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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Winnie Velvet Corset Mermaid Dress
The velvet dress features a sleeveless halter neckline, a corset bodice accented with flexible boning, a high slit, and a wrap mermaid silhouette. Complete formal outfit with rhinestone earrings.
Fit & Features
- Lined velvet fabrication
- Sleeveless halter neckline
- Corset bodice
- High slit
- Wrap mermaid silhouette
- Long hem length
- Runs true to size
Style Number/Barcode: 05002-8875
Category Name: Mermaid Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Estelle Strappy Open-Back Ruched Mermaid Dress
Special Occasion
The long dress features a sleeveless cowl neckline, adjustable spaghetti straps, an open back with a multi-strap design, ruching, and a mermaid silhouette with a bold high side slit. Complete the formal outfit with a rhinestone clutch.
Fit & Features
- Lined smooth knit fabrication
- Sleeveless cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Ruching, back zipper and hook-eye closure
- Open back with multi-strap design
- High side slit
- Mermaid silhouette
- Long hem length
- Runs true to size
Style Number/Barcode: 05002-8882
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Margot One-Shoulder Cowl Neck Mermaid Dress
Special Occasion
Showcase your gorgeous curves in the stunning Margot formal dress designed with a smooth knit fabric with plenty of stretch. It features a one-shoulder neckline with a tank strap and a single spaghetti strap, a sultry sweetheart bust with a draped cowl neck overlay, a ruched bodice, and a floor-length mermaid silhouette to flaunt your figure.
Fit & Features
- Smooth knit fabric with plenty of stretch, stretchy knit lining
- One-shoulder neckline with tank strap, single spaghetti strap
- Sweetheart bust, padded bust, draped cowl neck overlay
- Ruched bodice, high waist seam
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8876
Category Name: Mermaid Dresses
Price: $62.90
Availability: Out of Stock
Product Badge:- Sale
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Cynthia One-Shoulder Cowl Neck Mermaid Dress
Special Occasion
Showcase your gorgeous silhouette in the Cynthia formal mermaid dress made with smooth knit fabric offering plenty of stretch. It features an asymmetric one-shoulder neckline with a tank-like shoulder strap, adjustable spaghetti strap, and short sleeve cuff, a chic draped cowl design at the bust, front ruching leading to a high-cut slit, and a floor-length mermaid fit to hug your stunning curves.
Fit & Features
- Smooth knit fabric with full-length knit lining, plenty of stretch
- Asymmetric one-shoulder neckline, draped cowl design, padded bust
- Tank shoulder strap, adjustable spaghetti strap, short sleeve cuff
- High waist seam
- Front ruching, high front slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8877
Category Name: Mermaid Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kienna Long Sleeve Velvet Mermaid Dress
Special Occasion
Make a regal impression in a long dress that features a luxe velvet fabrication, a structured sweetheart neckline, fitted long sleeves, a bold high side slit, and a mermaid silhouette. Complete look with a rhinestone clutch for the perfect wedding guest outfit.
Fit & Features
- Velvet fabrication, stretchy knit lining
- Sweetheart neckline, padded bra cups
- Long sleeves, shoulder pads
- Back zipper and hook-eye closure
- High side slit
- Long hem length
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8878
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Sonya Off-The-Shoulder Velvet Mermaid Dress
Special Occasion
The Sonya long velvet mermaid dress features an off-the-shoulder neckline with long fitted sleeves, a ruched front seam leading to a bold high-cut slit, and a floor-sweeping mermaid silhouette. Complete the formal outfit with a rhinestone necklace set.
Fit & Features
- Velvet fabric with knit lining, moderate stretch
- Off-the-shoulder neckline, no-slip strip, long fitted sleeves
- Dart seams, high waist seam
- Back zipper with hook-eye closure, ruched lower back
- Ruched front seam, high-cut slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8879
Category Name: Mermaid Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tricia V-Neck Open Back Mermaid Glitter Formal Dress
Special Occasion
Create dazzling memories in the Tricia glitter formal dress at black tie events! The formal dress shines from every angle featuring a sultry open back, a mermaid silhouette that accentuates your curves, and a floor-length hem. Complete the look with earrings.
