Best 16 Maternity One Piece Swimsuits in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for 16 Maternity One Piece Swimsuits

Maternity Swimsuit One Piece Bathing Suit Off Shoulder Flouncing Bikinis Tankini Beachwear Navy Blue L
#TOP1
Maternity Swimsuit One Piece Bathing Suit Off Shoulder
9.6
PM SCORE
Maternity Bikinis Tankini Off Shoulder Flouncing Swimsuit One Piece Beachwear Black 3XL
#TOP2
Maternity Bikinis Tankini Off Shoulder Flouncing Swimsuit One
9.6
PM SCORE
Maternity Bikinis Tankini Floral Flouncing Swimsuit One Piece Beachwear Blue with Pink Flower L
#TOP3
Maternity Bikinis Tankini Floral Flouncing Swimsuit One Piece
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best 16 Maternity One Piece Swimsuits of 2026

Market Overview
16 Maternity One Piece Swimsuits Reviewed
  • Reviews Analyzed: 18243 Items
  • PM Avg. Rating: 7.2 / 10
20 Products Evaluated
  • Highest Price: $31.99
  • Lowest Price: $9.99
  • Avg. Price: $25.71

Maternity Swimsuit One Piece Bathing Suit Off Shoulder Flouncing Bikinis Tankini Beachwear Navy Blue L

BHOME
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Size fit for Bust (S) 36-37.5in (M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in (XXXL) 44-45.5in ;Please choose one size up, if you are in the THIRD trimester

Featured with padded cups on bust and adjustable shoulder straps for all-round support, and ruched sides to flatter your growing baby belly;

Two styles for you to choose-black ruffle trim one piece and floral two pieces, a fashion and nice choice for beach wear,cruise,trip,swim;

82%polyamide 18%elasthan, our maternity swimsuits are made of soft, comfortable, safety fabric, can direct contact to skin;

Dry Clean or Hand Wash Cold, Non-Chlorine Bleach, Hang Dry, Cool Iron

Maternity Bikinis Tankini Off Shoulder Flouncing Swimsuit One Piece Beachwear Black 3Xl

BHOME
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Size fit for Bust (M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in;Please choose one size up, if you are in the THIRD trimester

Featured with padded cups on bust and adjustable shoulder straps for all-round support, and ruched sides to flatter your growing baby belly;

Two styles for you to choose-black ruffle trim one piece and floral two pieces, a fashion and nice choice for beach wear,cruise,trip,swim;

82%polyamide 18%elasthan, our maternity swimsuits are made of soft, comfortable, safety fabric, can direct contact to skin;

Dry Clean or Hand Wash Cold, Non-Chlorine Bleach, Hang Dry, Cool Iron

Maternity Bikinis Tankini Floral Flouncing Swimsuit One Piece Beachwear Blue With Pink Flower L

BHOME
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Size fit for Bust (M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in;Please choose one size up, if you are in the THIRD trimester

Featured with padded cups on bust and adjustable shoulder straps for all-round support, and ruched sides to flatter your growing baby belly;

Two styles for you to choose-black ruffle trim one piece and floral two pieces, a fashion and nice choice for beach wear,cruise,trip,swim;

82%polyamide 18%elasthan, our maternity swimsuits are made of soft, comfortable, safety fabric, can direct contact to skin;

Dry Clean or Hand Wash Cold, Non-Chlorine Bleach, Hang Dry, Cool Iron

Maternity Swimsuit One Piece Bathing Suit Off Shoulder Flouncing Bikinis Tankini Beachwear Navy Blue M

BHOME
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Size fit for Bust (S) 36-37.5in (M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in (XXXL) 44-45.5in ;Please choose one size up, if you are in the THIRD trimester

Featured with padded cups on bust and adjustable shoulder straps for all-round support, and ruched sides to flatter your growing baby belly;

Two styles for you to choose-black ruffle trim one piece and floral two pieces, a fashion and nice choice for beach wear,cruise,trip,swim;

