiwaya is a body-positive style blogger and influencer. Her #inthefittingroom series helps followers see how clothes (including swimsuits!) fit in motion on an unedited plus-size body.
  • Samantha Brown is a celebrity stylist and TV personality with an editorial background.
Bikinis, Tankinis, and One Pieces: We Found the Best Places to Buy Swimsuits for Every Occasion and Budget (2024)
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