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16 Best Bikinis for a Small Bust

16 Best Bikinis for a Small Bust

Part of finding sexy designer swimwear is fitting the swimsuit to your body shape, not the other way around. A few of the best bathing suits for small bust support include triangle, bandeau, mermaid cut, and scoop neck cuts. Each is uniquely flattering and has features that offer a natural boost or the illusion of curves without being too revealing or overwhelming for a small chest.

With so many colors, patterns, and beautiful details to choose from, it can be challenging to narrow down the options. Whether you need a sexy two-piece swimsuit for a beach date outfit or trendy bikini sets for your spring break outfits, we’ve selected 16 of our best sellers and seasonal favorites as inspiration for adding to your swimsuit collection.

Classic Triangle Bikinis with a Modern Twist

A triangle swimsuit is one of the best bikini tops for a small bust. It’s quintessential cut and adjustable straps can accommodate the level of support you need. Fortunately, since it’s such a popular option, there are several bikini colors and designs available. Among the best triangle tops for small bust support are the Cobalt Beads Triangle Bikini, France Bia Tube Bikini, Black Firenze Fringe Triangle Bikini, and Petit Lace Bikini.

Cobalt Beads Triangle Bikini

The vibrant blue hue of the Cobalt Beads Triangle Bikini makes this stunner an instant favorite. The unique beaded straps add texture to the bikini top, drawing attention upward. A tie-string back adds to the tastefully sexy appeal of a favored swimsuit style that fits any occasion. 

France Bia Tube Bikini

The gorgeous, tie-dye effect of the France Bia Tube Bikini is a playful addition to your swimsuit wardrobe with a mix of colors and special details, including 24-karat gold-plated sliders at the hips. It works as swimwear for small busts because its banded-seamless style provides the subtle illusion of an hourglass figure. Plus, the thicker, halter straps offer a natural lift, creating a flattering silhouette.

Black Firenze Fringe Triangle Bikini 

The Black Firenze Fringe Triangle Bikini adds volume to the chest in a stylish way. It’s a contemporary twist on the go-to black bathing suit. The minimal tie-string bikini back paired with bottoms that sit high on the hips creates great balance for this look. And, the top pairs perfectly with your favorite designer sarong wrap for time spent on and off the beach.

Petit Lace Bikini

The intricate red and white pattern and the shoulder-tie top of the Petit Lace Bikini is another way to add volume to the bust without overwhelming the shape. It’s a purely feminine look that offers a hint of sweetness to an otherwise sultry two-piece swimsuit. The thick side coverage at the waist balances out the smaller cut of the bikini top for a fun and flirty daytime look.

Sexy Bandeau Bikinis in Flirty and Retro Styles

The best swimsuit for small bust sizes is arguably the bandeau bikini. Bandeau bikini tops are favorites among small-busted women as they’re not as concerned about accidental exposure or lack of support. 

When it comes to designer bikinis for women, The strapless styles of bandeau bikinis range from a seamless fit to the addition of a ruffled element and everything in between. While the cut remains the same, the back straps, bottom, color, and pattern of a bikini set make a difference when choosing your next style. Top choices in this category include the Malta Amy Bandeau Bikini, Lilac Firenze Belle Bikini, Lola Bandeau Bikini, and the Sprite Georgia Bikini. 

Malta Amy Bandeau Bikini

The striking color combination of black, white, and mint that make up the Malta Amy Bandeau Bikini is a sophisticated update on the staple bandeau style. A seamless finishing and thick side coverage on the hips offer a fresh look that’s ideal to wear on your next resort vacation. Pair with a black cover-up and resort sandals as you head to and from the beach in style. 

Lilac Firenze Belle Bikini

Lilac is a fresh and flirty color update from the soft pinks or blush colors that are popular in bikini styles. The added ruffle of the top and bottom of the Lilac Firenze Belle Bikini also adds the extra sense of style that takes this design up a level. Plus, the unique micro-crinkle fabric adds texture and a bit of volume to emphasize a smaller bust in a subtle way. 

Lola Bandeau Bikini

Timeless, sophisticated, and classy are just a few of the ways to describe the look of the Lola Bandeau Bikini. The deep burgundy fabric dotted with light pink dots is a chic color combination that lends itself nicely to the retro feel of the high-rise bikini bottoms and minimal coverage on the top. It’s an elegant option to take with you on your next beach getaway and will stay on trend season after season.

