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The Best Swimsuits for Big Busts Are Just As Cute As They...
Megan Schaltegger · 2026-06-25 · via Latest Content - Cosmopolitan

Prime Day Deal

Slender Suit Wrap One Piece Swimsuit

I can't get over how freaking great this swimsuit looks and feels on my body, which is something I never thought I'd say, considering how hard it is to find a swimsuit with big boobs. It's also quite *literally* one of the most size-inclusive suits I've come across, as it offers a million different lengths, sizes, and bust options. But the real secret behind this reviewer-loved one-piece? Land's End's signature Slendertex® fabric compresses your body so you feel secure and smooth, yet it doesn't affect your comfort level. It's a type of magic I can't put into words, so you're just going to have to trust me and try it for yourself.

Sizes4-24
Cup RangeUp to G
MaterialNylon/Spandex

Tummy Control One Piece Swimsuit

Amazon testers are brutally honest, so you best bet you'll get the straight-up truth when shopping there. That's why when you see a product with an almost perfect rating from thousands of reviewers, like this swimsuit, you can pretty much bet you've found a hidden gem. I put my faith into the hands of said Amazon reviewers and ordered this swimsuit. One two words: Un-freaking-believable. My boobs have never stayed in place like they did in this suit—I didn't even have to readjust once!

Sizes6-18
Cup RangeN/A
MaterialNylon, Elastane

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Curve Love Wide Strap Underwire Bikini Top

If you have a larger bust and smaller ribcage (hi, it me), this Abercrombie suit is calling your name. Designed for those who wear a D to F cup and have a proportionally smaller band size, this shimmery bb has adjustable tie straps, unlined cups, and an easy back hook detail that I find really key for a personalized fit. Plus, it comes in two shades and matches *perfectly* with the Cinch Tie High-Waist High-Leg Cheeky Bottom.

SizesXXS-XL
Cup RangeN/A
MaterialNylon, Elastane

Front-Twist Bathing Suit

You don't have to shell out big bucks to get a supportive suit. Enter: this genius one-piece from Hilor, which comes with soft molded bra cups and a twist-front sweetheart neckline that'll keep ya feeling secure all day long. You'll also love the adjustable straps, ruched center panel, and huge variety of color options.

Sizes6-16
Cup RangeN/A
MaterialNylon, Spandex

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Eco Essentials Cross Front Multifit Bra

Complete with built-in cups and side boning for shape and support, this twist-front top from Sea Level (which comes in half-a-dozen colorways) is such a good choice for folks with larger busts. Other fab features include the supportive powermesh lining, adjustable and convertible straps, and matching Mid Bikini Bottoms—though because of the design and fabric, you can easily mix and match bottoms.

Material: 85% Recycled Nylon, 15% ElastaneSizes: 28-38, D-F

Sizes4-18
Cup RangeN/A
MaterialNylon, Elastane

The Tulum One Piece

If you're looking for a must-have basic that can double up as a bodysuit, this is your suit! Available in four colors and either a smooth or ribbed design, this Baywatch-esque suit from Andie offers maximum bust support with its underbust seam, removable cups, and thick cross-back straps.

SizesXS-XXXL
Cup RangeN/A
MaterialNylon, Spandex

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Smoothies Solo D-F Cup Bikini Top

Another great choice for folks with larger busts is this underwire bikini top from Body Glove, which features power mesh and adjustable two-way back straps to keep your girls in place (and, yep, the matching bottoms are just as supportive). It comes in a huge variety of color options, and don't be surprised if you're tempted to snag 'em all.

SizesN/A
Cup RangeD-F
MaterialNylon, Spandex

The Sidestroke

The internet-famous Summersalt Sidestroke is beloved for its compressive fit, full butt coverage, and super-flattering diagonal seaming—not to mention its impressive boob support. There's a reason why this suit has earned a cult following, and if you haven't tried it for yourself yet, then the time is now.

Sizes0-24
Cup RangeN/A
MaterialRecycled Polyamide

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Hayden Bikini Top

I've been searching for a push-up swim top that makes me feel supported, keeps the girls in the *perfect* spot without overdoing it, and is equally as cute as it is functional. Alas, I was introduced to Montce swim—i.e., the most adorable swimsuit line that flatters my large chest and makes me feel secure. The "Hayden" top is my fave thanks to the wide, adjustable straps and back closure, the cute sweetheart neckline, and the side seam boning for extra security. Oh, and did I mention Taylor Swift was spotted in another style from Montce while vacationing with Travis Kelce?!

SizesXS-Curve 3
Cup RangeN/A
MaterialRecycled Polyamide, Elastane

Aruba One Piece

There's no denying this one-piece suit from Monday Swimwear is sexy AF. Boasting a deep V-neckline and super-wide shoulder straps, I absolutely love this versatile bb for its adjustable bust coverage and supportive waist panel, which is designed to flatter all kinds of bodies. It's available in black and ivory, and it's well, well worth the investment—trust me, I own it myself.

