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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Martha Flocked Floral Velvet Mermaid Formal Dress
Special Occasion
A statement in movement and allure, the Martha floral velvet mesh gown pairs a plunge wired halter neckline with a mermaid silhouette that’s made to turn heads. The flocked floral pattern and high front slit create an effortlessly refined look for every formal RSVP.
Fit & Features
- Flocked velvet floral pattern, mesh fabric, stretch knit lining
- Plunge wired halter neckline, tie closure
- Back zipper and hook-eye closure
- High front slit
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, engagement parties, rehearsal dinners, anniversaries, fancy date nights, formal milestone celebrations, big birthday events
Style Number/Barcode: 05002-000141
Category Name: Mermaid Dresses
Price: $74.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, L
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Meara Backless Mesh Mermaid Dress
Special Occasion
Made for a chic entrance, the Meara mermaid dress blends sultry elegance with effortless movement. Crafted from airy mesh fabric with a knit lining, this high-stretch, figure-skimming silhouette stuns with an open back and softly ruched lower back detail.
Fit & Features
- Mesh fabric with full-length knit lining, high stretch
- Sleeveless cowl neckline
- Adjustable spaghetti straps
- Open back
- Lower back ruching
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Black-tie weddings, galas, upscale birthdays, engagement parties, rehearsal dinners, date night, charity dinners, fancy parties
Style Number/Barcode: 05002-000142
Category Name: Mermaid Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Allison Off-The-Shoulder Mermaid Formal Dress
Special Occasion
Made for the spotlight and sculpted to stun, the Allison gown is your red carpet moment. Crafted from curve-hugging mesh with allover ruching and an elegant off-shoulder neckline, this mermaid dress brings just the right amount of drama.
Fit & Features
- Mesh-lined fabric, moderate stretch
- Off-the-shoulder neckline
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, formal celebrations, fancy date nights, red carpet occasions, glam soirees
Style Number/Barcode: 05002-000144
Category Name: Mermaid Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Eileen Floral Strapless Mermaid Formal Dress
Special Occasion
The gorgeous Eileen floral formal dress will have everyone swooning for you! With its luxe cowl neckline and figure-hugging mermaid silhouette, this floor-length gown elevates your natural beauty with every step.
Fit & Features
- Floral print, smooth knit fabric, stretchy knit lining
- Strapless cowl neckline, padded bra cups
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, summer galas, black tie events, rooftop dinner parties, rehearsal dinner, anniversaries, fancy shower celebrations
Style Number/Barcode: 05002-000153
Category Name: Mermaid Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Glow for It Tube Glitter Midi Dress
She’s sleek, she’s sparkly, she’s definitely getting compliments. This tube midi dress hugs just right and glows under the light—made for birthday dinners, weddings, or any moment that deserves a little dazzle.
Fit & Features
- Glitter knit fabric, stretchy knit lining
- Tube neckline
- Mermaid silhouette
- Midi-length hem
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Style Number/Barcode: 05101-000170
Category Name: Mermaid Dresses
Price: $9.97 $42.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Scarlet Strappy Back Mermaid Formal Dress
Special Occasion
Timeless elegance with a modern edge. The Scarlet formal dress is designed in a sculpting mermaid silhouette, twist-front detail, and delicate straps that make a grand entrance.
Fit & Features
- Smooth knit fabric, subtle sheen, stretchy knit lining
- Twist V-neckline, padded bra cups
- Adjustable spaghetti straps
- Strappy back detail
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Black-tie weddings, formal galas, engagement parties, rehearsal dinners, glam events
Style Number/Barcode: 05002-001008
Category Name: Mermaid Dresses
Price: $74.90
Availability: In Stock
Available Color: NAVY, YELLOW
Available Size: L, XL
Product Badge:- Back In Stock
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Giselle One-Shoulder Mermaid Glitter Formal Dress
Special Occasion
You'll radiant a sparkling glow in the Giselle glitter formal dress that perfectly catches the light with your every move! Strike the crowd with your demure in this one-shoulder dress designed with an elegant tie-back design and mermaid silhouette.
