Mermaid Dresses

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.

  • Fia Sleeveless Velvet Wrap Corset Mermaid Dress

    Special Occasion 

    Make your grand entrance with a long velvet dress that elevates your special evening! The sleeveless dress features a sweetheart neckline, a corset-like bodice with boning, adjustable spaghetti straps, and a wrap mermaid silhouette. Complete with a luxe rhinestone jewelry set. 

    Fit & Features

    • Velvet fabric with top knit lining, moderate stretch
    • Sleeveless sweetheart neckline, structured padded bust
    • Corset-like bodice, contrasting piping, flexible boning
    • Adjustable spaghetti straps, back zipper with hook-eye closure
    • High wrap silt
    • Floor-length mermaid silhouette
    • Runs true to size

     

    Where to Wear:

    Black-tie weddings, galas, charity balls, red-carpet events, engagement parties, luxury dinner parties, milestone celebrations, holiday soirees

    Style Number/Barcode: 05002-000122

    Category Name: Mermaid Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS, S

    Product Badge:
    • Ships Free
  • Tova Off The Shoulder Glitter Mermaid Dress

    Special Occasion

    Grace your event in a shimmering glitter knit mermaid dress that features an elegant off-the-shoulder neckline with a foldover accent, sheer ruched long sleeves, and a sweeping long-length hem. Complete your formal event outfit with glitter block heels. 

    Fit & Features

    • Glitter knit fabrication, stretchy knit lining
    • Off-the-shoulder neckline, foldover accent
    • Back zipper and hook-eye closure
    • Sheer ruched long sleeves
    • Mermaid silhouette
    • Long length hem
    • Runs true to size

    Style Number/Barcode: 05002-8741

    Category Name: Mermaid Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Mckenna Velvet Flocked Lace Mermaid Dress

    Special Occasion

    Showcase chic luxury at black-tie galas in the Mckenna formal dress crafted with sheer floral lace fabric with a velvet flocked design and a nude-tone lining. It features a sleeveless V-neckline with a ruched padded bust, spaghetti straps that lead to an open back with a lace-up strappy design, a high-cut front slit, and a floor-sweeping mermaid silhouette to hug your curves.

    Fit & Features

    • Sheer floral lace fabric with velvet flocked design, nude-tone lining
    • V-neckline with padded bust, ruching, underbust seam
    • Spaghetti straps, open back, cross-back lace-up strappy design
    • Lower back zipper closure
    • High front slit
    • Floor-length mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8743

    Category Name: Mermaid Dresses

    Price: $69.90

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Marley Lace-Up Mermaid Crepe Formal Dress

    Special Occasion

    This strapless crepe formal dress features a stunning lace-up back and mermaid silhouette that shapes the high-low hem. Perfect for the school dance or a banquet.

    Fit & Features

    • Crepe fabric, bust lining, moderate stretch
    • Strapless neckline, padded bra cups
    • Lace-up back, lower zipper and hook-eye closure
    • Cutout bust
    • Mermaid high-low silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8755

    Category Name: Mermaid Dresses

    Price: $9.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Jemma Embellished Studded Sleeveless Mermaid Dress

    Special Occasion

    Bring the glitz in a long mermaid dress that features a sleeveless wired sweetheart neckline, adjustable spaghetti straps for customized fit, and dazzling tonal rhinestone embellishments. Complete your formal outfit with a rhinestone clutch. 

    Fit & Features

    • Lined mesh fabrication, tonal rhinestone embellishments
    • Sleeveless wired sweetheart neckline
    • Adjustable spaghetti straps
    • Long length hem
    • Mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8756

    Category Name: Mermaid Dresses

    Price: $29.97 $129.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Kiana Rhinestone Sheer Mesh Mermaid Dress

    Special Occasion

    Dare to step into your sultry era in the Kiana formal dress crafted with sheer mesh fabric and a glamorous chic asymmetric rhinestone-embellished design. It features a sleeveless sweetheart neckline with a built-in bra with lining, adjustable spaghetti straps for a customized fit, and a floor-length mermaid silhouette to highlight your stunning curves.