Material: 82% Nylon, 18% SpandexSizes: 28-40, A-G

Sizes28-40
Cup RangeA-G
MaterialNylon, Spandex

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Island Goddess Multi-Strap Cross-Back One-Piece

It doesn't get much better than this big bust-friendly one-piece from La Blanca. Available in tons of bright colors, this suit features a sexy plunging neckline, removable cups, built-in tummy control panels, moderate butt coverage, and a fun multi-strap cross-back design—not to mention SO many color options.

Sizes30-44
Cup RangeA-DD
MaterialNylon, Elastane

Always Fit Underwire Bikini Top

If you're lookin' for the perfectwhite bathing suit for your bridal festivities or next vacation, check out this one from Good American. From its iconic 'Always Fits' line that was made to adapt to your ever-changing body, this underwire bikini top is available in sizes up to 5XL, features stretchy elastane-blend fabric, and adjustable straps. Oh, and did I mention that you won't have to worry about it being see-through thanks to the lining?! *Drops mic, adds to cart*

SizesXS-5XL
Cup RangeN/A
MaterialPolyester, Spandex

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Swim Halter One Piece

This plunging V-neck one-piece actually holds up big busts (rare for a plunging silhouette) and will give you the most flattering shape thanks to a comfortable compression fabric. Bonus points: you can tighten the adjustable straps for even more support.

SizesXS-3XL
Cup RangeN/A
MaterialNylon, Elastane

High-Waisted Swimsuit

Wide straps? Check. Removable padded bra? Check. Thick bottom band? Check. This 'kini from Yonique has everything you need to keep big boobs under control—plus, it comes with full-coverage bottoms that feature lattice mesh panels and built-in tummy control, and you can get it in *SO* many color options.

Sizes12-22
MaterialNylon, Spandex

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How to choose the best swimsuits for large busts

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Just like when you're shopping for any type of bra, you want to think about how much support you'll need and what kind of activities you'll be doing while frolicking on the beach or at the pool. A few things to keep in mind as you shop:

Consider the style

While compressive swim tops (which work by pressing your breasts firmly to your chest to restrict movement) may work well for smaller chests, those with a larger bust should ideally look for swimsuits with built-in cups that separate and hold your boobs in place. Oh, and if you want to support and lift, then it's best to find a style with an underwire, which helps to create a perkier silhouette.

Check out the straps

Straps are key when it comes to support, and typically, a thicker strap means more stability and less movement (not to mention that thinner straps are far more likely to dig into your shoulders or neck). If you have a bigger bust, then you probably also want to look for straps that are wide, adjustable, and—ideally—convertible, so you can customize your fit and make sure they stay firmly in place.

Find the right fit

Shopping for swimwear online can be tricky, especially if you're someone with big boobs. While browsing, consider whether you'd like a compressive or more relaxed fit, then read reviews to see if you should size up, down, or go with your regular bra size. The best swim tops and one-pieces tend to be those that are fully adjustable so you can customize your fit as needed (which is especially important if you're someone with a larger bust and smaller ribcage).

Why trust Cosmopolitan?

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Cosmo’s team of digital fashion experts have decades of combined experience in the industry. They spot relevant trends on the runway before they even hit your TikTok FYP or Insta Explore Page and conduct research across retailers of all kinds—testing many brands IRL—to bring you the best clothing and accessory picks for every season. Basically, we’ve curated the internet to bring you the chicest options like it’s our job (because it is, heh).

Each of our shopping articles adheres to the 15 Percent Pledge and includes products for all sizes. The best swimsuits for big busts were chosen based on style, support, comfortability, popularity, personal recommendations, and so many reviews to put together this shoppable list of the very best for you!

Headshot of Megan Schaltegger

Megan Schaltegger is an NYC-based writer. She loves strong coffee, eating her way through the Manhattan food scene, and her dog, Murray. She promises not to talk about herself in third person IRL.

Headshot of Siena Gagliano

Siena Gagliano is the associate editor at Cosmopolitan, where she primarily covers beauty, fashion, travel, and lifestyle. Wanna know how to get the best brows of your life? gotchu. What about how to find the best fashion deals of the season, the softest sheets on the market, or exactly how to use retinol without irritating your skin? Check, check, and check. Before joining Cosmopolitan, Siena was a writer at Bustle and several other media outlets. As her 2024 goal, she has vowed to find the best (extra) dirty martini NYC has to offer—and yes, that means ~attempting~ to try every cute cocktail spot in the city (hit her up with some recs, pls). Follow Siena on Instagram for a behind-the-scenes look at that magazine life.

Headshot of Corinne Sullivan

Corinne Sullivan is an Editor at Cosmopolitan, where she covers a variety of beats, including lifestyle, entertainment, relationships, shopping, and more. She can tell you everything you need to know about the love lives of A-listers, the coziest bedsheets, and the sex toys actually worth your $$$. She is also the author of the 2018 novel Indecent. Follow her on Instagram for cute pics of her pup and bébé.