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.

  • Sereia Halter Floral Mermaid Formal Dress

    Special Occasion

    Pretty florals and an elegant silhouette make the Sereia mermaid formal dress a gorgeous style this season! Pair with kitten stiletto heels for a chic look.

    Fit & Features

    • Floral print, mesh-lined fabric
    • Halter V-neckline, tie closure, partially open back
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, garden parties, glamorous events, fancy date nights, graduations, milestone celebration events

    Style Number/Barcode: 05002-9441

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Kailey Lace-Up Mermaid Sequin Beaded Formal Dress

    Special Occasion

    Step into sophistication in the Kailey sequin beaded formal dress with a sexy lace-up back and mermaid silhouette that gives the illusion of a chic hourglass figure! 

    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 beaded mesh fabric lined with stretchy knit
    • Cowl V-neckline with bar accent
    • Spaghetti straps
    • Lace-up back, lower zipper and hook-eye closure
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, romantic date nights, glam functions and events, birthdays

    Style Number/Barcode: 05002-9439

    Category Name: Mermaid Dresses

    Price: $19.97 $99.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Cordella Sweetheart Mermaid Sit Satin Formal Dress

    Special Occasion

    From the chiffon flutter sleeves to the high front slit, the Cordella satin formal dress showcases your beauty and curves in a mermaid silhouette!

    Fit & Features

    • Stretch satin fabric, sewn-in stretchy knit lining
    • Chiffon flutter sleeves
    • Chiffon sweetheart neckline, padded bra cups
    • Back zipper and hook-eye closure
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, bridesmaids, black tie galas and events, engagement parties, nights at the opera and theatre, cocktail soirees

    Style Number/Barcode: 05002-9450

    Category Name: Mermaid Dresses

    Price: $14.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Korey Lace-Up Mermaid Abstract Formal Dress

    Special Occasion

    Bold, daring, and ultra flattering. The Korey formal dress makes a statement with a sultry lace-up back, a mermaid silhouette that hugs your curves, and a floor-length hem for a bit of drama!

    Fit & Features

    • Abstract print, mesh fabric, stretchy knit lining
    • Cowl neckline, spaghetti straps
    • Lace-up back
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, big milestone parties, sunset dinner dates, birthdays, cocktail soirees

    Style Number/Barcode: 05002-9449

    Category Name: Mermaid Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Kylie Lace-Up Mermaid Glitter Formal Dress

    Special Occasion

    Make it a night to remember in the Kylie glitter formal dress with a head-turning lace-up back and mermaid silhouette that perfectly accentuates your natural curves!

    Fit & Features

    • Glitter knit fabric lined with stretchy knit
    • Square neckline, padded bra cups
    • Adjustable spaghetti straps
    • Lace-up back, flexible boning
    • Side ruched seams, mermaid silhouette, floor-length hem
    • Runs true to size
    • Extra glitter for maximum sparkle - may have some natural fallout

     

    Where to Wear: 

    Prom, red-carpet events, sweet sixteens

    Style Number/Barcode: 05002-9473

    Category Name: Mermaid Dresses

    Price: $14.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Ready To Bloom Strapless Lace-Up Floral Maxi Dress

    With the warmer months ahead it's time to bloom in this floral maxi dress perf for vacations and weekend getaways! The dress boasts an eye-catching lace-up back and a mermaid silhouette that accentuates your natural curves.

    Fit & Features

    • Floral print, knit fabric lined with stretchy knit
    • Lace-up back
    • Mermaid silhouette
    • Ruffled maxi-length hem
    • Runs true to size

    Style Number/Barcode: 05101-4080

    Category Name: Mermaid Dresses

    Price: $9.97 $49.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Shelia Lace-Up Mermaid Glitter Formal Dress

    Special Occasion

    Cheers to a glam and gorgeous night in the Shelia glitter formal dress! Designed with a head-turning lace-up back and mermaid silhouette, you'll be the hit of the event or party.