82%polyamide 18%elasthan, our maternity swimsuits are made of soft, comfortable, safety fabric, can direct contact to skin;

Dry Clean or Hand Wash Cold, Non-Chlorine Bleach, Hang Dry, Cool Iron

Maternity Bikinis Tankini Off Shoulder Flouncing Swimsuit One Piece Beachwear Black Xl

BHOME
5.00 X 5.00 X 0.70 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Size fit for Bust (M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in;Please choose one size up, if you are in the THIRD trimester

Featured with padded cups on bust and adjustable shoulder straps for all-round support, and ruched sides to flatter your growing baby belly;

Two styles for you to choose-black ruffle trim one piece and floral two pieces, a fashion and nice choice for beach wear,cruise,trip,swim;

82%polyamide 18%elasthan, our maternity swimsuits are made of soft, comfortable, safety fabric, can direct contact to skin;

Dry Clean or Hand Wash Cold, Non-Chlorine Bleach, Hang Dry, Cool Iron

Maternity Bikinis Tankini Floral Flouncing Swimsuit One Piece Beachwear Pink With Green Leaves M

BHOME
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Size fit for Bust (M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in;Please choose one size up, if you are in the THIRD trimester

Featured with padded cups on bust and adjustable shoulder straps for all-round support, and ruched sides to flatter your growing baby belly;

Two styles for you to choose-black ruffle trim one piece and floral two pieces, a fashion and nice choice for beach wear,cruise,trip,swim;

82%polyamide 18%elasthan, our maternity swimsuits are made of soft, comfortable, safety fabric, can direct contact to skin;

Dry Clean or Hand Wash Cold, Non-Chlorine Bleach, Hang Dry, Cool Iron

Ginkana Maternity Swimwear Womens Bikinis Tankini Summer Swimsuits Pregnancy Beachwear Black

GINKANA
5.00 X 5.00 X 0.70 Inches
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GINKANA US 9.86

Features

Our maternity swimsuits are made of high quality fabric,soft ,comfortable and high elasticity, light and breathable

Size fit for Bust (S) 35-37.5in(M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in.If you're in your third trimester,please choose one size up.

Ruched side design, give belly more room to grow, and with padded cups on bust and adjustable shoulder straps for all-round support

It suitable for vacation,beach wear,swimming,spa,recreation,cruise,etc. Catch this chance and show your elegance and beauty

Dry clean or hand wash cold, non-chlorine bleach, hang dry, cool iron

Ginkana Women's Maternity Bathing Suit Tie Front One Piece V-Neck Pregnancy Bowknot Swimwear,Light Rose Leopard,L

GINKANA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GINKANA US 9.86

Features

Size fit for bust  (S)34-35” (M) 36-37” (L) 38-39” (XL) 40-41”(XXL)42--43”.

The maternity tie front one piece bathing suit made of high quality fabric,soft ,comfortable and high elasticity, light and breathable.

Adjustable Tie at one side design, monokini with removeable soft bra padded, A must-have maternity swimsuits in your wardrobe.

It suitable for vacation,beach wear,swimming,spa,recreation,cruise,etc. Catch this chance and show your elegance and beauty.

Hand wash recommended in cold water. Do not use dryer, bleach or iron on swimsuit,hang or line dry.

Ginkana One Piece Flower Print Maternity Tankini Set Maternity Swimwear Womens Bikinis Summer Pregnancy Beachwear

GINKANA
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GINKANA US 9.86

Features

Our maternity swimsuits are made of high quality fabric,soft ,comfortable and high elasticity, light and breathable

Size fit for Bust (S) 35-37.5in(M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in.If you're in your third trimester,please choose one size up.

