Best Maternity One-Piece Swimsuits of 2026

Mary Hopper Avatar
Mary Hopper
Last Updated: Jan 28, 2026

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Maternity one-piece swimsuits are a great option for pregnant women who want to enjoy the pool or beach while feeling comfortable and supported. These swimsuits are designed with extra stretchy and breathable materials to accommodate a growing belly and provide ample coverage. Many styles also feature ruching or gathering along the sides to flatter the figure and provide additional room for the bump. Some maternity swimsuits also come with built-in bras or cups for added support. With a variety of colors and patterns to choose from, expectant mothers can feel confident and stylish while enjoying some fun in the sun.

At a Glance: Our Top Picks

Blooming Jelly Plus Size Swim Dress Cover #TOP 1
Blooming Jelly Plus Size Swim Dress
ftb score rating icon 9.9
CUPSHE Maternity One Piece Swimsuit Cover #TOP 2
CUPSHE Maternity One Piece Swimsuit
ftb score rating icon 9.8
OYOANGLE Women's Maternity One Piece Swimsuit Cover #TOP 3
OYOANGLE Women's Maternity One Piece Swimsuit
ftb score rating icon 9.6

Top 10 Maternity One-Piece Swimsuits

#TOP 1

Blooming Jelly Plus Size Swim Dress

Black
XX-Large Plus
Blooming Jelly Plus Size Swim Dress Cover
Blooming Jelly Women Plus Size Swim Dress Swimsuits One Piece Maternity Tummy Control Bathing Suit XXL, Black

The Blooming Jelly Swim Dress is designed for comfort and style. Made from a soft and stretchy fabric, it ensures a great fit while you enjoy your time in the sun. The adjustable straps and removable padded bras allow you to customize the fit for maximum comfort. With its flattering ruched detail and feminine v-neck, this swimsuit enhances your curves, making you feel confident. Plus, the built-in bottom swim skirt provides extra coverage and privacy, letting you move freely without worrying about the skirt floating up.

What We Like
Flattering fit
Strong tummy control
Supportive for larger busts
Adjustable, thick straps
Variety of colors and designs
What We Don't Like
Bust padding preference
Bottom coverage could improve
#TOP 2

CUPSHE Maternity One Piece Swimsuit

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Black
Medium
CUPSHE Maternity One Piece Swimsuit Cover
CUPSHE Maternity Swimsuit for Women One Piece Swimsuits Pregnancy Swimwear Spaghetti Straps Ruched Adjustable,M Black

The CUPSHE Maternity Swimsuit is designed specifically for expectant mothers. It features adjustable spaghetti straps and a deep V-neck, providing both support and style. The ruched design ensures a better fit as your body changes during pregnancy. You’ll also appreciate the removable padded cups, allowing you to customize your comfort. This swimsuit is perfect for a variety of occasions, such as tropical vacations, beach outings, or pool days, making it a great addition to your maternity wardrobe.

What We Like
Comfortable fit
Adjustable straps
Good belly support
Flattering style
Secure coverage
What We Don't Like
Minimal bottom coverage
Slightly tight for large bust
#TOP 3

OYOANGLE Women's Maternity One Piece Swimsuit

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Black and White
Medium
OYOANGLE Women's Maternity One Piece Swimsuit Cover
OYOANGLE Women's Maternity One Piece Swimsuits Cut Out Spaghetti Strap Pregnancy Bathing Suits Swimwear Black and White Medium

The OYOANGLE Maternity Swimsuit is designed with soft, stretchy, and breathable fabric to keep you comfortable during your beach trips or pool days. Its adjustable straps let you customize the fit as your body changes, providing support without discomfort. The high-cut design and wireless, removable padding offer both style and convenience, making it easier for you to move freely while maintaining a flattering shape. This swimsuit is perfect for pregnant women looking for a comfortable and fashionable option for vacations, water parks, or any swimming activity.

What We Like
Adorable floral design
Full coverage bottom
Supportive top fit
Comfortable, stretchy fabric
Room to grow for pregnancy
What We Don't Like
Slight tightness for some
Minor scratchy stitching
#TOP 4

CUPSHE Maternity Scoop Neck One-Piece Swimsuit

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Green
Large
CUPSHE Maternity Scoop Neck One-Piece Swimsuit Cover
CUPSHE Maternity One Piece Swimsuit Scoop Neck Pregnancy Bathing Suit for Women Wide Straps Criss Cross Back Tie Ribbed, L Green

The CUPSHE Maternity One-Piece is designed with your comfort and style in mind during pregnancy. Its scoop neckline and wide straps provide extra support and a flattering fit, making it easier for you to move and feel secure. The ribbed texture adds a classic, retro look that helps you stand out at the beach or pool. The criss-cross back tie lets you adjust the fit to your liking, ensuring the swimsuit stays comfortable as your body changes. Plus, the removable soft cups offer added support and convenience, so you can customize your comfort throughout your pregnancy.

