Best Adjustable Strap Maternity One-Piece Swimsuits of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 9 Feb 2025

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Expecting mothers can now enjoy a comfortable and stylish swim with these adjustable strap maternity one-piece swimsuits. Designed with stretchable and breathable fabric, these swimsuits provide the perfect fit for changing body shapes during pregnancy. The adjustable straps offer extra support and can be altered to suit personal preferences. With a range of colours and patterns available, these swimsuits are perfect for any mum-to-be who wants to feel confident and comfortable while enjoying a swim.

At a Glance: Our Top Picks

EastElegant Maternity One Piece Swimwear with Adjustable Straps Cover #TOP 1
EastElegant Maternity One Piece Swimwear with Adjustable Straps
ftb score rating icon 9.8
Charmo Maternity Ruffle Swimsuit with Adjustable Straps Cover #TOP 2
Charmo Maternity Ruffle Swimsuit with Adjustable Straps
ftb score rating icon 9.7
CUPSHE Maternity One Piece Swimsuit Dark Blue Cover #TOP 3
CUPSHE Maternity One Piece Swimsuit Dark Blue
ftb score rating icon 9.5

Top 10 Adjustable Strap Maternity One-Piece Swimsuits

#TOP 1

EastElegant Maternity One Piece Swimwear with Adjustable Straps

EL-MP-001
Black
EastElegant Maternity One Piece Swimwear with Adjustable Straps Cover
EastElegant Maternity One Piece Swimwear Pregnancy Front Cross Bathing Suits with Adjustable Shoulder Straps, Black, XXL

The EastElegant Maternity Swimwear is crafted from soft, quick-drying fabric that ensures comfort and durability for long-term use. Its loose design around the abdomen alleviates pressure on your growing belly, allowing you to feel at ease while enjoying your time by the water. The front cross design effectively highlights your figure, ensuring you look great. Additionally, the double adjustable shoulder straps provide stability, giving you confidence while swimming or lounging.

What We Like
Soft, breathable fabric
Comfortable loose design
Flattering front cross style
Stable adjustable straps
#TOP 2

Charmo Maternity Ruffle Swimsuit with Adjustable Straps

Teal/ Ruffle
Charmo Maternity Ruffle Swimsuit with Adjustable Straps Cover
Charmo Women Maternity Swimsuit Ruffle Pregnancy Swimming Costume Adjustable Straps Cut Out Swimwear Teal M

The Charmo Maternity Swimsuit offers a delightful blend of style and comfort for expectant mothers. The tied knot design at the front and back makes it easy for you to put on and take off, ensuring convenience during your beach outings. With a double-layered neckline, you can adjust the square or deep v-neck to your preference, allowing for a personalised fit. The ruffle design not only adds a cute touch but also helps cover any shoulder areas you might want to disguise. Made from soft, skin-friendly fabric, this swimsuit is perfect for all-day wear in the sun.

What We Like
Convenient tied knot design
Adjustable double-layered neckline
Stylish ruffle details
Comfortable, skin-friendly fabric
Versatile for various occasions

CUPSHE Maternity One Piece Swimsuit Dark Blue

DKA12E2D003TTXL
Dark Blue
CUPSHE Maternity One Piece Swimsuit Dark Blue Cover
CUPSHE Maternity Swimsuit for Women One Piece Swimsuits Pregnancy Swimwear Spaghetti Straps Ruched Adjustable Dark Blue XL

The CUPSHE Maternity Swimsuit is designed with comfort and style in mind. Its spaghetti straps and deep V neck detail provide a flattering silhouette while allowing you to adjust the fit for optimal support. The removable padded cups add versatility, letting you customise your level of comfort. Its ruched design enhances your body shape, ensuring you feel confident during your tropical vacations, beach outings, or pool days. This swimsuit is perfect for new mothers or women who love stylish swimwear.

What We Like
Adjustable spaghetti straps
Removable padded cups
Flattering ruched design
Perfect for tropical vacations
Available in various sizes
#TOP 4

Charmo Women's Padded Maternity One Piece Swimsuit

Black/Scallop
Charmo Women's Padded Maternity One Piece Swimsuit Cover
Charmo Women Padded Maternity One Piece Swimsuit Scalloped Trim Ruched Pregnancy Swimwear Black M

The Charmo Maternity Swimsuit is designed with comfort and style in mind. Its scallop trim adds a charming touch, ensuring you look fashionable while enjoying the water. The adjustable straps provide a perfect fit, making it easy for you to put on and take off, which is especially helpful during pregnancy. With removable pads, you can customise the support to suit your needs, ensuring you feel comfortable and secure. Made from soft, skin-friendly fabric, this swimsuit prioritises your comfort while offering a stylish option for various occasions.

What We Like
Stylish scallop trim
Adjustable for comfort
Customisable removable pads
Soft, skin-friendly fabric
#TOP 5

CUPSHE Women's Maternity One Piece Swimwear

DKA12E4E003RRS
Moss Green
CUPSHE Women's Maternity One Piece Swimwear Cover
CUPSHE Women's Maternity One Piece Swimsuit Tummy Control Swimwear Ruched Lace V Neck Adjustable Straps Swimming Costume Moss Green S

The CUPSHE Maternity Swimsuit is designed with a flattering lace v neck and ruched detailing, ensuring you look and feel great during your pregnancy. The adjustable wide straps provide added comfort, making it suitable for long days by the pool or beach. With removable padded cups, you can customise your support to suit your needs. The swimsuit is perfect for tropical vacations or summer outings, making it an ideal gift for mothers, wives, or girlfriends who enjoy swimming and sunbathing.