Ruched side design, give belly more room to grow, and with padded cups on bust and adjustable shoulder straps for all-round support

It suitable for vacation,beach wear,swimming,spa,recreation,cruise,etc. Catch this chance and show your elegance and beauty

Dry clean or hand wash cold, non-chlorine bleach, hang dry, cool iron

Ginkana Maternity Swimsuit One Piece Front Tie Pregnancy Swimwear V Neck Bathing Suit,Black,L

GINKANA
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GINKANA US 9.86

Features

Size fit for bust  (S)34-35” (M) 36-37” (L) 38-39” (XL) 40-41”(XXL)42--43”.

The maternity tie front one piece bathing suit made of high quality fabric,soft ,comfortable and high elasticity, light and breathable.

Adjustable Tie at one side design, monokini with removeable soft bra padded, A must-have maternity swimsuits in your wardrobe.

It suitable for vacation,beach wear,swimming,spa,recreation,cruise,etc. Catch this chance and show your elegance and beauty.

Hand wash recommended in cold water. Do not use dryer, bleach or iron on swimsuit,hang or line dry.

Ginkana Maternity Swimsuit One Piece Front Tie Pregnancy Swimwear V Neck Bathing Suit,Black,M

GINKANA
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GINKANA US 9.86

Features

Size fit for bust  (S)34-35” (M) 36-37” (L) 38-39” (XL) 40-41”(XXL)42--43”.

The maternity tie front one piece bathing suit made of high quality fabric,soft ,comfortable and high elasticity, light and breathable.

Adjustable Tie at one side design, monokini with removeable soft bra padded, A must-have maternity swimsuits in your wardrobe.

It suitable for vacation,beach wear,swimming,spa,recreation,cruise,etc. Catch this chance and show your elegance and beauty.

Hand wash recommended in cold water. Do not use dryer, bleach or iron on swimsuit,hang or line dry.

Ginkana One Piece Flower Print Maternity Tankini Set Maternity Swimwear Womens Bikinis Summer Pregnancy Beachwear

GINKANA
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Our maternity swimsuits are made of high quality fabric,soft ,comfortable and high elasticity, light and breathable

Size fit for Bust (S) 35-37.5in(M) 37.5-39in (L) 39-41in (XL) 41-42.5in (XXL) 42.5-44in.If you're in your third trimester,please choose one size up.

Ruched side design, give belly more room to grow, and with padded cups on bust and adjustable shoulder straps for all-round support

It suitable for vacation,beach wear,swimming,spa,recreation,cruise,etc. Catch this chance and show your elegance and beauty

Dry clean or hand wash cold, non-chlorine bleach, hang dry, cool iron

#TOP13
Best For Army

Bhome Maternity Two Pieces Bikini Set High Waisted Summer Pregnancy Swimsuit Ruffle Swimwear Army Green M

BHOME
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Size fit for Bust (S)36-37.5in (M)37.5-39in (L)39-41in (XL)41-42.5in (XXL)42.5-44in. Please size up if you are in third trimester;

Our two pieces maternity swimsuits are made of soft, comfortable, safety fabric, can direct contact to skin;

Featured with v-neck and padded cups, this maternity bikini set fully wraps and supports your bust and still look chic;

The floucing hemline on the top and the high wasited bottom flatter your body shape and provide full coverage to your belly;

Dry Clean or Hand Wash Cold, Non-Chlorine Bleach, Hang Dry, Cool Iron

Ginkana Maternity Swimsuit One Piece Bathing Suit Pregnancy Swimwear Tie Shoulder V Neck Pregnancy Swimsuits,Red White Plaid,L

GINKANA
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GINKANA US 9.86

Features

Size fit for Bust (S) 34-35in (M) 36-37in (L) 38-39in (XL) 40-41in (XXL) 42-43in.

The pregnancy bathing suit one piece with tie shoulder will make you look very elegant.Removable padding bra,provides good support for the busts.

The maternity swimsuit with ruched side flatter your growing baby belly, It's just tight enough to show off your curves, v neck making you look so sexy.

An indispensable one-piece swimsuit for pregnant women in summer, suitable for pool, beachwear, swimming, cruise ships, etc.

Hand wash recommended in cold water. Do not use dryer, bleach or iron on swimsuit,hang or line dry.