    This dress is all about confidence. Want more ways to stand out? Shop our sleek black prom dresses or find a celebration-ready look in our wedding guest dresses.

    Fit & Features

    • Glitter fabric lined with stretchy knit
    • Cowl neckline, padded bra cups
    • Wide shoulder straps
    • Lace-up back
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, formal parties, milestone celebrations, galas

    Style Number/Barcode: 05002-9504

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Liz Lace-Up Mermaid Glitter Formal Dress

    Special Occasion

    All eyes on you in the head-turning Liz glitter formal dress with a striking lace-up back and mermaid silhouette that accentuates your natural curves!

    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

    • Glitter fabric lined with stretchy knit
    • Sweetheart neckline, padded bra cups
    • Spaghetti straps
    • Lace-up back
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, upscale parties, elegant soirees

    Style Number/Barcode: 05002-9497

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Carena Corset Lace-Up Slit Formal Dress

    Special Occasion

    For endless elegant dressing, the Carene mermaid formal dress reigns in glamour! Designed with a gorgeous corset bodice with applique and flexible boning that snatches your waist and a high front slit for effortless movement.

    Fit & Features

    • Lined knit fabric
    • V-neckline, adjustable spaghetti straps, padded bra cups
    • Corset bodice, applique trim, flexible boning
    • Lace-up back, zipper and hook-eye closure
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black tie parties, galas, weddings, glam functions and events, big milestone celebrations

    Style Number/Barcode: 05002-9499

    Category Name: Mermaid Dresses

    Price: $29.97 $164.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Alandra Sweetheart Mermaid Sequin Formal Dress

    Special Occasion

    Bring the sparkle to any event in the Alandra sequin formal dress, designed with a waist-snatching corset bodice and a striking mermaid silhouette that hugs your curves.

    Fit & Features

    • Sequin embellished pattern
    • Mesh fabric lined with stretchy knit lining
    • Sweetheart neckline, padded bra cups, adjustable spaghetti straps
    • Back zipper and hook-eye closure
    • Corset bodice, flexible boning
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, red-carpet events, big birthday parties, glam functions

    Style Number/Barcode: 05002-9493

    Category Name: Mermaid Dresses

    Price: $19.97 $119.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Lani Lace-Up Slit Mermaid Sequin Formal Dress

    Special Occasion

    Elegantly constructed from a sequin embellished mesh fabric, the Lani formal dress exudes sparkle and pretty details that'll be the talk of the party! Show off some skin with the lace-up back design and high front slit while the mermaid silhouette flaunts your figure.

    Fit & Features

    • Sequin embellished mesh-lined fabric
    • Scoop neckline, padded bra cups
    • Spaghetti straps
    • Lace-up back, lower zipper and hook-eye closure
    • High front slit
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Formal dances, red-carpet events, glam functions, big birthday events, fancy award dinners

    Style Number/Barcode: 05002-9484

    Category Name: Mermaid Dresses

    Price: $19.97 $129.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Jaide Lace-Up Corset Slit Sequin Formal Dress

    Special Occasion

    Drenched in light-catching sequins in a gorgeous pattern, the Jaide mermaid formal dress showcases a daring lace-up back and corset bodice for a figure-flattering look.

    Fit & Features

    • Sequin embellished pattern, mesh-lined fabric
    • Sweetheart neckline, wide shoulder straps, padded bra cups
    • Lace-up back design, zipper and hook-eye closure
    • Corset bodice with flexible boning for structure
    • High front slit
    • Mermaid silhouette, floor-length bonded hem
    • Runs true to size

     

    Where to Wear:

    Prom, big birthday events, charity balls, red-carpet functions, fancy parties

    Style Number/Barcode: 05002-9490

    Category Name: Mermaid Dresses

    Price: $19.97 $149.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Alexandra Cold-Shoulder Mermaid Glitter Formal Dress

    Special Occasion

    The Alexandra glitter formal dress is the perfect blend of sparkly elegance! With a chic cold shoulder, an alluring front slit, and a flattering mermaid silhouette that puts your curves on display.

