Best Mermaid Maternity Dresses of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 3 Feb 2026

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Mermaid Maternity Dresses offer expectant mothers a stylish and comfortable option for their maternity wardrobe. These dresses are designed to flatter the growing bump and provide a comfortable fit throughout pregnancy. Made from high-quality fabrics, Mermaid Maternity Dresses come in a range of stylish designs and colours, ensuring that mums-to-be can maintain their sense of style while embracing their changing body. Whether for a special occasion or everyday wear, these dresses are a must-have for any pregnant woman looking to feel confident and chic.

At a Glance: Our Top Picks

AONESX Maternity Summer Floral Midi Bodycon Dress Cover #TOP 1
AONESX Maternity Summer Floral Midi Bodycon Dress
ftb score rating icon 9.9
Saslax Long Chiffon Sleeve Tired Mermaid Maternity Dress Cover #TOP 2
Saslax Long Chiffon Sleeve Tired Mermaid Maternity Dress
ftb score rating icon 9.8
AISWI 3D Floral Off The Shoulder Maternity Dress Sexy Ribbed Mermaid Maxi Bodycon Pregnancy Dresses Baby Shower Cover #TOP 3
AISWI 3D Floral Off The Shoulder Maternity Dress Sexy Ribbed Mermaid Maxi Bodycon Pregnancy Dresses Baby Shower
ftb score rating icon 9.6

Top 10 Mermaid Maternity Dresses

AONESX Maternity Summer Floral Midi Bodycon Dress

VmSlyii
LM-0723BMD-Blue M
Blue
AONESX Maternity Summer Floral Midi Bodycon Dress Cover
AONESX Maternity Summer Floral Midi Bodycon Dresses, Short Puff Sleeve Square Neck Ruffle Hem Mermaid Baby Shower Dress, Blue, M

The AONESX Maternity Dress is designed to keep you stylish and comfortable throughout your pregnancy. Its square neck and short puff sleeves offer a chic look that pairs effortlessly with heels or accessories, perfect for special occasions like baby showers or weddings. The mermaid ruffle hem adds a touch of elegance and movement, while the floral design and empire waist create a flattering silhouette that highlights your baby bump beautifully. This dress is versatile for various events, from casual beach trips to office wear, ensuring you feel confident and radiant at any stage.

What We Like
Elegant square neck design
Comfortable short puff sleeves
Flattering mermaid ruffle hem
Versatile for many occasions
Beautiful floral pattern
#TOP 2

Saslax Long Chiffon Sleeve Tired Mermaid Maternity Dress

White 02
Saslax Long Chiffon Sleeve Tired Mermaid Maternity Dress Cover
Saslax Long Chiffon Sleeve Tired Mermaid Maternity Dress for Photoshoot Photography Baby Shower - - X-Large

Features
Baby Shower Maternity Dress; Super Soft, Plenty Of Stretch For Growing Bumps And The Dress Hugs And Accentuates All The Right Places Creating The Perfect Bump Silhouette.
Maternity Gown For Photoshoot: Double Lining To Knee. Not See-Trough.Maternity Dress For Photography Is Made Of Soft And Skin Friendly Fabric; 95% Rayon 5% Spandex Super Stretchy Long Dress Fits Most Kinds Of Pregnant Body Shapes; Worn For Maternity.
Occasion: Maternity Photoshoot Dress Perfect For Photography, Photoshoot, Baby Shower, Engagement, Anniversary, Birthday, Wedding, Party, Christmas And Any Other Occasion; Romantic And Elegant Photography Gown With A Maxi Train Will Make You Charming.
Maternity Dress For Photoshoot; Unique Mermaid Style Design Hugs Mom Nicely To Accentuate The Curves From Bust To Thigh Perfectly. Capture Some Precious Memories Before Your Baby Welcom Into The World.
Maternity Dress For Photography; This Maternity Dress Features Long Bishop Chiffon Sleeves, Sweetheart Neckline, And Tired Split Chiffon Mermaid Skirt To Create A Gorgeous Look During Your Maternity Session.
#TOP 3

