Mermaid Dresses
Mermaid dresses are made for entrances—and every camera flash after. Keep it photo-ready and elegant with cocktail midi or long silhouettes that hug, shape, and flare in all the right places. Try a corset bodice, off-the-shoulder neckline, cap sleeve, long sleeve, or cowl neck in slinky jersey knit, mesh, or velvet. Rhinestones, sequins, and beading bring the shine, while burgundy, plum, navy, hunter green, and black set the mood. Perfect for sorority formals, a guest of wedding look, black tie events, or a gala where showing up polished is the dress code. Add heels, a sleek clutch, and let the silhouette handle the rest.
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Mermaid Dresses with a Signature Flared Silhouette
Mermaid Dresses are made for entrances, pairing a curve-hugging fit with a dramatic flare at or around the knee. The silhouette brings instant shape to special-occasion dressing, whether your style leans romantic, glamorous, or a little more playful. From fall celebrations to formal holiday events and New Year’s Eve, these dresses put the focus on a defined silhouette with movement at the hem.
Mermaid Gowns with Drama in the Details
The fitted-to-flared shape is only the beginning. Corset bodices can add structure, while draping, ruching, wrap fronts, bows, and high slits give mermaid gowns different personalities. Open backs and hardware accents like pearls or rhinestones can bring even more impact to floor-length styles.
Necklines also change the effect of dresses with mermaid silhouettes. Off-shoulder and sweetheart designs lean romantic, while halter, plunge, cowl-neck, spaghetti-strap, and strapless styles can take the silhouette in a sleeker or more alluring direction. For an even more dramatic formal shape, explore ball gowns.
Mermaid Dresses for Formal Celebrations
Mermaid silhouettes naturally suit occasions where dressing up is part of the experience. For weddings, long bridesmaid dresses with fitted shapes can create an elegant bridal-party look, while floor-length mermaid styles bring drama to formal celebrations, holiday events, and New Year’s Eve.
For an elevated take on statement dressing, explore Windsor's Luxe Dress Collection with elevated details that are a statement. Or discover more women's dresses when you want to compare mermaid silhouettes with other fits.
Mermaid Dresses Made for Photo-Worthy Moments
The signature fitted shape and dramatic flared hem of a mermaid dress can look especially striking in photos, making the silhouette a standout for engagement shoots, wedding portraits, anniversaries, birthdays, and other milestone moments. Draping, bows, open backs, slits, and sparkling details can add even more interest from different angles—so find your light, strike a pose, and make the moment yours.
Love how you styled your Windsor mermaid dress? Share your look and tag @windsorstore on your favorite social platform for a chance to be featured on our website.
What Is a Mermaid Dress?
A mermaid dress is fitted through the bodice and hips before flaring at or around the knee, creating the shape associated with a mermaid tail. The close fit through the upper portion of the dress distinguishes the silhouette from styles that begin to flare higher on the body.
Windsor’s mermaid dresses range from sleek and curve-hugging to more dramatic designs with corset bodices, ruching, open backs, slits, draping, and statement details.
Are Mermaid Dresses Formal?
Mermaid dresses are often associated with formal occasions because the fitted silhouette and dramatic floor-length flare create an elevated look. Mermaid gowns can work especially well for formal weddings, galas, holiday celebrations, and other events where a statement dress fits the dress code.
The silhouette can also work for semi-formal occasions depending on the length, fabrication, and details. When choosing your dress, consider the invitation and venue along with how dramatic you want the overall look to feel.
Find Windsor’s Mermaid Dresses for fall and winter celebrations, with fitted silhouettes, dramatic flared hems, and statement details designed for memorable occasions.
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Edith One Shoulder Mermaid Satin Formal Dress
Special Occasion
Embrace effortless elegance with the Edith satin formal dress! Designed with a chic one-shoulder neckline and elegantly twisted straps, this gown contours your figure with a flattering mermaid silhouette and high side slit for allure.
Fit & Features
- Silky satin fabric
- One-shoulder neckline, twisted straps
- High side slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas and parties, glamorous soirees, fancy date nights, formal events
Style Number/Barcode: 05002-000056
Category Name: Mermaid Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Ashlynn Off-Shoulder Mermaid Formal Dress
Special Occasion
Stand out with confidence and grace in the Ashlynn mesh formal dress! Featuring a striking off-shoulder neckline and elegant side ruched seams, this floor-length gown sculpts your silhouette with a flattering mermaid fit.