    Fit & Features

    • Sheer mesh fabric with lined bust, sheer lining
    • Asymmetric rhinestone-embellished design
    • Sweetheart neckline, built-in bra with lining
    • Adjustable spaghetti straps, back zipper closure
    • Floor-length mermaid silhouette
    • Panty lining not included
    • Runs true to size

    Style Number/Barcode: 05002-8771

    Category Name: Mermaid Dresses

    Price: $29.97 $149.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Steff Off-The-Shoulder Mermaid Slit Formal Dress

    Special Occasion

    An off-the-shoulder formal dress features a twisted sweetheart neckline and a flattering mermaid silhouette boasting a high front slit. Perfect for homecoming or a banquet.

    Fit & Features

    • Smooth knit fabric, moderate stretch
    • Off-the-shoulder sweetheart twisted neckline
    •  High front slit
    • Mermaid floor-length silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8768

    Category Name: Mermaid Dresses

    Price: $29.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Aubriella Rhinestone And Pearl Mesh Mermaid Dress

    Special Occasion

    Create an enchanting formal look in the Aubriella mermaid dress crafted with a lined mesh fabric embellished with mini iridescent rhinestones and faux pearls for a gorgeous shimmer. The dress features a feminine off-the-shoulder neckline with short sleeves, a wrap front and back design at the bodice, ruched side seams to accentuate your curves, and a floor-sweeping mermaid silhouette.

    Fit & Features

    • Sheer mesh fabric with knit lining, plenty of stretch
    • Iridescent rhinestone and faux pearl embellishments
    • Off-the-shoulder neckline, short sleeves
    • Wrap front and back design
    • Ruched side seams
    • Floor-length mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8769

    Category Name: Mermaid Dresses

    Price: $19.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Emmaline Lace Trim Cutout Crepe Mermaid Dress

    Special Occasion

    Showcase your stunning curves in the Emmaline mermaid dress at your next formal affair. The crepe dress is designed with a sleeveless sweetheart neckline, adjustable spaghetti straps for a customized fit, a sheer lace back leading to a lower back cutout with a dainty lace trim, and a floor-length mermaid silhouette to flaunt your gorgeous figure.

    Fit & Features

    • Crepe fabric, moderate stretch
    • Sweetheart neckline, structured bust
    • Adjustable spaghetti straps
    • Sheer lace back design, hook-eye closures
    • Lower back cutout, lace trim, zipper closure
    • Floor-length mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8767

    Category Name: Mermaid Dresses

    Price: $9.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Sloane Rhinestone And Faux Pearl Mermaid Dress

    Special Occasion

    The long mermaid dress features a sleeveless halter neckline with a high neck collar, faux pearls and rhinestones in a draped geometric pattern, and a back zipper closure. Complete the formal outfit with a pair of chandelier earrings. 

     

    A sleek and undeniably stunning pick! If you love a striking look, discover chic black prom dresses or embrace elegance with our stylish formal dresses.

    Fit & Features

    • Lined mesh fabrication
    • Sleeveless halter neckline
    • High-neck collar
    • Faux pearls and rhinestones
    • Draped geometric pattern
    • Long length hem
    • Mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8775

    Category Name: Mermaid Dresses

    Price: $9.97 $169.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Glinda V-Neck Bow Lace Mermaid Formal Dress

    Special Occasion

    A sleeveless formal dress features adjustable spaghetti straps, a flattering ribbon bow and lace trim V-neckline, and padded bra cups for support. The mermaid silhouette effortlessly wraps your curves while the floor-length hem adds drama. 

    Fit & Features

    • Lace fabric lined with stretchy knit
    • Ribbon bow lace trim V-neckline
    • Adjustable spaghetti straps
    • Padded bra cups
    • Back zipper and hook-eye closure
    • Mermaid floor-length silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8779

    Category Name: Mermaid Dresses

    Price: $14.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Chic Arrival Cutout Bodycon Midi Dress

    Fit & Features

    • Smooth knit fabric with plenty of stretch
    • Sweetheart neckline, draped pleated cowl neck overlay
    • Spaghetti straps
    • Front cutout at waist
    • Midi-length mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05101-3592

    Category Name: Mermaid Dresses

    Price: $9.97 $39.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Romina Lace Cowl Neck High Slit Mermaid Dress

    Special Occasion

    Showcase chic elegance in the Romina formal mermaid dress crafted with sheer detailed lace fabric with a complete knit lining. It features a sleeveless sweetheart neckline with a built-in padded bust, a draped cowl neck overlay, adjustable spaghetti straps for a customized fit, and a floor-length mermaid silhouette accented with a high-cut front slit.