Fit & Features
- Glitter knit fabric, moderate stretch, stretchy knit lining
- One-shoulder neckline, tank shoulder strap, padded bra cups
- Tie-back design
- Cutout bodice
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, fancy date nights, dressy celebration parties, red-carpet events
Style Number/Barcode: 05002-000163
Category Name: Mermaid Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Gabriella Lace-Up Mermaid Formal Dress
Special Occasion
Glamorous, elegant, and timeless describe the Gabriella formal dress perfectly! This stunning dress makes heads turn with a lace-up back design and the mermaid silhouette that accentuates your gorgeous curves.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Square neckline, padded bra cups
- Spaghetti straps
- Lace-up back, lower ruched seam
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear: Weddings, black tie galas, garden parties, engagement parties, rehearsal dinners, fancy date nights
Style Number/Barcode: 05002-000221
Category Name: Mermaid Dresses
Price: $59.90
Availability: In Stock
Available Color: BROWN
Available Size: L, XL
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Brittany Off-The-Shoulder Mermaid Formal Dress
Special Occasion
Brittany is your sleek, effortless choice for after dark soirees. This mesh mermaid gown stuns with an off-the-shoulder neckline, sheer bodice, and ruched silhouette that flows into a barely-there floor-length hem.
Fit & Features
- Partially lined mesh fabric, moderate stretch
- Folded off-the-shoulder neckline
- Sheer bodice
- Side ruched seams, mermaid silhouette
- Sheer floor-legnth hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, upscale milestone celebrations, date nights, red carpet events, dinner parties, formal soirees, cocktail events
Style Number/Barcode: 05002-000168
Category Name: Mermaid Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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McKenzie Floral Halter Mermaid Formal Dress
Special Occasion
Designed to turn every entrance into a slow-motion moment. The dreamy McKenzie floral formal dress features delicate ruching, a cowl halter neckline, and a curve-loving mermaid fit!
Fit & Features
- Floral print, mesh-lined fabric
- Halter cowl neckline, bandeau-like top accent, padded bra cups
- Spaghetti straps
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, galas, black tie cocktail soirees, formal event, milestone celebrations
Style Number/Barcode: 05002-000164
Category Name: Mermaid Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Jayden Satin Strapless Corset Mermaid Formal Dress
Special Occasion
An entrance-maker with timeless allure, The Jayden captures the art of effortless sophistication. Crafted in satin with a structured strapless corset, pleated waist, and sweeping mermaid silhouette, it’s made for evenings that call for unforgettable elegance.
Fit & Features
- Stretch satin fabric, knit lining
- Strapless neckline
- Corset bodice, flexible boning, back zipper and hook-eye closure
- Pleated waist accent
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, military balls, fancy date nights, red carpet events, milestone celebrations, luxurious dinner parties
Style Number/Barcode: 05002-000171
Category Name: Mermaid Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Kaylie Rhinestone Mermaid Formal Dress
Special Occasion
The Kaylie gown was made for the spotlight, sculpting your figure in shimmering rhinestones with a dramatic mermaid silhouette. With wide straps and ruched detailing, it’s the kind of look that turns every step into a slow-motion moment.
Fit & Features
- Rhinestone-embellished, knit-lined fabric with stretch
- Scoop neckline, wide shoulder straps
- Side ruched seams
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, military balls, nights at the theatre, red-carpet occasions, big birthday events, elegant milestone celebrations
Style Number/Barcode: 05002-000169
Category Name: Mermaid Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
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Felicity Floral Lace-Up Mermaid Formal Dress
Special Occasion
Giving ethereal energy with every step. The Felicity floral formal dress offers a stunning lace-up back and sweeping mermaid silhouette made for candlelit entrances and slow dances!
