The 15 Best One-Piece Swimsuits of 2021

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The Rundown

Best Overall: Andie The Mykonos at Andie

"This best-selling suit comes in sizes XS to XXXL and has secure straps that won’t fall off."

Best Budget: Kona Sol Scoop-Back One-Piece Swimsuit at Target

"This is a budget-friendly piece that your friends will think you picked up for triple the price."

Best Solid: Monday Swimwear Bahamas One-Piece at Monday Swimwear

"Each of the solid colorways is pretty enough for any destination or occasion."

Best Print: Y.A.S. Square Neck Swimsuit at Asos

"We love this swimsuit's graphic take on our favorite houseplant, the monstera."

Best High Neck: SummerSalt The Cove at Nordstrom

"It's great for those who want to stay a little more covered up when they’re at the beach."

Best Halter Top: J.Crew V-Neck Halter One-Piece Swimsuit at J. Crew

"This one-piece is a new riff on one of J. Crew's classic shapes and has a sweet vintage feel."

Best Strapless: Solid & Striped The Paula at Solid & Striped

"Adjustable bows help keep everything feeling secure and covered."

Best Underwire: Swimsuits for All Shirred One-Piece Swimsuit at Swimsuits for All

"Molded bra cups give a secure fit that won't move when you're playing on the beach."

Best for C - G+ Cup Sizes: Figleaves Icon Sienna One-Piece Swimsuit at Figleaves

"This suit has convertible straps anchored by underwire and padded cups for shape."

Best Plus-Size: Summersalt The Limited Edition Sidestroke at Summersalt

"Summersalt rigorously tested their sizing so you can feel good ordering true to size."

Our Top Picks

01 of 15

Best Overall: Andie The Mykonos

If you’re going to buy a swimsuit online, the easiest site to do it from might just be Andie. The swimwear specialist offers a fit quiz so you have all the best options available to you from the get-go, and shipping both ways is free. This suit is available in a variety of cute colors and fabrics that have us thinking of Mykonos, including juniper, hydrangea, seafoam, aqua, and navy. But it's practical too: it’s one of the women-led line’s best-selling suits (which is saying a lot), comes in sizes XS to XXXL, and has secure straps that won’t fall off.

02 of 15

Best Budget: Kona Sol Scoop-Back One-Piece Swimsuit

Target’s revamped line of swimwear is anchored by Kona Sol, their in-house brand that makes cute swimsuits at affordable prices. Case in point? This budget-friendly scoop-backed swimsuit that your friends will think you picked up for triple the price. The one-piece features a beautiful coral-on-red abstract floral print, scoop neck, and a low back with adjustable crossover straps. The fabric is a bonus feature, but an important one: it’s made with UPF 50, so your skin stays protected in the sun.

03 of 15

Best Solid: Monday Swimwear Bahamas One-Piece

This one-piece solid swimsuit is very versatile. With a cut that fits like your favorite bodysuit (go ahead and wear this as one too, if you want), the one-piece perfectly walks the line between stylish minimalism and some sexy ‘90s vibes. Designed by the Monday Swimwear’s founders, the suit comes in your choice of soft regular or ribbed fabrics and has sizes that go from 0 to 16. And can we just talk about the range of colors? Whether you go for pared-down ivory, the line’s bronzed nude, or a leopard print, each of the colorways is pretty enough for any destination or occasion.

04 of 15

Best Print: Y.A.S. Square Neck Swimsuit

Y.A.S. Square Neck Swimsuit in tropical print, — Courtesy of ASOS

We love this swimsuit's graphic take on our favorite houseplant, the monstera. With a Millennial pink background, you can leave it to this Danish brand to instill some mid-century Scandinavian cool into your usual one-piece. In a genius design move, it has sticky tape on the inside to keep it all staying up, even in the waves. It also has removable tie straps, so you can adjust the height to fit your body perfectly.

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05 of 15

Best High Neck: SummerSalt The Cove

With on-trend color-blocking, SummerSalt’s The Cove one-piece is great for those who want to stay a little more covered up when they’re at the beach—or just avoid the risk of a wardrobe malfunction while they’re playing in the waves. It has a shelf bra with built-in soft cups, as well as full coverage on the butt and a circular open back. Plus, it’s made from over three-quarters recycled material. With four great colorways—black and white, two-tone jade, black and navy blue, and fuschia and orange—there’s one for pretty much everyone.

06 of 15

Best Halter Top: J.Crew V-Neck Halter One-Piece Swimsuit

With a sweet vintage feel—and some contrasting black trim that keeps it from being too childish—this one-piece halter from J.Crew is a new riff on one of the store’s classic shapes. We love the winsome strawberry print and classic American summertime vibes the suit gives off. And when a suit’s this cute, simply throw on your favorite pair of beach pants or a skirt and go; there’s no reason not to show it off at your post-pool or -beach stop. Just one note on this suit: its fairly basic construction—lining and removable padding—might not be great for those with larger breasts.