What We Like
Soft, stretchy material
Supportive and comfortable fit
Room for belly growth
Flattering shape
Thick, non-see-through fabric
What We Don't Like
Tight for pear-shaped bodies
Limited color options
#TOP 5

Summer Mae Maternity Swimsuit One Piece Bathing Suit

YZ-SMYF279-K0-M
Black
Medium
Summer Mae Maternity Swimsuit One Piece Bathing Suit Cover
Summer Mae Maternity Swimsuit One Piece Bathing Suit Button Neck Cross Back Black M

Summer Mae Maternity Swimsuit offers detachable buttons on the neck, removable padding bras, cross-back design, modest coverage with tummy control, and ruched sides for perfect fit. It is suitable for breastfeeding and fully lined with unique design for maternity swimwear. It can be used for beach, pool, cruise, SPA, and summer vacation. Machine and hand washable. One should choose a larger size if they have a large bust or hips.

What We Like
Flattering fit and style
Comfortable for pregnancy
Good coverage (breasts, bump, rear)
Adjustable straps
Grows with belly
What We Don't Like
Material edges feel cheap
Color may differ from photos
#TOP 6

Charmo Ribbed Scalloped Maternity Swimdress Green

Green
Large
Charmo Ribbed Scalloped Maternity Swimdress Green Cover
Charmo Maternity One Piece Swimwear Scalloped Pregnancy Swimsuit Bathing Suit V Neck Pregnancy Swim Dress with Bottom Green

The Charmo Maternity Swimdress offers a comfortable and stylish option for moms-to-be. Made with soft ribbed fabric and lined with smooth milk silk, it feels gentle on your skin while stretching easily to fit your growing belly. Its loose-fitting design ensures minimal pressure on your bump, helping you stay comfortable all day. The swimdress features a built-in bottom with stretchy ruched sides, providing secure coverage during any activity. Elegant scalloped edges add a fashionable touch, making you look and feel great at the pool or beach. Plus, adjustable double straps and a removable padded bra offer extra support and confidence while you swim or relax.

What We Like
Soft ribbed fabric
Comfortable loose fit
Built-in secure bottom
Elegant scalloped trim
Adjustable supportive straps
#TOP 7

SUMMERSUNSHINE Maternity One Piece Swimsuit

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Black
Large
SUMMERSUNSHINE Maternity One Piece Swimsuit Cover
SUMMERSUNSHINE Maternity One Piece Swimwear Front Cross Pregnancy Swimsuit Bathing Suit Maternity Bikini Black L

The SUMMERSUNSHINE Maternity One Piece Swimsuit is made of high-quality stretchy fabric that is soft and comfortable. Its front cross design highlights your body figure, and the ruched sides flatter your growing baby belly. The swimsuit comes with removable padding bra that is comfortable and still flattering. It is suitable for various occasions such as vocation, beach, pool party, and water sports. Dry cleaning or hand washing with cold water is suggested for washing.

What We Like
Great support for large bust
Stretchy and comfortable fit
Flattering and stylish design
Accommodates pregnancy growth
Good post-pregnancy wearability
What We Don't Like
Color fading after pool use
Sizing may run slightly large
#TOP 8

Charmo Black Square Neck One-Piece Maternity Swimsuit

1714
Black
Medium
Charmo Black Square Neck One-Piece Maternity Swimsuit Cover
Charmo Black Maternity Bathing Suit Square Neck Cutout One Piece Maternity Swimsuit Moderate Coverage Pregnancy Swimwear

The Charmo Maternity One-Piece offers a stylish and comfortable swimwear option for expectant mothers. Its adjustable tied knots at the front and back let you customize the fit around your chest, ensuring both security and a flattering look. Made with soft ribbed fabric outside and smooth milk silk inside, this swimsuit feels gentle on your skin and stretches easily to accommodate your growing belly. The playful ruffle shoulder straps add a cute touch while allowing you to adjust the length for a perfect, snug fit. Plus, the one-piece design includes a cutout for extra belly room and removable padded bras that provide steady support without losing shape. This swimsuit combines comfort, style, and practicality for pregnancy swimwear.

What We Like
Flattering fit and design
Soft, stretchy, supportive material
Adjustable straps and ties
Accommodates growing belly
Great coverage and comfort
What We Don't Like
Minor top adjustment needed
Slightly scratchy inner seams
#TOP 9

Summer Mae One Size Maternity Swimsuit

Dark
One Size
Summer Mae One Size Maternity Swimsuit Cover
Summer Mae Maternity One Piece Swimsuit Seamless One Size Fits S-XL Bathing Suit Ribbed U-Shaped Back Pregnancy Swimwear

The Summer Mae Maternity Swimsuit is designed to fit a wide range of body shapes and sizes, thanks to its stretchy one-size design, making it a great choice as your body changes during pregnancy. The high-elastic fabric offers both support and flexibility, so you can move comfortably without feeling restricted. Its classic one-piece style provides a timeless, elegant look perfect for any water-related activity, from relaxing at the beach to poolside fun. This swimsuit is also a thoughtful gift option for moms-to-be, ideal for various occasions like vacations, family gatherings, or casual swimming days.