AISWI 3D Floral Off The Shoulder Maternity Dress Sexy Ribbed Mermaid Maxi Bodycon Pregnancy Dresses Baby Shower

AISWI
AISWI 3D Floral Off The Shoulder Maternity Dress Sexy Ribbed Mermaid Maxi Bodycon Pregnancy Dresses Baby Shower Cover
AISWI 3D Floral Off The Shoulder Maternity Dress Sexy Ribbed Mermaid Maxi Bodycon Pregnancy Dresses Baby Shower, 1. Long Sleeves Light Pink, M

Features
Design: This Ribbed Maternity Dress Features 3D Floral, Off The Shoulder, Bodycon, Slimming, Mermaid Hemline, Long Sleeve Maxi Dress.
Highlights: This Off The Shoulder Maternity Dress Features A Delicately Adorned Floral Appliqué Bodice, Exuding Romantic Charm And Graceful Femininity A Standout Piece For Any Expecting Mom.
Occasions: Perfect For Baby Showers, Maternity Photoshoots, Weddings, Birthdays, And Cocktail Events, This Dress Adapts Effortlessly To Both Special Moments And Everyday Outings. With Its Refined Yet Comfortable Look, It's A Wardrobe Essential That Keeps You Looking Radiant Throughout Pregnancy.
Features: Designed With Both Elegance And Ease In Mind, This Maternity Dress Enhances Your Curves With A Refined Mermaid Cut While Providing All-Day Comfort. A Beautiful Balance Of Romantic Style And Practical Wearability, Making It A Must-Have For Modern Moms-To-Be.
Fabric: The Bodice Is Detailed With Soft Floral Appliqués, While The Stretchy Ribbed Fabric Ensures Breathability, Comfort, And Flexibility Throughout Every Trimester. Lightweight And Versatile, It's Ideal For Spring And Fall.
#TOP 4

AISWI Maternity Dress Baby Shower Long Bell Sleeve Floral Lace Contrast Chiffon V-Neck Mermaid Pregnancy Photoshoot Gown

AISWI
Plum Pink
AISWI Maternity Dress Baby Shower Long Bell Sleeve Floral Lace Contrast Chiffon V-Neck Mermaid Pregnancy Photoshoot Gown Cover
AISWI Maternity Dress Baby Shower Long Bell Sleeve Floral Lace Contrast Chiffon V-Neck Mermaid Pregnancy Photoshoot Gown, Plum Pink, XL

Features
Features: Polished Maxi Length Maternity Gown With A Romantic Fishtail Silhouette, Eaturing A Flattering Waistline With Delicate Ruching To Accentuate Your Baby Bump. Flattering V-Neckline & Whimsical Flared Sleeves For Sophistication, Delicate Floral Lace And Contrast Chiffon For Dreamy Movement.
Fabric: Delicate Exquisite Floral Lace Paired With Airy Chiffon – This Maternity Dress Offers A Luxurious Feel With Its Ethereal Texture And Graceful Drape, Making Every Movement Effortlessly Elegant.
Styling: For A Relaxed Look, Pair Your Baby Shower Dress With Minimal Accessories—or Glam It Up With Sparkling Jewelry. Complete The Outfit With A Maternity Flower Sash Belt!
Reliable After-Sale Service: AISWI Is Dedicated To Crafting High-Quality Maternity Wear, Complemented By A Robust After-Sales Program. Should You Find The Item Unsuitable For Any Reason, We Offer A Hassle-Free Return Policy. Be Sure To Consult The Size Guide Provided In The Images To Ensure The Best Fit Before Finalizing Your Purchase.
Occasions: Ideal For Maternity Photoshoots, Baby Showers, Wedding Guests, Gender Reveals, Proms, Parties, Dinners, And Cocktail Events. This Semi Formal Pregnant Dress Also Makes A Thoughtful Gift For Expectant Mothers.
#TOP 5