Fit & Features
- Floral print, mesh fabric, stretchy knit lining
- Scoop neckline, padded bra cups
- Spaghetti straps
- Lace-up back
- Side ruched seams, mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, galas, garden parties, date nights, dressy shower celebrations, formal dinner parties
Style Number/Barcode: 05002-000174
Category Name: Mermaid Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lily Off-The-Shoulder Mermaid Formal Dress
Special Occasion
Designed to own every entrance. The Lily formal dress features luxe ruching, a sheer lace bodice, and an off-shoulder neckline, making this mermaid gown your RSVP to being the best-dressed.
Fit & Features
- Smooth knit stretchy, lined fabric
- Off-the-shoulder folded neckline, padded bra cups
- Sheer lace bodice
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, formal celebration events, fancy date nights, rehearsal dinners, anniversary parties, charity auction dinners
Style Number/Barcode: 05002-000182
Category Name: Mermaid Dresses
Price: $59.90
Availability: In Stock
Available Color: BLACK, WINE
Available Size: XS, S, M, L, XL
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Zoya Satin Corset Velvet Mermaid Dress
Special Occasion
Elevate your evening in the Zoya satin corset velvet mermaid dress, designed with a sleek strapless satin bodice and a dramatic, floor-sweeping velvet skirt. Luxe textures and a sculpted fit make it a true statement for your most glamorous nights.
Fit & Features
- Satin bodice, velvet skirt
- Strapless curved neckline
- Corset-style bodice, flexible boning
- Back zipper with hook-eye closure
- High-rise waist, ruched draped design
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Black-tie parties, formal weddings, galas, dinner parties, and fancy affairs.
Style Number/Barcode: 05002-000184
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kendal Lace Mermaid Formal Dress
Special Occasion
Designed to turn every entrance into a moment, the Kendal floor-length mermaid dress stuns in delicate lace with a soft cowl neckline and dramatic lace-up back. The silhouette skims and sculpts, offering just the right amount of allure.
Fit & Features
- Lace fabric, knit lining, moderate stretch
- Cowl neckline, padded bra cups
- Spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette
- Flared floor-length hem
- Runs true to size
Where to Wear:
Weddings, brides, rehearsal dinners, engagement parties and photoshoots, black tie galas, fancy date nights, anniversaries, formal events
Style Number/Barcode: 05002-000188
Category Name: Mermaid Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Sale
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Bonnie Ruched Mesh Mermaid Dress
Special Occasion
The Bonnie formal dress is made for your best-dressed entrance—sleek, sculpted, and softly dramatic. With ruched mesh fabric, a draped sweetheart neckline, and a floor-grazing mermaid train, it delivers instant polish with just the right amount of allure to look unforgettable.
Fit & Features
- Sheer mesh fabric with full-length knit lining, high stretch
- Sleeveless sweetheart neckline, padded bust, draped design
- Adjustable spaghetti straps
- Back zipper with hook-eye closure
- Ruching
- Floor-length mermaid silhouette with a train
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie parties, galas, and formal celebrations.
Style Number/Barcode: 05002-000637
Category Name: Mermaid Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: In Stock
Available Color: SAGE, ROSE
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Lilia Off-The-Shoulder Corset Mermaid Dress
Special Occasion
A dress that speaks in glamour, the Lilia satin mermaid dress stuns with an off-the-shoulder neckline and sculpted corset bodice. The dramatic high slit and ruched detailing make it the ultimate statement for black-tie evenings.
Fit & Features
- Stretch satin fabric, bust knit lining
- Sweetheart wired neckline, off-the-shoulder straps
- Corset bodice, padded bust, flexible boning
- Back zipper with hook-eye closure, ruched lower back
- Pleated faux-wrap front design, high-cut slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Formal weddings, black-tie parties, galas, red-carpet events, and fancy affairs.
Style Number/Barcode: 05002-000196
Category Name: Mermaid Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Helena Floral Velvet Burnout Mermaid Dress
Special Occasion
Sleek, sultry, and so on-trend—the Helena floral velvet burnout mermaid dress pairs a fitted bodice with a lace-up back for a look that’s both chic and daring. Perfect for those nights when you’re not just attending, you’re owning the moment.