Fit & Features
- Glitter fabric, stretchy knit lining
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Open back with hook closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8884
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Loreli Lace-Up Glitter Striped Mermaid Gown
Special Occasion
Have your princess moment in the Loreli floor-length gown at dances and red-carpet events! Designed to captivate with glitter and textured stripes on the mesh fabric, this dress features a corset sheer bodice with flexible boning and a striking lace-up back atop the form-hugging mermaid silhouette. Pair the gown with a hair accessory and ring set.
Fit & Features
- Glitter and textured striped design
- Mesh fabric, stretchy knit lining
- Sweetheart neckline, padded bra cups, spaghetti straps
- Corset sheer bodice, flexible boning
- Lace-up back, zipper and hook-eye closure
- Mermaid silhouette, floor-length bonded hem
- Runs true to size
Style Number/Barcode: 05005-0137
Category Name: Mermaid Dresses
Price: $99.97 $229.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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April Lace-Up Velvet Corset Mermaid Dress
Special Occasion
The long velvet dress features a sleeveless v-neckline, a corset bodice with flexible boning, spaghetti straps that leads to a cross-back design, a lace-up back accent, and a mermaid silhouette enhanced with a high side slit.
Fit & Features
- Velvet fabrication
- Sleeveless v-neckline
- Corset bodice with flexible boning
- Spaghetti straps that lead to cross-back design
- Lace-up back, lower zipper and hook-eye closure
- High side slit
- Long hem length, mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8894
Category Name: Mermaid Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lille Lace-Up Corset Rhinestone Mermaid Gown
Special Occasion
Watch every head turn towards you in the Lille floor-length formal gown at dances and red-carpet events. Crafted from a lightweight mesh fabric, the sleeveless formal dress boasts a stunning corset bodice with a lace-up back design and a sheer trim on top of a figure-hugging mermaid silhouette.
Rich, radiant, and effortlessly glamorous—this dress was made to stand out. Keep the regal energy going with our stunning purple prom dresses or embrace glam and elegance with formal dresses.
Fit & Features
- Lightweight mesh fabric, stretchy knit lining
- Applique with rhinestone embellishments
- Square neckline, padded bra cups, adjustable spaghetti straps
- Corset bodice, flexible boning, sheer trim
- Lace-up back, lower zipper with hook-eye closure
- Mermaid silhouette, bonded floor-length hem
- Runs true to size
Where to Wear:
Prom, galas, and formal birthday celebrations.
Style Number/Barcode: 05005-0138
Category Name: Mermaid Dresses
Price: $109.97 $249.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Molly Lace-Up Mermaid Glitter Formal Dress
Special Occasion
Prepare to amaze in the Molly glitter formal dress designed to sparkle at any dressy event! The formal dress features a striking lace-up back design and a curve-hugging mermaid silhouette that effortlessly flares out into a floor-length hem. Pair with earrings and a clutch.
Fit & Features
- Glitter mesh fabric, stretchy knit lining
- Cowl neckline
- Spagehtti straps
- Lace-up back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8903
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Azzura Cowl Neck Mermaid Glitter Formal Dress
Special Occasion
The Azzura glitter formal dress is a dream option to own the spotlight! Designed with a flattering cowl neckline and a mermaid fit that effortlessly hugs your curves to a knockout silhouette.
Fit & Features
- Glitter knit fabric, stretchy knit lining
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette
- Bonded floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, black-tie parties, red-carpet events, and glam functions.
Style Number/Barcode: 05002-8899
Category Name: Mermaid Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Sale
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Undeniable Lace Sweetheart Velvet Midi Dress
Look undeniably chic in this velvet midi dress showcasing a partially sheer lace bodice for romance and a figure-flattering mermaid silhouette. The dress features a sleeveless sweetheart neckline with lined and padded cups, velvet adjustable spaghetti straps for a customized fit, and a secure back zipper closure.