AISWI 2024 Fall Square Neck Mermaid Maternity Dress Faux Two-Piece Long Sleeve Bodycon Pregnancy Dress

AISWI
Off-white
AISWI 2024 Fall Square Neck Mermaid Maternity Dress Faux Two-Piece Long Sleeve Bodycon Pregnancy Dress Cover
AISWI 2024 Fall Square Neck Mermaid Maternity Dress Faux Two-Piece Long Sleeve Bodycon Pregnancy Dress, Off-white, M

Features
Features: The Maternity Dress Has A Square Neckline Highlighting The Collarbone For A Sophisticated Appearance. Its Mermaid Silhouette Gracefully Flatters The Curves Of A Pregnant Figure. It Comes With A Faux Two-Piece Design For A Trendy Style, Long Sleeves For Warmth And Coverage In Cooler Weather, And A Bodycon Fit That Gently Hugs The Body To Show Pregnancy Curves And Offer Support.
Fabric: This Pregnancy Dress Is Meticulously Made Of A Premium And Stretchy Knit Fabric. It Ensures Exceptional Comfort And Flexibility During Pregnancy. The Fine Ribbed Texture Of The Fabric Not Only Gives A Luxurious Touch But Also Offers Gentle Support And Breathability. It's Perfect For All-Day Wear And Suits The Changing Needs Of Expectant Mothers.
Styling: Enhance Your Winter Maternity Look With The Mermaid Dress, Paired With Heels Or Flats For A Polished Appearance. For A Touch Of Winter Elegance, Choose A Bold Necklace Or Minimalist Earrings. Layer With A Cardigan Or Blazer For Cozy, Chic Warmth During The Cold Season.
Selecting The Right Size: Just A Quick Note That Our Model Is On The Taller Side. When Choosing Your Size For The Square Neck Mermaid Maternity Dress, Please Refer To The Size Chart For Accurate Clothing Lengths To Ensure You Find The Perfect Fit For Your Frame. Selecting The Right Size Will Ensure A Comfortable And Flattering Look Throughout Your Pregnancy. Thank You For Paying Attention To This Detail.
Occasions: This Fall Maternity Dress Is Perfect For A Variety Of Occasions, Ensuring Expectant Mothers Feel Beautiful And Confident. It's Ideal For Maternity Photoshoots, Baby Showers, Christmas Party, Gender Reveal Parties, Wedding Guests, Professional Settings, And Casual Outings.
#TOP 6

AISWI Maternity Bodycon Mermaid Maxi Dress Sexy Crew Neck Long Sleeve Ribbed Pregnancy Dresses Fall Baby Shower Photoshoot

AISWI
AISWI Maternity Bodycon Mermaid Maxi Dress Sexy Crew Neck Long Sleeve Ribbed Pregnancy Dresses Fall Baby Shower Photoshoot Cover
AISWI Maternity Bodycon Mermaid Maxi Dress Sexy Crew Neck Long Sleeve Ribbed Pregnancy Dresses Fall Baby Shower Photoshoot, 2. Long Sleeve, Light Blue, M

Features
Design: This Ribbed Maternity Dress Features Round Neck, Long Sleeves, Bodycon, Slimming, Mermaid Hemline, Maxi Dress.
Material: This Maternity Outfit Is Crafted From 46% Polyester, 48% Rayon, And 6% Spandex. The Fabric Is Soft And Highly Elastic, Ensuring Comfort And A Flattering Fit For All Body Types. It Provides A Non-Constricting Feel Throughout Your Pregnancy While Beautifully Highlighting Your Figure.
Versatile: This Pregnancy Dress Is Ideal For Both Spring And Winter. Featuring A Round Neckline, Long Sleeves, And A Calf-Length Cut, It Offers Warmth While Maintaining A Feminine Touch. Its Elegant Design Makes It Suitable For Every Stage Of Pregnancy.
Occasions: This Pregnant Dress Is Perfect For Any Event, Whether Casual Or Formal. From Baby Showers And Maternity Photoshoots To Weddings, Cocktail Parties, And Birthdays, Its Elegant And Comfortable Design Ensures You Look Charming At Every Occasion. Ideal For Both Special Events And Everyday Outings, This Dress Is A Versatile Addition To Your Wardrobe.
Features: This Maternity Bodycon Dress Features Meticulous Craftsmanship And A Chic Design. The Unique Mermaid Cut Accentuates Your Curves While Accommodating A Growing Belly, Ensuring A Flattering Fit. Enjoy A Stylish And Confident Look With A Dress That Combines Elegance With Comfort.
#TOP 7