What We Like
Great fit
Stretchy fabric
Vibrant color
Soft material
Lightweight design
What We Don't Like
Somewhat see through
Lacks compression
#TOP 10

Summer Mae Ribbed Maternity One Piece Swim Dress

Dark
Summer Mae Ribbed Maternity One Piece Swim Dress Cover
Summer Mae Ribbed Maternity One Piece Swim Dress Pregnancy Swimsuit with Built-in Bottom Swimwear Tie Knot Skirt Bathing Suit Dark 10

The Summer Mae Maternity Swimdress is designed with moms-to-be in mind, offering a stylish and functional swimwear option. Its adjustable tie knot skirt lets you customize the length and coverage, ensuring a comfortable fit as your body changes. The unique shell-stitched design not only adds an elegant look but also improves the swimsuit’s structure for a smooth, secure fit during activities. With an adjustable double strap back, you can easily find the right support and comfort level. The ribbed fabric hugs your curves and keeps the suit looking sleek, helping you feel confident at the pool, beach, or on vacation.

What We Like
Flattering fit and coverage
Stretchy, comfortable material
Adjustable straps
Room to grow during pregnancy
Supportive padding
What We Don't Like
Bra support could be better
Straps may feel tight
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What swimsuit is best for pregnancy?

Best Maternity Swimsuits. Motherhood Maternity striped halter one piece maternity swimsuit.HATCH the Antigua maillot.PinkBlush Maternity black scoop front low back ruched one-piece maternity plus swimsuit.Kindred Bravely nursing & maternity one piece wrap swimsuit.Splendid maternity one-piece halter swimsuit.

2. Can you wear a normal swimsuit when pregnant?

In your first trimester, you may be able to wear an ordinary bikini that ties at the side. You can tie the knots a little looser as your bump starts to grow. Choose a bikini with built-in support. Or if you have large breasts, it may be worth having a professional fitting for a fitted bikini top instead.

3. What size maternity bathing suit should I buy?

Finding the Perfect Fit A majority of maternity swimsuit brands base their sizing off of your pre-pregnancy size. For example, if you wear a size 2 pre-pregnancy, you'll wear a size 2 for that brand's maternity swimwear.

Editor's Notes

During our maternity one-piece swimsuit research, we found 48 maternity one-piece swimsuit products and shortlisted 10 quality products. We collected and analyzed 32,797 customer reviews through our big data system to write the maternity one-piece swimsuits list. We found that most customers choose maternity one-piece swimsuits with an average price of $36.99.

The maternity one-piece swimsuits are available for purchase. We have researched hundreds of brands and picked the top brands of maternity one-piece swimsuits, including Blooming Jelly, CUPSHE, OYOANGLE, Summer Mae, Charmo. The seller of top 1 product has received honest feedback from 869 consumers with an average rating of 4.9.

Written by
Mary Hopper Avatar

Mary Hopper is an Italian fashion designer with 10 years of extensive working experience in the fashion industry. She can design clothing and fashion accessories, such as handbags, backpacks, shoes, and jewelry. She is also a professionally trained content writer specializing in managing various fashion and beauty blogs.

Maternity One-Piece Swimsuits Comparison Table

#TOP1
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#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand Blooming Jelly CUPSHE OYOANGLE CUPSHE Summer Mae Charmo SUMMERSUNSHINE Charmo Summer Mae Summer Mae
Origin Imported Imported Imported Imported Imported Imported Imported Imported Imported Imported
Department womens womens womens womens womens - womens Women, Maternity womens womens
Closure type Drawstring Straps Pull On Drawstring Elastic Elastic Pull On Pull On - Elastic
Care instructions Hand Wash Only Do Not Tumble Dry Machine Wash - Hand Wash Only Machine Wash" or "Hand Wash Only Machine Wash - Hand Wash Only Machine washable with cold water. Do not bleach, tumble dry, or iron.
Fabric type 82% Nylon, 18% Spandex Materials: 80% Nylon, 20% Spandex 80% Polyamide,20% Elastane Material: 92%POLYESTER, 8%SPANDEX - 92% Polyester, 8% Spandex 82% Polyamide, 18% Spandex 92%Polyester 8% Spandex - -
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.6
ftb score rating icon 9.4
ftb score rating icon 9.3
ftb score rating icon 9.1
ftb score rating icon 8.9
ftb score rating icon 8.9
ftb score rating icon 8.7
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