Fit & Features
- Partially sheer floral lace bodice
- Sweetheart neckline with lined and padded cups
- Velvet adjustable spaghetti straps
- V-shaped back, zipper with hook-eye closure
- Velvet mermaid silhouette, moderate stretch
- Midi-length hem
- Runs true to size
Style Number/Barcode: 05101-3735
Category Name: Mermaid Dresses
Price: $9.97 $48.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sleek Silhouette Ribbed Knit Off-The-Shoulder Midi Dress
Showcase a sleek silhouette in this ribbed knit midi dress featuring an off-the-shoulder neckline with a fold-over design and a mermaid silhouette to highlight your curves. Style with knee-high boots for a chic look.
Fit & Features
- Ribbed knit fabric, plenty of stretch
- Off-the-shoulder neckline
- Fold-over design, short sleeves
- Midi-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05102-5896
Category Name: Mermaid Dresses
Price: $14.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Aliana Cutout Lace And Satin Mermaid Dress
Special Occasion
Create a gorgeously chic look for your formal affair in Aliana dress designed with a sheer lace bodice with a contrast nude-tone lining and a satin-knit floor-length mermaid silhouette. It features a sleeveless V-neckline, adjustable spaghetti straps for a customized fit, and dual waist cutouts for a sultry detail.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Sheer lace bodice with nude-tone lining
- V-neckline with lace trim
- Adjustable spaghetti straps
- Back zipper closure
- Dual waist cutouts, angled high waist seam
- Satin-knit floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8909
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kindra High-Slit Mermaid Halter Dress
Special Occasion
Go bold in a long mermaid dress that features a plunging halter neckline with a U-shaped bust, adjustable neck ties, ruching, a high side slit, and a captivating mermaid silhouette. Complete your formal outfit with a sleek rhinestone clutch.
Fit & Features
- Lined mesh fabrication, moderate stretch
- Plunging halter neckline, U-shaped bust
- Halter neck ties
- High side slit
- Ruching
- Mermaid silhouette
- Long length hem
- Runs true to size
Style Number/Barcode: 05002-8924
Category Name: Mermaid Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Cassia Satin And Sheer Lace Corset Mermaid Dress
Special Occasion
Dare to showcase a sleek and sultry allure at your black-tie affair in the Cassia satin knit mermaid dress designed with a sheer lace corset bodice with floral applique accents for a chic detail. It features a strapless straight-across neckline with a padded bust, flexible boning for structure, and a high-cut front slit along the floor-length, curve-hugging mermaid silhouette.
Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.
Fit & Features
- Satin knit fabric with moderate stretch
- Strapless straight neckline, no-slip strip, padded bust
- Sheer lace corset bodice with floral applique design
- Flexible boning, back zipper with hook-eye closure
- Angled side seam, high-cut front slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8926
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Morgana Lace-Up Ruched Mermaid Dress
Special Occasion
The long formal dress features a sleeveless sweetheart neckline with floral lace trim, lace flutter shoulder straps, a lace-up back design, ruching throughout to enhance curves, and a mermaid silhouette that flares at the hem.
Fit & Features
- Lined smooth knit fabrication
- Sleeveless sweetheart neckline with lace trim, padded bra cups
- Lace flutter shoulder straps
- Lace-up back design
- Ruching
- Mermaid silhouette
- Long length hem
- Runs true to size
Style Number/Barcode: 05002-9179
Category Name: Mermaid Dresses
Price: $69.90
Availability: In Stock
Available Color: BURGUNDY
Available Size: XS, S, M, L
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Denise Halter Tie-Back Mermaid Formal Dress
Special Occasion
Bring an elevated allure to every event in the Denise mermaid formal dress. With a show-stopping tie-back design and a sultry halter V-neckline, this floor-length dress will keep all the eyes on you.