    Fit & Features

    • Sheer lace fabric with knit lining, moderate stretch
    • Sweetheart neckline with padded bust, draped cowl neck overlay, underbust seam
    • Adjustable spaghetti straps
    • Back zipper with hook-eye closure, ruching
    • High front slit
    • Floor-length mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8781

    Category Name: Mermaid Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Adelyn Rhinestone Mesh Strapless Mermaid Dress

    Special Occasion

    Exude luxe glamour at your next black-tie affair in the Adelyn formal dress crafted with lined mesh fabric and silver and tonal rhinestone embellishments in a gorgeous starburst design. It features a strapless sweetheart neckline with a structured bust, a secure back zipper closure, and a floor-sweeping mermaid silhouette to hug your curves.

    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

    • Sheer mesh fabric with lining
    • Silver and tonal rhinestone embellishments
    • Strapless sweetheart neckline, built-in padded underwire bust
    • High waist seam
    • Back zipper closure
    • Floor-length mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8785

    Category Name: Mermaid Dresses

    Price: $19.97 $159.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Annika Pearl And Rhinestone Ruched Mesh Mermaid Dress

    Special Occasion

    Enchant with your glamorous aura in the Annika formal mermaid dress crafted with airy lined mesh fabric embellished with dainty tonal faux pearls and mini rhinestones. It features a sleeveless square neckline, adjustable spaghetti straps, ruching to accentuate your gorgeous curves, and a floor-length mermaid silhouette with a high front slit to showcase your stiletto heels.

    Make your entrance unforgettable in this dress. For more glam styles, explore intricate embellishments on beaded prom dresses or be ready to celebrate in wedding guest dresses.

    Fit & Features

    • Sheer mesh fabric with knit lining, plenty of stretch
    • Tonal faux pearl and mini rhinestone embellishments
    • Square neckline, adjustable spaghetti straps
    • Ruched detailing
    • High front slit
    • Floor-length mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8784

    Category Name: Mermaid Dresses

    Price: $19.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Adele Sleeveless Lace Mermaid Dress With Bolero

    Special Occasion

    Create an elegantly chic look in the Adele mermaid dress designed with sheer lace fabric with a full-length knit lining. It features a sleeveless square neckline, adjustable spaghetti straps for a customized fit, a floor-sweeping mermaid silhouette to showcase your gorgeous curves, and a sheer lace long sleeve bolero for added coverage that can be removed.

    Fit & Features

    • Sheer lace fabric with knit lining, moderate stretch
    • Square neckline
    • Adjustable spaghetti straps
    • Underbust and high waist seams
    • Floor-length mermaid silhouette
    • Removable sheer lace long sleeve bolero
    • Runs true to size

    Style Number/Barcode: 05002-8783

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Alondra Ruched Velvet Front Slit Mermaid Dress

    Special Occasion

    Capture beauty in the Alondra formal velvet long dress that makes the perfect plus one for any event. The dress features curve-enhancing ruching and a high front slit to show some skin along the mermaid floor-length silhouette. Complete the look with earrings and heels.

    Fit & Features

    • Velvet fabric, moderate stretch
    • Square neckline
    • Adjustable spaghetti straps
    • Ruched bodice and waist
    • High front slit
    • Floor-length mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8792

    Category Name: Mermaid Dresses

    Price: $19.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Elodie Beaded Floral Lace Mermaid Dress

    Special Occasion

    Gorgeously intricate, the Elodie formal dress is crafted with sheer floral lace fabric with lining and glamorous sequin and beaded embroidery for a luxe look. It features a sleeveless V-neckline with a padded bust, adjustable spaghetti straps to find your customized fit, and a floor-sweeping mermaid silhouette accented with a high-cut front slit.

    This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.