Sprite Georgia Bikini

The electric green color of the Sprite Georgia Bikini invites an upbeat mood of fun in the sun. It’s one of the best bikinis for small bust sizes with an intricate bandeau top and a keyhole cutout. The addition of the flirty one strap provides allure with a stylish edge. The seamless finish of this bikini top in conjunction with the thick side coverage at the hips of the standard bottom make this the perfect swimsuit for the adventurer in you.

Mermaid Cut Bikinis Elevate the Standard Underwire Swimsuit

The mermaid cut bikini is a hot trend that elevates the everyday underwire swimsuit. The underwire bikini’s top and cup echo the look of a seashell by fully cupping the breast, offering more support and coverage than your average underwire style.


It’s a flattering swimsuit for small bust support because it offers a subtle cup size enhancement for women who have smaller chests. Among the choices that take a cue from the mermaid cut trend are the Vanilla Dune Nissi Bikini, Divino Maia Bikini, Lime Dune Luli Bikini, and the Bubble Gum Erin Knot Bikini.

Vanilla Dune Nissi Bikini

The blush color of the Vanilla Dune Nissi Bikini adds a sweet touch to the modern style. The horizontal ribbed fabric weaves in texture to the bathing suit and the cups offer ample coverage without overwhelming a smaller bust. It’s a flirty, feminine look fantastic for a day at the beach or an afternoon lounging by the pool.

Divino Maia Bikini

With inspiration drawn from the coverage of a mermaid cut, the Divino Maia Bikini adds its own flair to fuller cup coverage. The rich, crimson hue and fashionable ties at the center of the top and on the bottom sides add another element of style to this trendy cut. 

Lime Dune Luli Bikini

As with the Vanilla Dune Nissi Bikini, the Lime Dune Luli Bikini offers the same ribbed fabric, providing depth to this eye-catching, lime green swimsuit. It dips lower while still providing full cup coverage for an of-the-moment upgrade that creates a silhouette ideal for flattering swimwear for small busts. 

Bubble Gum Erin Knot Bikini

When you’re feeling extra sassy, the Bubble Gum Erin Knot Bikini is the way to go. The bright pink color and knot in the middle of the top add a spin on a mermaid or underwire cut. The hue speaks for itself as a striking swimsuit option, and the details make a difference in creating a hint of curves both on the top and bottom. 

Scoop Neck Bikinis for a Fresh, Simplistic Look

Another category of the best bikinis for small bust sizes is the scoop neck. A bikini with a scoop neckline is comfortable and stylish, while providing the right amount of support and coverage for everyday wear. It’s a perfect swimsuit fit for small busts, especially when being active.

Play around with colors and patterns when considering your next scoop neck swimsuit and mix and match bikini bottoms to create even more swimwear options. Styles that’ll make sure you’re surf-and-sand ready are the Tahiti Luli Elis Parallel Bikini, Black Milano Iris Eyelet Retro Bikini, Pink Scales Margot Bikini and the Fiore Iris Bikini.

Tahiti Luli Ellis Parallel Bikini

Ready for your next tropical escape? The Tahiti Luli Ellis Parallel Bikini is a must have option for swimwear due to its stunning, sea green hue. The intricate, hand-wrapped beaded detail on the top and bottom adds an extra element of style to the simplistic beauty of this tropical-inspired swimsuit. 

Black Milano Iris Eyelet Retro Bikini

For a flattering swimsuit option with a throwback element, the Black Milano Iris Eyelet Retro Bikini is a classic choice that adds a few significant elements to the scoop neck bikini style. The vertical ribbed texture and high-waisted bottoms are flattering for all body types and provide extra coverage for those who have a day planned full of activity.

Pink Scales Margot Bikini 

The Pink Scales Margot Bikini adds a delicate appeal to the scoop neck style. The subtle ruffle detailing paired with the fine scale fabric delivers more than meets the eye for this pink bikini. It embodies a boho chic style that looks lovely with loose, flowy white pants or a chic cover up when hanging out near the water.

Fiore Iris Bikini

When you want a pop of color and a flowery pattern, the Fiore Iris Bikini offers the best of both worlds. The dramatic contrast of the red and pink flowers against a chic blue-grey background offers a unique combination that’s the ultimate in style and sophistication. The thicker banding along the top of the scoop neckline offers coverage and slight volume to a small bust.

With changing trends and rotating colors season after season, you’ll always have endless options when it comes to updating your swimwear. No matter your bust size, shape, style preference, or mood, there’s always a bikini perfectly suited for the situation. 


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