AYMENII Maternity Dresses for Photo Shoot Women Mermaid Chiffon Gown Cold Shoulder Ruffle Sleeves Wedding Baby Shower Dress White M

White
AYMENII Maternity Dresses for Photo Shoot Women Mermaid Chiffon Gown Cold Shoulder Ruffle Sleeves Wedding Baby Shower Dress White M Cover
AYMENII Maternity Dresses for Photo Shoot Women Mermaid Chiffon Gown Cold Shoulder Ruffle Sleeves Wedding Baby Shower Dress White M

Features
Gorgeous Chiffon Maternity Gowns Maxi Dresses Designed With Chiffon Neckline, Cold Shoulder With Ruffle Sleeves, Full Chiffon Drop Sleeves Off Shoulder Dress Shows Your Beautiful Lines Of Collarbones And Shoulders. You Can Enjoy Your Special Moment In Comfort And Confident Style.
AYMENII Creates Stunning Pregnancy Dresses And Gowns For Every Occasion. Softly Stretch Cotton, Stunning Flowy Chiffon Fabrics - Impeccably Finished With A Touch Of Sparkle For Your Moment In The Spotlight.
Show Off Your Baby Bump In This Romantic Maternity Gown For A Photo Shoot, Especially By The Sea & Beach & Forest, Photography, Baby Shower, Modeling Photo Session, Baby Shower, Pregnant Bridesmaids Wedding, Engagement, Red Carpet, Evening, Ball, Prom, Homecoming, Party, Cocktail, Anniversary, Birthday Or Any Special Occasions.
For Styling And Sizing Questions, Please Refer To The Product Images Thoroughly Or Shoot Us A Quick Email Before Checkout. Any Further Question Or Concern, Please Contact Us Directly.
Fitted Jersey From Chest To Above Knees. Enchanting Mermaid Style Chiffon Gown With Train Outlines Your Perfect Shape & Adorable Baby Bump Effortlessly And Made To Fit And Flatter Your Growing Curves And Will Leave You Looking And Feeling Incredible.
#TOP 8

AISWI Off The Shoulder Maternity Dress Ruched Ribbed Knit Bodycon Mermaid Maxi Gown

AISWI
Sage Green
AISWI Off The Shoulder Maternity Dress Ruched Ribbed Knit Bodycon Mermaid Maxi Gown Cover
AISWI Off The Shoulder Maternity Dress Ruched Ribbed Knit Bodycon Mermaid Maxi Gown with Slit for Baby Shower Photoshoot, Sage Green, XL