What We Like
Flattering ruched design
Adjustable wide straps
Removable padded cups
Perfect for summer holidays
Available in various sizes
#TOP 6

SHEKINI Off-Shoulder Maternity Swimwear

1168
Black
SHEKINI Off-Shoulder Maternity Swimwear Cover
SHEKINI Maternity Swimsuits Off-Shoulder One Piece Swimwear Ruffled Flounce Pregnancy Bathing Suit, Black, Medium

The SHEKINI Maternity Swimsuit is designed for comfort and style during pregnancy. Made from breathable and lightweight fabric, it feels smooth against your skin, ensuring you stay comfortable while enjoying water activities. The off-shoulder ruffle design highlights your upper body curves, making you feel charming and confident. With adjustable and removable shoulder straps, you can customise the fit to your liking, while the removable soft padding provides natural support for your chest, enhancing your comfort.

What We Like
Breathable, lightweight fabric
Charming ruffle design
Adjustable, removable straps
Soft padding for support
#TOP 7

Amazon Essentials Women's Maternity V-Neck Swimsuit

Amazon Essentials
AEWSW01SS23
Deep Blue
Amazon Essentials Women's Maternity V-Neck Swimsuit Cover
Amazon Essentials Women's Maternity V-Neck Swimsuit, Deep Blue, 20

The Amazon Essentials Maternity Swimsuit offers a snug fit with built-in ruching, ensuring comfort during your pregnancy. Its design allows for a comfortable experience whether you are lounging by the pool or enjoying the ocean. The internal soft liner provides extra coverage, making you feel secure while swimming. Additionally, the side seam ruching flatters your bump and grows with you. With removable cups and adjustable straps, you can customise the fit to your liking, enhancing your overall comfort.

What We Like
Comfortable fit throughout pregnancy
Flattering design for your bump
Adjustable straps for personalised fit
Soft liner for extra coverage

SHEKINI Maternity One Piece Swimsuit with Skirt

11361
Olive Green
SHEKINI Maternity One Piece Swimsuit with Skirt Cover
SHEKINI Maternity One Piece Swimsuit V Neck Pregnancy Swimwear Crossover Bathing Suit with Skirt, Olive Green, X-Large

The SHEKINI Maternity Swimsuit is crafted from elastic fabric that offers excellent stretch, ensuring a soft and comfortable fit throughout the day. With its flattering V-neck and twist side design, this swimsuit enhances your style while providing support with its padded bra and adjustable spaghetti straps. The backless feature adds a trendy touch, while the side slits lend a playful vibe. Designed to accommodate your growing belly, it provides ample room to keep you confident and stylish during your pregnancy.

What We Like
Soft and comfortable fabric
Flattering and stylish design
Adjustable straps for better fit
Accommodates growing belly
Suitable for various water activities
#TOP 9

EastElegant Maternity One Piece Swimsuit in Blue

EastElegant Maternity One Piece Swimsuit in Blue Cover
EastElegant Women's Maternity One Piece Swimsuit, Blue, L

The EastElegant Maternity Swimsuit is designed with your comfort in mind. Its unique diamond relief printing fabric provides stability and a soft feel, perfect for your changing body. The back-tied feature and scalloped trim add a stylish touch while ensuring a secure fit. With a loose abdomen design, this swimsuit minimises pressure on your baby bump, and the ruched sides offer additional space as your pregnancy progresses. Plus, adjustable shoulder straps give you the option of cross-back style for added support.

What We Like
Comfortable special fabric
Stylish scalloped trim
Loose design for belly support
Adjustable shoulder straps
#TOP 10

SUMMERSUNSHINE Maternity One Piece Swimwear

Pink, Black
SUMMERSUNSHINE Maternity One Piece Swimwear Cover
SUMMERSUNSHINE Maternity One Piece Swimwear Front Cross Pregnancy Swimsuit Bathing Suit Maternity Bikini, Pink Black, Medium

The SUMMERSUNSHINE Maternity Swimsuit is designed with your comfort in mind. Made from high-quality stretchy fabric, it ensures a soft and comfortable fit for expectant mothers. The front cross design accentuates your figure while the removable padding bra offers both comfort and a flattering shape. Adjustable shoulder straps provide stability, ensuring the swimsuit stays securely in place during all your activities, whether at the beach, pool party, or engaging in water sports. Additionally, the shirred sides beautifully accommodate your growing baby bump.

What We Like
Soft and comfortable fabric
Flattering front cross design
Adjustable shoulder straps
Accommodates growing baby bump
Versatile for various activities
Buying Guide Image
Editor's Notes

During our adjustable strap maternity one-piece swimsuit research, we found 59 adjustable strap maternity one-piece swimsuit products and shortlisted 10 quality products. We collected and analyzed 8,572 customer reviews through our big data system to write the adjustable strap maternity one-piece swimsuits list. We found that most customers choose adjustable strap maternity one-piece swimsuits with an average price of £24.77.

The adjustable strap maternity one-piece swimsuits are available for purchase. We have researched hundreds of brands and picked the top brands of adjustable strap maternity one-piece swimsuits, including EastElegant, Charmo, CUPSHE, SHEKINI, SUMMERSUNSHINE. The seller of top 1 product has received honest feedback from 15 consumers with an average rating of 4.6.

Written by
John Zimmer Avatar

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.