    Fit & Features

    • Sheer floral lace fabric with stretchy knit lining
    • Sequin and beaded embroidery
    • V-neckline, padded bust
    • Adjustable spaghetti straps, back zipper hook-eye closure
    • High waist seam
    • Floor-length mermaid silhouette, high front slit
    • Runs true to size

    Style Number/Barcode: 05002-8786

    Category Name: Mermaid Dresses

    Price: $49.97 $109.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Axelle High Slit Open Back Mermaid Dress

    Special Occasion 

    Elevate your formal event with a dress that features a cowl neckline, a daring open back with criss-cross straps, and a mermaid silhouette accented with a ruffled high-side slit. Complete the outfit with chrome platform heels. 

    Fit & Features

    • Stretchy smooth knit fabrication, sewn-in knit lining
    • Sleeveless cowl neckline
    • Open back with criss-cross adjustable straps and draped accent
    • Mermaid silhouette
    • Ruffled high-side slit
    • Long length hem
    • Runs true to size

    Style Number/Barcode: 05002-8796

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Ines Glitter Lurex Off-The-Shoulder Mermaid Dress

    Special Occasion

    Make jaws drop when you arrive in the Ines glitter floor-length dress at galas or black tie events. The formal dress boasts an off-the-shoulder neckline perfect for styling with a necklace and a flattering mermaid silhouette.

    Fit & Features

    • Glitter lurex fabric with knit lining, moderate stretch
    • Off-the-shoulder neckline, sweetheart padded bust, short sleeve cuffs
    • Ruched side seams
    • Long mermaid silhouette
    • Runs true to size 

    Style Number/Barcode: 05002-8689

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Haisley Open Back Floral Lace Mermaid Dress

    Special Occasion

    Bring the charm in a long lace dress that features a sleeveless cowl neckline, adjustable spaghetti straps, an open-back design accented with a bar back, a floral lace pattern, and a mermaid silhouette. Complete the look with a sleek rhinestone clutch for the perfect wedding guest outfit. 

    Fit & Features

    • Lined lace fabrication
    • Sleeveless cowl neckline, padded bust
    • Adjustable spaghetti straps
    • Open back with bar strap accent, zipper and hook-eye closure
    • Floral lace pattern
    • Long hem length, mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8803

    Category Name: Mermaid Dresses

    Price: $64.90

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Alessandra Sleeveless Flocked Velvet Mermaid Dress

    Special Occasion

    The long mermaid dress features a sleeveless cowl neckline, adjustable spaghetti straps, a sheer corset-like bodice with flexible boning, and a floral flocked velvet pattern. Complete the formal outfit with a rhinestone clutch.

    Fit & Features

    • Lined mesh and velvet fabrication
    • Sleeveless cowl neckline
    • Adjustable spaghetti straps
    • Sheer corset-like bodice with flexible boning
    • Floral flocked velvet pattern
    • Long length hem
    • Mermaid silhouette
    • Runs true to size 

    Style Number/Barcode: 05002-8808

    Category Name: Mermaid Dresses

    Price: $39.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Rani Sleeveless Strappy Open-Back Beaded Mermaid Dress

    Special Occasion

    The long mermaid dress features a sleeveless v-neckline, adjustable spaghetti straps, an open-back design accented with multiple spaghetti straps, and a beaded embellished pattern. Complete the formal outfit with a rhinestone clutch. 

     

    Make your entrance unforgettable in this dress. For more glam styles, explore intricate embellishments on beaded prom dresses or be ready to celebrate in wedding guest dresses.

    Fit & Features

    • Lined mesh fabrication, beaded embellishments
    • Sleeveless v-neckline
    • Adjustable spaghetti straps
    • Open back accented with multi-strap design
    • Back zipper and hook-eye closure
    • Long length hem
    • Mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8948

    Category Name: Mermaid Dresses

    Price: $69.97 $149.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Irie Contrast Trim Long Crepe Mermaid Dress

    Special Occasion 

    Make your night an elegant affair with a stunning long crepe dress that features a sleeveless sweetheart neckline with a white-hued contrast trim, adjustable spaghetti straps for secure fit, and a curve-hugging mermaid silhouette. Complete your wedding guest outfit with chrome heels. 

    Fit & Features

    • Crepe fabrication, moderate stretch
    • Sleeveless sweetheart neckline
    • White-hued contrast trim at bust
    • Adjustable spaghetti straps, back zipper closure
    • Mermaid silhouette
    • Long hem length 
    • Runs true to size

    Style Number/Barcode: 05002-8819

    Category Name: Mermaid Dresses

    Price: $19.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free