    Fit & Features

    • Glitter fabric lined with stretchy knit
    • Cold-shoulder neckline, short-sleeve cuffs, adjustable spaghetti straps
    • Padded bra cups
    • Back zipper and hook-eye closure
    • High front wrap slit, mermaid silhouette, floor-length hem
    • Runs true to size
    • Extra glitter for maximum sparkle - may have some natural fallout

     

    Where to Wear:

    Prom, big birthday events, weddings, black-tie parties, and nights at the theatre.

    Style Number/Barcode: 05002-9487

    Category Name: Mermaid Dresses

    Price: $19.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Meghan Lace-Up Corset Sequin Bead Formal Dress

    Special Occasion

    The Meghan mermaid formal dress is the most glamorous this season with delicate beaded and sequin embellishments that highlight your natural shine! The dress flaunts a lace-up back that turns heads and a sheer corset bodice for a sultry allure.

    Fit & Features

    • Sequin, beaded embellishments
    • Mesh fabric lined with stretchy knit
    • Scoop neckline, padded bra cups
    • Spaghetti straps
    • Lace-up back, lower zipper and hook-eye closure
    • Sheer corset bodice, flexible boning
    • High front slit, mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, glam functions, red-carpet events, big milestone events, parties

    Style Number/Barcode: 05002-9508

    Category Name: Mermaid Dresses

    Price: $19.97 $109.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Mindy Strappy Back Mermaid Formal Dress

    Special Occasion

    You'll be stealing the spotlight in the Mindy floor-length formal dress with a stunning strappy open back and a mermaid silhouette that accentuates your curves!

    Fit & Features

    • Smooth knit fabric lined with stretchy knit
    • V-neckline, padded bra cups
    • Spaghetti straps
    • Strappy open back with tie closure
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black-tie galas and weddings, fancy engagement parties

    Style Number/Barcode: 05002-9510

    Category Name: Mermaid Dresses

    Price: $29.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Cassandra Lace-Up Wrap Mermaid Satin Formal Dress

    Special Occasion

    A special evening begins in the Cassandra satin formal dress with a lace-up back and mermaid silhouette to make you fall in love! 

    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

    • Stretch satin fabric
    • Cowl sweetheart neckline
    • Spaghetti straps
    • Lace-up back
    • Mermaid wrap silhouette
    • High slit, floor-length hem
    • Runs true to size

     

    Where to Wear: 

    Prom, black-tie parties, weddings, and galas.

    Style Number/Barcode: 05002-9522

    Category Name: Mermaid Dresses

    Price: $14.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Corrina Cowl Neck Mermaid Glitter Formal Dress

    Special Occasion

    The Corrina glitter formal dress is a sparkling beauty that'll dazzle every party guest! Designed with a flattering cowl neckline and a mermaid silhouette that gives the illusion of the perfect hourglass figure.

    Fit & Features

    • Glitter fabric lined with stretchy knit
    • Cowl neckline, padded bra cups
    • Adjustable spaghetti straps
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black tie weddings and soirees, glamorous dinner parties, formals

    Style Number/Barcode: 05002-9516

    Category Name: Mermaid Dresses

    Price: $84.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS, S

    Product Badge:
    • Ships Free
  • Gabi Lace-Up Floral Trim Mermaid Formal Dress

    Special Occasion

    Enchant every party guest in the Gabi mermaid formal dress designed with a gorgeous floral soutache trim and a stunning lace-up back that turns heads. 

    Fit & Features

    • Floral soutache trim, mesh fabric, stretchy knit lining
    • Cowl neckline
    • Spaghetti straps
    • Lace-up back, zipper and hook-eye closure
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, event galas, dressed-up date nights, and fancy celebrations.