Ginkana Maternity Swimsuit One Piece Tie Shoulder V Neck Pregnancy Swimwear Elegant Monokini Bathing Suit,Black,Xl

GINKANA
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GINKANA US 9.86

Features

Size fit for Bust (S) 34-35in (M) 36-37in (L) 38-39in (XL) 40-41in (XXL) 42-43in.

The pregnancy bathing suit one piece with tie shoulder will make you look very elegant.Removable padding bra,provides good support for the busts.

The maternity swimsuit with ruched side flatter your growing baby belly, It's just tight enough to show off your curves, v neck making you look so sexy.

An indispensable one-piece swimsuit for pregnant women in summer, suitable for pool, beachwear, swimming, cruise ships, etc.

Hand wash recommended in cold water. Do not use dryer, bleach or iron on swimsuit,hang or line dry.

Ginkana Maternity Swimsuit One Piece Square Neck Pregnancy Bathing Suit Swimdress Tie Strap Swim Dress Swimwear,Flower Sage Green,L

GINKANA
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GINKANA US 9.86

Features

Size fit for Bust (S) 34-35in (M) 36-37in (L) 38-39in (XL) 40-41in (XXL) 42-43in.

The maternity one piece bathing suit is made of soft,comfortable,quick-drying, stretchy and smooth fabrics. It's comfortable and complementing through all stages of pregnancy.

This maternity swimsuit is very cute, with adjustable shoulder straps and removable padded cups to give you great support, and a square neckline that perfectly shows off your neck and collarbones.

The maternity swim dress with built in briefs. Nice stretch and loose design of the abdomen to flatter your growing baby belly and makes you feel relaxing and more comfortable. It's the best gift choice for new moms.

Occasion: This is an essential maternity swimsuit, every mom-to-be must-have in her maternity wardrobe. It is suitable for swimming pools, beaches, swimming, cruise, water parks, pool parties, beach sports, sunbathing, etc.

Bhome Maternity Tankini Sets Maternity Swimsuit Two Pieces Maternity Bathing Suit Strappy Tank Top With Shorts Pregnancy Swimwear Yellow Florals Prints Xl

BHOME
0.55 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Special new designed maternity tank set, made with round neck, wide shoulder straps, tankini top, paired with high waisted maternity swimwear shorts. Good chest, belly and bottom coverage.

Matenity blouson swim top matches with a short swim bottom offering glamorous and flattering look without showing too much skin, which is friendly to cover up some flaws.

The racer back maternity tank to show your sexy back, and cool feeling. And, it could be worn as a normal tank in summer. Loosing fit maternity swimwear is flattering for beach, vacation, swimming, and pool party.

High waisted maternity swimsuit shorts could provide some supports for your belly, the full panel provides enough comforts and protects your belly in any sides. The ruched sides at the tankini top leaves lots of room for growing belly, and hide your mom bump after birth.

S Bust 34-35in Hips 33in Waist 27.5in;M Bust 36-37in Hips 35in Waist 29in;L Bust 38-39in Hips 36in Waist 31in;XL Bust 40-41in Hips 38in Waist 32in;XXL Bust 42-43in Hips 39in Waist 34in.

Bhome Maternity One Piece Swimsuit Halter V Neck Ruched Tummy Maternity Bathing Suit Pregnancy Swimwear Black S

BHOME
0.55 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Nice hugging maternity swimwear top at the tummy area. Slimming fit to curve your maternity body shape. This swimsuit hugs your body in all the right places without leaving too much extra room like a muffin-top.

Not only flattering for postpartum body during recovery, but also the halter top makes it easier to nurse your baby at the beach or swimming pool. It is quick and easy to cover back up with one hand.

The swimwear designed with ruched tummy, it shows off your belly in a trendy and cute way, and providing some more room for belly growing. For the halter neck design, you could adjust straps with whatever you like to support your chest and belly.