07 of 15

Best Strapless: Solid & Striped The Paula

We’ll share a secret with you: this strapless swimsuit looks just as cute tucked into a loose pair of beach trousers or your favorite jeans as it does on the beach. Plus, the gathered torso gives it glamorous bohemian vibes. But the bodice offers more than just stylish looks. The adjustable bows help keep everything feeling secured and covered, and the ruched stretched fabric forms to your body effortlessly (loose tops, are, after all, one of the main downsides of a strapless suit).

08 of 15

Best Underwire: Swimsuits for All Shirred One-Piece Swimsuit

Swimsuits for All Black Shirred Underwire One-Piece Swimsuit — Courtesy of Swimsuitsforall

A best-seller for leading swimsuit e-retailer Swimsuits for All, this fully lined black shirred suit is meant to hug your figure while providing a secure, comfortable fit thanks to power mesh tummy-control front lining and built-in underwire molded bra cups. The swimsuit’s back is cut relatively high and comes with thicker straps for extra lift and support, too. Plus, Swimsuits for All “motion tests” their suits to make sure it doesn't move around or ride up when you’re playing on the beach—meaning you can wear it with confidence from day one.

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09 of 15

Best for C - G+ Cup Sizes: Figleaves Icon Sienna One-Piece Swimsuit

Figleaves Icon Sienna Underwire Bow Front Black One-PIece Swimsuit — Courtesy of Figleaves

Figleaves isn’t just for underwear: the online retailer is also a major player in the swimsuit game and has a great selection of suits designed to fit larger bust sizes. Their Icon Sienna one-piece is indeed iconic: it's one of the top-rated suits on their site and has convertible straps anchored by underwire, padded cups for shape, and medium tummy control. A cute bow at the waist ties it all together.

10 of 15

Best Plus-Size: Summersalt The Limited Edition Sidestroke

Summersalt The Limited Edition Sidestroke, modern abstract, — Courtesy of Summersalt

Summersalt launched to fame because of the company’s rigorous attention to sizing: more than 10,000 women had their body measurements scanned to inform the company's line of suits available in sizes 2 - 22. The results? Darn good. A prime example is this cute one-shouldered suit, which has the brand’s signature compression fit, soft cups, and a stylish geometric pattern. Some happy reviewers liken it to feeling as secure as a pair of Spanx, so it will feel snug when it goes on. That’s just the fit though; go ahead and order true to size. Like all Summersalt suits, it’s made from mostly recycled fibers.

11 of 15

Best Maternity: Hatch Antigua Maillot

This sweet ruffled swimsuit brings to mind sunny afternoons on the French Riviera—but even if you’re just wearing it to your neighbor’s pool, it’s still stylish enough wear on hot days when a day spent in stretchy fabric is the only option that will keep you and your belly cool and comfortable. This suit can be styled in a few different ways—you can cross the adjustable straps or wear them as a halter. And the sides are gathered to accommodate and support your baby as it grows. Two things we love about their suits? They’re all UPF 50+ and fully lined.

12 of 15

Best Sexy: Anthropologie Peixoto Janis Halter One-Piece

Peixoto Janis Halter One-Piece, Anthropologie, — Courtesy of Anthropologie

Leopard is back in a big way right now, and if you’re going to go sexy, you might as well dial it up with this one-piece from Anthropologie. It can go rock ‘n’ roll or midcentury glam depending on how you style it, and its deep-V and open back are guaranteed to make you feel like a sun goddess. The halter has adjustable ties, so you can keep it as covered up or bared down as you’d like.

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13 of 15

Best Active: Athleta Freestyle Colorblock One-Piece Swimsuit

Ideal for women with smaller chests, this athletically minded swimsuit by Athleta is perfect for paddleboarding in the ocean (that high neck won’t let water flushing underneath your suit be a problem) or for swimming laps at the pool (thanks to an intricate network of supportive straps). It can also handle the rigors of triathlon trailing or workouts that take you from dry land to the water. Plus, there’s an eco-friendly aspect to it too: the swimsuit is made from recycled nylon—and there’s some bonus UPF 50 in there, too. Plus, because it’s designed for machine washing, caring for this swimsuit is easy.

14 of 15

Best Sustainable: Madewell Second Wave Structured Swimsuit

Madwell Second Wave Structured Swimsuit — Courtesy of Shopbop

It doesn’t get much simpler—or more chic—than a little black swimsuit for the beach or pool, and Madewell’s structured take on the classic is eco-friendly to boot. Like the rest of the company’s Second Wave swim collection, it’s made from recycled plastic (in this case, equivalent to 14 water bottles). But it’s not just made right, it’s designed well, too: you get all the support of cups with this swimsuit without the underwire—and it works just as well as a bodysuit as it does a swimsuit. Just keep in mind it works best for those with busts that aren’t so big; anyone requiring a lot of support might have to check out one of the other ones on this list.

15 of 15

Best Retro Style: Solid & Stripe The Nina Belt Marigold Squiggle

Solid & Stripe’s The Nina swimsuit will lend your vacation wardrobe some serious James Bond vibes, and when a suit’s this cute, we’re not mad about it. The bright shade of marigold is as sunny as the weather on the beach, and the white waist belt—while admittedly not the most aerodynamic for swimming laps—gives the one-piece a splash of retro detailing. Straps are adjustable—the better for a small case of sunburn—while the back of the suit provides full coverage.

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