    Style Number/Barcode: 05002-9526

    Category Name: Mermaid Dresses

    Price: $109.90

    Availability: In Stock

    Available Color: LIGHT, BLUE

    Available Size: M

    Product Badge:
    • Ships Free
  • Jackie Floral Sequin Trim Satin Formal Dress

    Special Occasion

    Structured sleek with femme flair. The Jackie satin formal dress has a flirty sequin floral trim along the bust for a unique touch and a flattering mermaid silhouette that catches every eye.

    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

    • Stretch satin fabric, bust knit lining
    • Sweetheart cowl neckline with sequin floral trim
    • Padded bra cups
    • Adjustable spaghetti straps
    • Back zipper and hook-eye closure
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, bridesmaids, formal soirees, big birthday events, and fancy evenings out.

    Style Number/Barcode: 05002-9523

    Category Name: Mermaid Dresses

    Price: $14.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Becky V-Neck Tie-Back Slit Mermaid Dress

    Special Occasion

    Impress every guest in the sophisticated Becky mermaid formal dress! Designed to wow, this formal dress boasts a tie-back design and high front slit for effortless movement and allure.

    Fit & Features

    • Smooth knit fabric with knit bust lining, high stretch
    • Sleeveless V-neckline, padded bust
    • Tie-back spaghetti halter straps
    • Tie-back design, lower ruching
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black-tie galas, weddings, and fancy events.

    Style Number/Barcode: 05002-9551

    Category Name: Mermaid Dresses

    Price: $74.90

    Availability: In Stock

    Available Color: NAVY, HUNTER

    Available Size: XS, S, M, L

  • Kaye Strapless Mermaid Slit Glitter Formal Dress

    Special Occasion

    Sparkle from every angle in the Kaye glitter formal dress designed to shine this party and event season! The dress has a flattering mermaid silhouette with a sultry high front wrap slit perfect for pairing with heels.

    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

    • Glitter knit fabric lined with stretchy knit
    • Strapless neckline, padded bra cups
    • High front wrap slit
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, fancy dinner parties, formal functions, weddings

    Style Number/Barcode: 05002-000255

    Category Name: Mermaid Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS, S, M

    Product Badge:
    • Ships Free
  • Mona Off-Shoulder Slit Mermaid Formal Dress

    Special Occasion

    The Mona off-shoulder formal dress is elegance reimagined that commands attention with a flattering mermaid silhouette and high side slit for effortless allure!

    Fit & Features

    • Smooth knit fabric, stretchy knit lining, moderate stretch
    • Strapless neckline, off-the-shoulder strap
    • High side slit
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, wedding guests, bridesmaids, black-tie galas, fancy dinner parties, and engagement parties.

    Style Number/Barcode: 05002-9556

    Category Name: Mermaid Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Tania Floral Lace-Up Slit Formal Dress

    Special Occasion

    The Tania formal dress is gorgeously cut from a floral print mesh that flaunts your figure along the mermaid floor-length silhouette, made for dramatic entrances and exits thanks to the lace-up back!

    Fit & Features

    • Floral print, mesh-lined fabric, moderate stretch
    • Cowl sweetheart neckline, padded bra cups
    • Spaghetti straps
    • Lace-up back detail
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Weddings, garden parties, black tie galas, dinner parties, date night, vacation, birthdays, formal milestone celebrations, engagement parties, rehearsal dinners

    Style Number/Barcode: 05002-9545

    Category Name: Mermaid Dresses

    Price: $29.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Halie Open Back Mermaid Glitter Formal Dress

    Special Occasion

    Enter the enchanting allure of the Halie glitter formal dress where sparkle meets shine! This formal dress boasts a sultry open back that'll make jaws drop and a mermaid silhouette that accentuates your figure.

    Fit & Features

    • Glitter fabric lined with stretchy knit
    • Sweetheart neckline, padded bra cups
    • Wide shoulder straps
    • Open back with hook closure strap
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, glamorous events, lavish parties, and milestone celebrations.

    Style Number/Barcode: 05002-9537

    Category Name: Mermaid Dresses

    Price: $29.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free