Gorgeous maternity one piece swimsuit. Fits great maternity swimsuit top coverage with enough showing to add a little sexiness. The sexy collarbone and neckline to show your feminine and elegant temperament.

S Bust 34-35in Waist 30in Hips 33in;M Bust 36-37in Waist 31.5in Hips 35in;L Bust 38-39in Waist 33in Hips 36in;XL Bust 40-41in Waist 35in Hips 38in;XXL Bust 42-43in Waist 36in Hips39in.

Bhome Maternity One Piece Swimsuit Cross Halter Neck Cutout Pregnancy Swimwear Maternity Bathing Suit Black Xl

BHOME
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
B HOME 9.86

Features

Adjustable halter neck straps provide some support for your breast, and you could adjust the tightness you like. Also with the halter neck straps, you could nurse your baby easily on the beach, or beside the swimming pool.

The cutout and high waisted bottom make more room for your growing belly, and it is sexy and trendy for beach wear. It covers and shapes your belly in the right way. If you feel a little embarrassed in the bikini set, you could choose this one-piece swimsuit, it is both secure and sexy for maternity wear.

Flattering all over maternity swimwear for every stage of pregnancy to show your elegant pregnant curve. And it is the swimsuit which could hide your mommy pesky stretchy marks, and mom bump after birth.

Breathable and nice touching fabric makes this maternity bathing suit suitable for hot summer days. You will receive lots of compliments in this swimsuit. It is a good alternative for swimming with family or going out to the bath house.

S Bust 34-35in Waist 30in Hips 33in; M Bust 36-37in Waist 31.5in Hips 35in; L Bust 38-39in Waist 33in Hips 36in; XL Bust 40-41in Waist 35in Hips 38in; XXL Bust 42-43in Waist 36in Hips39in.

Debelly Maternity Halter Swimsuit One Piece Spaghetti Straps Pregnancy Women Swimwear Plunging V Neck Bathing Suit Tie Shoulder Side Pleated,Black,Xl

DEBELLY
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
cenqin 6.45

Features

FEATURES: DEBELLY maternity one piece swimsuit features self tie at shoulder, you can adjust the straps to show your curve and get more comfy, and the classic V neck design make mom-to-be look sexy and lovely

SNUG FOR YOUR BELLY: High-stretchy and durable fabric are quite reliable, and the ruched on the sides can offer extra space for your growing belly

DECENT & CONVENIENT: Removable padded cups on bust, the front of the bathing suit is double layered. NOT see-through, even when wet. DEBELLY one-piece swimsuit is easy to carry and easy to put on & take off

SUIT FOR MANY OCCASIONS: Perfect for walking by the beach, seaside, party, vacation, swimming pools, bathing sunshine, cruise, SPA, etc

STANDARD SIZE: Size fit for [S] Chest: 34-35in Hips: 36.5-37.5in / [M] Chest: 36-37in Hips: 38.5-39.5in / [L] Chest: 38-39in Hips: 40.5-41.5in / [XL] Chest: 40-41in Hips: 42.5-43.5in

Top 10 maternity one piece swimsuits Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Bhome 10
Ginkana 9
Debelly 1

Top 10 maternity one piece swimsuits Brands Pie Chart


We've carried out a comprehensive analysis of 18,243 reviews on maternity one piece swimsuits, using our selection criteria to identify the best options in the women's fashion. Our findings reveal that most customers typically select maternity one piece swimsuits priced around $25.71, with top brands including makemechic, cupshe, kindred bravely, motherhood maternity, eastelegant, summer mae, summersunshine, blooming jelly and tempotrek and ginkana

Our team of expert editors reviewed these high-quality items and handpicked the top 20 maternity one piece swimsuits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the women's fashion category. These include makemechic, cupshe, kindred bravely, amazon.com, eastelegant, summer mae store, summersunshine fashion store, blooming jelly and summer mae and tempotrek .

We are dedicated to assisting our users in finding the right swimsuits Products based on their needs, saving them considerable time when choosing which maternity one piece swimsuits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.