Fit & Features
- Smooth knit stretch fabric lined with stretchy knit
- Halter V-neckline, padded bra cups
- Tie-back design, zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8931
Category Name: Mermaid Dresses
Price: $49.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Deirdre Satin and Lace Sleeveless Mermaid Dress
Special Occasion
Radiate modern sophistication with a long satin dress that makes an unforgettable impression! The dress features a sleeveless v-neckline with contrasting lace overlay, a tie-front accent at the bust, adjustable spaghetti straps, and a mermaid silhouette. Complete your formal outfit with metallic heels.
Fit & Features
- Premium satin fabric, short chiffon lining
- Sleeveless V-neckline
- Sheer lace overlay at the bust
- Adjustable spaghetti straps
- Long hem length
- Mermaid silhouette, high side slit
- Runs true to size
Style Number/Barcode: 05002-8933
Category Name: Mermaid Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Alanna Glitter Mesh Long Sleeve Mermaid Dress
Special Occasion
Glam up your formal affair in the Alanna mermaid dress crafted with glitzy glitter mesh fabric with a partial knit lining for coverage. It features a plunging V-neckline accented with a cutout below the bust, sheer long fitted sleeves, and a high-cut front slit to showcase some leg on the floor-length mermaid silhouette.
Fit & Features
- Sheer glitter mesh fabric with partial knit lining
- Plunging V-neckline, center cutout below the bust
- Sheer long fitted sleeves, back zipper closure
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8940
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Daniella Bustier Lace-Up Lace Sequin Mermaid Gown
Special Occasion
Your walk into the event or dance will be exceptionally glamorous in the Daniella lace sequin gown. Made from a beautiful lace sequin embellished fabric, this formal dress is designed to wow with a bustier bodice, lace-up back, and a stunning mermaid floor-length hem. Pair with a necklace.
All eyes are on you in this radiant dress. If sparkle is your signature, discover stunning sequin prom dresses or opt for effortless sophistication with our eye-catching formal dresses.
Fit & Features
- Sequin embellished lace lined fabric with stretch knit
- Sweetheart neckline, spaghetti straps
- Bustier bodice, padded bra cups, flexible boning
- Lace-up back, zipper and hook-eye closure
- Mermaid silhouette, bonded floor-length hem
- Runs true to size
Style Number/Barcode: 05005-0141
Category Name: Mermaid Dresses
Price: $109.97 $249.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Marie Cold Shoulder Corset Lace-Up Mermaid Gown
Special Occasion
An evening of magic awaits in the Marie glitter sequin gown to make a sparkling entrance into prom or a ball! Designed with wow, this formal gown memorizes the crowd with the sheer corset bodice, mermaid silhouette that accentuates your curves for an hourglass effect, and a voluminous floor-length hem that gives a dramatic flair. Pair this dress with a necklace and heels.
This captivating dress is just the beginning. From deep navy to icy pastels, discover more flattering blue prom dresses or elevate your look with sophisticated formal dresses.
Fit & Features
- Glitter and sequin embellished pattern
- Tulle fabric lined with stretchy knit
- Cold shoulder neckline, short-sleeve cuffs, adjustable spaghetti straps
- Padded bra cups, corset bodice, flexible boning
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette, bonded floor-length hem
- Runs true to size
Style Number/Barcode: 05005-0143
Category Name: Mermaid Dresses
Price: $19.97 $219.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Drea Floral Velvet Burnout Lace-Up Mermaid Dress
Special Occasion
Create a captivating look that exudes romance in the Drea mermaid dress designed with lined mesh with a chic velvet burnout design and a bold metallic-like floral pattern. She features a sleeveless square neckline with adjustable spaghetti straps for a customized fit, an alluring open back with a lace-up strappy design, and a floor-length mermaid silhouette to highlight your stunning curves.
Fit & Features
- Sheer mesh fabric with velvet burnout design, metallic-like floral pattern
- Stretchy knit lining
- Square neckline
- Adjustable spaghetti straps
- Open back, lace-up strappy design with tie closure
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8939
Category Name: Mermaid Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free