Features
Chic Off-Shoulder & Ruched Design: Featuring A Sophisticated Off-The-Shoulder Neckline And A Beautifully Ruched Bodice, This Fitted Maternity Dress Highlights Your Collarbones And Shoulders. The Draped Chest Detail Adds A Touch Of Timeless Elegance, Making It A Standout Piece For Any Special Occasion.
Premium Stretchy Fine Rib Fabric: Crafted From High-Quality, Breathable, And Ultra-Soft Fine Rib-Knit Fabric. The Exceptional Elasticity Ensures A Snug Yet Comfortable Fit That Grows With Your Bump Throughout All Stages Of Pregnancy, Providing A Smooth Silhouette Without Feeling Restrictive.
Versatile For Any Occasion: This Semi Formal Pregnancy Dress Is A Stunning Choice For A Maternity Photoshoot, Baby Shower, Gender Reveal, Or Wedding Guest Attire. It Is Also Ideal For Cocktail Parties, Evening Dinners, Or Holiday Celebrations, Making It A Versatile Staple In Your Maternity Wardrobe.
Flattering Bodycon Silhouette With Side Slit: Designed To Celebrate Your Curves, This Baby Shower Dress Accentuates Your Baby Bump Perfectly. The Stylish High Side Slit Not Only Adds A Hint Of Sexiness But Also Allows For Ease Of Movement And Showcases Your Footwear, Creating A Stunning Mermaid-Like Look.
Easy Care & Sizing Guide: This Elegant Pregnant Dress For Women Maintains Its Shape And Color After Washing. We Recommend Hand Wash Cold Or Machine Wash In A Laundry Bag; Hang Dry. Please Refer To Our Size Chart In The Images To Ensure The Most Comfortable Fit For Your Changing Body.
#TOP 9

Odizli Maternity Photoshoot Dress Women Elegant Long Sleeve Off The Shoulder Fall Fitted Pregnancy Tulle Chiffon Wedding Beach Maxi Mermaid Long Gown Baby Shower Dress Photography Plus Size Pink XL

Pink
Odizli Maternity Photoshoot Dress Women Elegant Long Sleeve Off The Shoulder Fall Fitted Pregnancy Tulle Chiffon Wedding Beach Maxi Mermaid Long Gown Baby Shower Dress Photography Plus Size Pink XL Cover
Odizli Maternity Photoshoot Dress Women Elegant Long Sleeve Off The Shoulder Fall Fitted Pregnancy Tulle Chiffon Wedding Beach Maxi Mermaid Long Gown Baby Shower Dress Photography Plus Size Pink XL

Features
Design: Slim Fit Gown Outlines Your Shape And Adorable Baby Bump Effortlessly, V Neckline Shows Your Sexy And Beautiful Lines, Pleated Design At Front Bust, Which Brings Fun To A Classic Shape. Attatched With 1 Layer Tulle At Waist For A Fantastic Effect, Looks Elegant In The Wind.
Pregnant Women's Photo Shoot Long Maxi Wedding Evening Party Gown Baby Shower Maternity Fitted Tulle Dress, Elegant And Sexy Long Sleeve Photography Dress.
Occasion: Photography Props, Baby Shower, Engagement, Anniversary, Wedding, Etc; As Photography Props By The Sea Or In The Forest For The Maternity Photo Shoot To Record Such A Magical Time. Matching With Exquisite Flower Crown Would Be A Great Choice.
Material: Selected Breathable And Lightweight Fabric, Soft Cotton And Tulle Fabric Gives You Pleasing Experience While Photoshooting.
Garment Care: Hand Wash Cold Dry Clean Machine Washable In Laundry Bag Color Separated Washing Do Not Bleach Iron Or Steam The Folds Before Photography.
#TOP 10

MYRISAM Women Maternity Lace Mermaid Gown Off Shoulder Ruffle Slim Fitted Photo Shoot Wedding Party Prom Baby Shower Dress Deep Blue M

Deep Blue
MYRISAM Women Maternity Lace Mermaid Gown Off Shoulder Ruffle Slim Fitted Photo Shoot Wedding Party Prom Baby Shower Dress Deep Blue M Cover
MYRISAM Women Maternity Lace Mermaid Gown Off Shoulder Ruffle Slim Fitted Photo Shoot Wedding Party Prom Baby Shower Dress Deep Blue M
Buying Guide Image
Editor's Notes

During our mermaid maternity dress research, we found 235 mermaid maternity dress products and shortlisted 10 quality products. We collected and analyzed 6,460 customer reviews through our big data system to write the mermaid maternity dresses list. We found that most customers choose mermaid maternity dresses with an average price of £20.00.

The mermaid maternity dresses are available for purchase. We have researched hundreds of brands and picked the top brands of mermaid maternity dresses, including VmSlyii, Saslax, AISWI, AYMENII, Odizli.

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.