Fit & Features
- Sheer mesh fabric with full-length knit lining
- Floral velvet burnout pattern
- Sleeveless scoop neckline, underbust seam
- Adjustable spaghetti straps
- Open lace-up back design, lower back ruching, zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Formal weddings, black-tie affairs, dinner parties, or romantic date nights.
Style Number/Barcode: 05002-000201
Category Name: Mermaid Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Luna Floral High Low Mermaid Formal Dress
Special Occasion
Sculpted to stun, the Luna Floral brocade strapless mermaid dress is made for moments that demand grace and glamour. The curve-skimming silhouette flows into a ruffle hem that moves beautifully with every step.
Fit & Features
- Floral brocade pattern, woven fabric, short woven lining
- Strapless neckline, padded bra cups, non-slip grip lining
- Back zipper and hook-eye closure
- Mermaid silhouette
- High-low ruffled hem
- Runs true to size
Where to Wear:
Homecoming, weddings, bridal showers, baby showers, fancy brunches, birthdays, date nights, milestone celebrations, black tie galas, garden parties
Style Number/Barcode: 05002-000203
Category Name: Mermaid Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lane Halter Strappy Lace Mermaid Formal Dress
Special Occasion
Set to stun at any formal soiree, the Lane lace formal dress captivates every eye with its beauty! This dress boasts a sultry halter plunge neckline atop a curve-hugging mermaid silhouette, while the low strappy back turns heads.
Fit & Features
- Lace-lined fabric
- Halter plunge neckline with bar strap accents, padded bra cups
- Low strappy back, zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie parties, galas, fancy dinner parties, formal celebrations, cocktail soirees, date night
Style Number/Barcode: 05002-000215
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ariel Velvet Slit Mermaid Formal Dress
Special Occasion
Opulent and unforgettable, the Ariel velvet gown drapes the figure with a liquid-like finish, featuring a sweetheart neckline and daring thigh slit. Finished with delicate straps and a floor-sweeping hem, it’s a timeless look that guarantees a showstopping entrance.
Fit & Features
- Velvet fabric
- Adjustable spaghetti straps
- V-neckline
- High side slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, upscale birthday events, milestone celebrations, holiday soirees, military ball, anniversary party
Style Number/Barcode: 05002-000209
Category Name: Mermaid Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Marabella Mesh Corset Mermaid Formal Dress
Special Occasion
Effortlessly alluring, the Marabelle mesh gown captivates with a corset-style bodice, daring thigh-high slit, and lace-up back detail. The sleek mermaid silhouette was made for entrances that linger long after you’ve arrived.
Fit & Features
- Mesh-lined fabric with stretch
- Cowl pleated neckline, padded bra cups
- Adjustable spaghetti straps
- Corset-style bodice with flexible boning, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Black tie weddings, galas, charity and military balls, red-carpet events, rehearsal dinners, engagement parties, upscale birthdays, formal milestone celebrations
Style Number/Barcode: 05002-000210
Category Name: Mermaid Dresses
Price: $64.90
Availability: In Stock
Available Color: PURPLE, NAVY
Available Size: XS, S, M, L, XL
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Valeria Satin Lace Corset Mermaid Formal Dress
Special Occasion
Made for unforgettable entrances, the Valeria satin mermaid gown highlights every curve with its sculpted silhouette and strapless lace-detailed bodice. A sleek finish and floor-sweeping hemline set the stage for pure red-carpet glamour.
Fit & Features
- Stretch satin fabric, knit lining
- Strapless neckline, padded bra cups
- Corset embellished bodice
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, military balls, opera nights, engagement parties, formal celebrations, holiday soirees, red-carpet occasions, anniversaries
Style Number/Barcode: 05002-000219
Category Name: Mermaid Dresses
Price: $129.90
Availability: Out of Stock
Product Badge:- Ships Free