Fit & Features
- Mesh fabric, stretchy knit lining
- Foldover off-shoulder neckline
- Short sleeves
- Side ruched seams
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, engagement parties, rehearsal dinners, cocktail soirees, black tie events or parties, big birthday events, dressy date nights
Style Number/Barcode: 05002-000510
Category Name: Mermaid Dresses
Price: $59.90
Availability: In Stock
Available Color: BURGUNDY
Available Size: XS, S, M
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Avery Sweetheart Mermaid Satin Formal Dress
Special Occasion
All out glamour has arrived, and she's the Avery satin formal dress. This mermaid dress brings all the allure with a curve-loving silhouette, a sweetheart neckline, and a high slit that guarantees jaws drop!
Fit & Features
- Stretch satin fabric, bust knit lining
- Sweetheart neckline, padded bra cups
- Adjustable spaghetti straps
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, formal celebrations, dinner parties, date nights
Style Number/Barcode: 05002-000059
Category Name: Mermaid Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Mikayla Off-Shoulder Mermaid Floral Formal Dress
Special Occasion
From the curve-hugging mermaid silhouette to the gorgeous floral print, the Mikayla formal dress showcases your natural beauty!
Fit & Features
- Floral print, mesh fabric, stretchy knit lining
- Off-shoulder neckline
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, bridal and wedding showers, dinner parties, dressy date nights
Style Number/Barcode: 05002-000068
Category Name: Mermaid Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Aimee Strappy Back Mesh Trim Mermaid Formal Dress
Special Occasion
From the curve-hugging mermaid silhouette to the sheer mesh trim, the Aimee formal dress beautifully showcases your figure! Make a statement in this stunning dress featuring an alluring strappy back design and elegant floor-length hem that creates a chic flair.
Fit & Features
- Satin fabric
- V-neckline, mesh trim underbust and back trim
- Strappy back, spaghetti straps
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie parties and events, galas, fancy milestone celebrations, nights at the theatre
Style Number/Barcode: 05002-000067
Category Name: Mermaid Dresses
Price: $39.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kenzie Corset Mermaid Mesh Formal Dress
Special Occasion
The corset bodice and mermaid silhouette on the Kenzie formal dress make it a chic option and ensure that all eyes are on you!
Fit & Features
- Mesh fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- Corset bodice, flexible boning
- Side ruched seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, galas, black tie soirees, engagement parties, cocktail events
Style Number/Barcode: 05002-000072
Category Name: Mermaid Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Camren Lace-Up Mermaid Mesh Formal Dress
Special Occasion
Feel confident and look beautiful in the Camren mesh formal dress! With cute cap sleeves and a mermaid silhouette, this dress exudes sophistication. The lace-up back adds a touch of playful charm while also providing the perfect fit.
Fit & Features
- Mesh fabric, stretchy knit lining
- Cap sleeves
- Sweetheart neckline, padded bra cups
- Back lace-up, lower zipper and hook-eye closure
- Side ruched seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie soirees, fancy date nights, parties, award dinners
Style Number/Barcode: 05002-000069
Category Name: Mermaid Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Sale
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Aden Cutout Back Mermaid Formal Dress
Special Occasion
For the kind of night that calls for a jaw-dropping entrance, The Aden formal dress brings sleek drama in sculpting stretch knit. The sweetheart mermaid silhouette flatters from every angle, designed to move with you from first toast to final dance.
Fit & Features
- Smooth knit fabric
- Sweetheart neckline, wide shoulder straps
- Cutout back design
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, date night, black tie galas, upscale birthday events, red carpet occasions, formal dances, charity dinners, award shows
Style Number/Barcode: 05002-000074
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mackenzie High Slit Mermaid Dress
Special Occasion
Effortlessly captivating, the Mackenzie satin mermaid dress was made for those moments that demand all eyes on you. With its softly draped neckline and daring high slit, it delivers a flawless mix of sophistication and allure.
Fit & Features
- Smooth knit fabric, high stretch
- Sleeveless sweetheart neckline, pleated cowl neck overlay
- Adjustable spaghetti straps, back zipper closure
- Pleating
- High-cut front slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, bridesmaids, black-tie parties, red-carpet events, formal dinner parties, galas, and luxe soirees.
Style Number/Barcode: 05002-000076
Category Name: Mermaid Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Evalina Lace-Up Mermaid Dress
Special Occasion
Serve sleek and chic allure in the Evalina mermaid dress featuring a scoop neckline, a sultry open lace-up back, and a floor-length curve-hugging silhouette. Style with a rhinestone collar necklace.
Fit & Features
- Smooth knit fabric, high stretch
- Sleeveless scoop neckline
- Adjustable spaghetti straps
- Side seam panel accents
- Open lace-up back design, lower zipper closure
- Floor-length mermaid silhouette, pleating
- Runs true to size
Where to Wear:
Weddings, dressed-up dinners, black-tie events, and formal parties.
Style Number/Barcode: 05002-000080
Category Name: Mermaid Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ciara Lace Corset Satin Mermaid Formal Dress
Special Occasion
The Ciara formal dress is sculpted, chic, and ready for a spotlight moment! This lace corset gown hugs every curve and glides with goddess energy—perfect for making your grand entrance down the aisle or into the soiree.
Fit & Features
- Stretch satin fabric, smooth knit stretchy lining
- Strapless sweetheart neckline
- Built-in padded underwire bust
- Back zipper and hook-eye closure
- Lace-lined corset bodice, flexible boning
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, engagement parties, rehearsal dinners, receptions, bridal and wedding showers, photoshoots, black tie galas
Style Number/Barcode: 05002-000082
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Idella One-Shoulder Cutout Mesh Formal Dress
Special Occasion
The Idella mesh formal dress is a gorgeous statement piece with a sultry one-shoulder neckline, cutout bodice, and a mermaid silhouette that hugs your curves!
Fit & Features
- Mesh fabric, sewn-in stretchy knit lining
- One-shoulder neckline
- Cutout bodice
- Side ruched seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, romantic dinner dates, birthday events, cocktail parties, engagement parties
Style Number/Barcode: 05002-000081
Category Name: Mermaid Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Aylani Cowl Neck Slit Mermaid Glitter Formal Dress
Special Occasion
Make your stunning entrance in the Aylani glitter formal dress. This gown is designed to hug your curves with a ruched mermaid silhouette while the high front slit adds a daring touch to your evening look!
Fit & Features
- Glitter knit fabric, stretchy knit lining
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper hook-eye closure
- Ruched mermaid silhouette
- High front slit, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, formal celebrations and events, engagement parties, big birthday events
Style Number/Barcode: 05002-000084
Category Name: Mermaid Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Emily Floral Cutout Mermaid Formal Dress
Special Occasion
Looks like a fairytale, fits like a dream. The Emily floral formal dress brings soft romance with a mermaid silhouette and alluring cutout back that turns heads and makes your exit from the party one to remember!
Fit & Features
- Floral print, smooth knit fabric, bust knit lining
- Cowl sweetheart neckline, padded bra cups
- Cutout back with strap and hook closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, engagement parties, milestone celebrations, black tie events, galas
Style Number/Barcode: 05002-000091
Category Name: Mermaid Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Mia Halter Slit Mermaid Mesh Formal Dress
Special Occasion
The Mia mesh formal dress is a chic showstopper with alluring details that turn heads. Its plunge halter neckline, high front slit, and mermaid silhouette flaunts your figure in the most captivating fashion!
Fit & Features
- Mesh fabric, short sewn-in lining, moderate stretch
- Plunge halter neckline, metal insert, cutout accent
- Tie straps, padded bra cups
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, sheer floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie soirees, engagement parties, anniversaries, fancy events
Style Number/Barcode: 05002-000097
Category Name: Mermaid Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Trina Floral Mermaid Formal Dress
Special Occasion
Float through the soirée like a total dream in the Trina floral formal dress! With soft ruching, a strapless neckline, and a sculpted mermaid silhouette, this gown was made for golden hour glam and picture-perfect moments.
Fit & Features
- Floral print, mesh fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Flexible boning inserts
- Back zipper and hook-eye closure
- Side ruched seams, mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, summer galas, garden parties, date nights, fancy celebration parties, formal soirees
Style Number/Barcode: 05002-000095
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Julietta One Shoulder Mermaid Formal Dress
Special Occasion
Radiate elegance and modern style in the Julietta formal dress to make a memorable statement. The gown boasts a sleek one-shoulder design and a tasteful cutout that contours your silhouette with a flattering mermaid fit.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- One-shoulder neckline
- Side cutout with attached sash
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, formal events, cocktail soirees, big birthday celebrations, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-000124
Category Name: Mermaid Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Katherine Mock Neck Cutout Mermaid Formal Dress
Special Occasion
Serving elegance with a side of drama. The Katherine formal dress was made for the spotlight with side waist cutout accents and a stunning mermaid silhouette.
Fit & Features
- Airy mesh-lined fabric
- Mock neckline, padded bra cups
- Back zipper and hook-eye closure
- Side waist cutouts
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, big birthday events, dinner parties, fancy date nights
Style Number/Barcode: 05002-000123
Category Name: Mermaid Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Gwen Glitter Corset Mermaid Formal Dress
Special Occasion
Designed to catch every eye in the room, the Gwen floor-length glitter gown balances structure and shimmer with a sculpted corset bodice and a high front wrap slit. The mermaid silhouette ensures a striking exit to match your entrance.
Fit & Features
- Glitter fabric, stretchy knit lining
- Sweetheart neckline, adjustable spaghetti straps
- Padded bra cups
- Corset bodice, flexible boning, back zipper and hook-eye closure
- High front wrap slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, red carpet events, big milestone celebrations, engagement parties, rehearsal dinners, ceremonies, receptions, award shows
Style Number/Barcode: 05002-000128
Category Name: Mermaid Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Amelia Lace-Up Mermaid Formal Dress
Special Occasion
Sleek, sculpted, and made for a jaw-dropping entrance—the luxe Amelia mermaid gown glides over your curves before fanning into a soft train. The lace-up back adds a sultry, adjustable fit that’s pure spotlight appeal.
Fit & Features
- Sleek knit fabric with subtle sheen with stretch, lined
- V-neckline, padded bra cups
- Dual spaghetti straps
- Lace-up back, zipper and hook-eye closure
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, military balls, rehearsal dinners, engagement parties, fancy date nights, big birthday events, milestone celebrations
Style Number/Barcode: 05002-001131
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Julia Velvet Corset High Slit Mermaid Dress
Special Occasion
Designed for the most glamorous nights, the Julia velvet corset mermaid dress exudes luxe sophistication. With its strapless sculpted bodice, draped details, and daring high slit, it’s a look that moves with elegance and confidence.
Fit & Features
- Velvet fabric, moderate stretch
- Strapless straight-across neckline, pleated cowl neck overlay
- Corset bodice, padded bust, flexible boning
- Back zipper closure
- Pleated draped front design
- Floor-length column silhouette, high-cut side slit
- Runs true to size
Where to Wear:
Formal weddings, bridesmaids, galas, and black-tie parties, formal dances, big birthday events, fancy date nights, red-carpet occasions
Style Number/Barcode: 05002-000246
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: RED
Available Size: S
Product Badge:- Ships Free
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Amberlyn Velvet Corset Mermaid Formal Dress
Special Occasion
Sleek and sultry, the Amberlyn velvet gown is designed to make an entrance. The corset bodice sculpts the figure while the high slit adds a daring finish to its timeless silhouette.
Fit & Features
- Velvet fabric, bust lining
- Plunge sweetheart neckline, padded bra cups
- Wide shoulder straps
- Corset bodice, flexible boning, back zipper and hook-eye closure
- High front wrap slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Black tie galas, weddings, red-carpet occasions, fancy date nights, rehearsal dinners, engagement parties, milestone celebrations, formal birthdays, military balls
Style Number/Barcode: 05002-000134
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: In Stock
Available Color: NAVY, RED
Available Size: S, XS, M, L
Product Badge:- Sale
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Danika Satin Mermaid Sash Formal Dress
Special Occasion
Sleek and sophisticated, the Danika satin gown features a draped neckline and a sultry high slit. Finished with delicate straps and a figure-skimming silhouette, it’s the ultimate plus-one for nights that call for pure elegance.
Fit & Features
- Stretch satin fabric with sheen
- Draped cowl neckline
- Spaghetti straps
- Mermaid silhouette, side draped sash
- High side slit
- Floor-length hem
- Runs true to size
Where to Wear:
Black tie weddings, galas, military balls, formal milestone celebrations, rehearsal dinners, engagement parties, upscale birthday events, banquets
Style Number/Barcode: 05002-000135
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Adrianna Faux Pearl Mermaid Formal Dress
Special Occasion
Delicate faux pearls meets timeless glamour in the Adrianna mesh gown, designed with a flattering ruched bodice and sleek mermaid silhouette. The floor-sweeping finish ensures every step feels like a red-carpet moment.
Fit & Features
- Faux pearl embellished, mesh-lined fabric
- V-neckline
- Adjustable spaghetti straps
- Ruched bodice
- Mermaid silhouette
- Floor-length bonded hem
- Runs true to size
Where to Wear:
Black tie weddings, bridal celebrations, engagement parties, rehearsal dinners, galas, military balls, formal milestone celebrations, fancy birthday events, red-carpet occasions
Style Number/Barcode: 05002-000137
Category Name: Mermaid Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
- Faux pearl embellished, mesh-lined fabric