Mermaid Prom Dresses With Train

Make an entrance that no one will ever forget with mermaid prom dresses with train—because basic just isn’t in your vocabulary. These curve-loving, drama-bringing looks are made for the girl who knows she’s the main character and isn’t afraid to own every inch of the spotlight. Whether you’re gliding across the dance floor or ruling the photo ops, these stunners promise a jaw-dropping silhouette and a little extra magic trailing behind you. Your prom night glow-up starts here—let’s make waves, bestie!

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$109.90 - $149.90

4.709091 star rating

A pink mermaid silhouette dress with sequin-scroll pattern, V-neckline, and lace-up back.

$109.90

4.581395 star rating

A dazzling yellow sequin-embroidered mesh dress with a mermaid silhouette and adjustable spaghetti straps.

$119.90

4.735294 star rating

A lavender sequin mermaid dress with a lace-up back, perfect for prom and formal events.

Best Seller

$84.90

4.5 star rating

A glamorous light blue glitter knit mermaid dress featuring a chic bow-back and floor-length train.

$69.90

4.347826 star rating

A stunning denim satin mermaid dress with a strapless sweetheart neckline and floor-sweeping hem.

$124.90

4.45 star rating

A glamorous rose gold mermaid dress with glitter lurex fabric and adjustable spaghetti straps.

$79.90

4.578948 star rating

A red glitter mermaid formal dress with a cowl neck, high slit, and adjustable straps.

$59.90

4.352941 star rating

A pink mesh mermaid dress featuring side ruching, adjustable tie straps, and a floor-length hem.

$89.90

4.090909 star rating

A glamorous burgundy mermaid dress with glitter knit fabric, ruching, and a stylish back cutout.

$89.90

5 star rating

A glamorous light blue mermaid dress with rhinestone and pearl embellishments on lined mesh fabric.

Best Seller

$149.90

4.666667 star rating

A lavender mermaid dress with sequin floral embroidery and a lace-up back for a fairytale look.

$69.90

4.25 star rating

A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.

$89.90

4.5 star rating

A dazzling chambray mermaid dress with a lace-up back, high slit, and glitter knit fabric.

$109.90

4.5 star rating

A gold mermaid dress featuring floral soutache trim, mesh fabric, and a dramatic lace-up back.

$79.90

4.428571 star rating

A sophisticated green off-the-shoulder mermaid dress featuring a sultry wrap slit and padded cups.

$69.90

4.428571 star rating

A wine-colored glitter mermaid dress with a lace-up back and high front wrap slit.

$69.90

4.571429 star rating

A navy blue glitter crepe mermaid dress with a cutout bodice and high front wrap slit.

Best Seller

$79.90

4.142857 star rating

A sultry navy blue mermaid dress featuring a lace open back and side ruched seams.

$99.90

4.833334 star rating

A sage mermaid formal dress featuring a halter V-neckline and elegant tie-back design.

$89.90

4.666667 star rating

A lavender mermaid gown with a lace-up back and glitter lurex fabric for formal occasions.

$199.90

4.333334 star rating

A glamorous pink mermaid dress with sequin scrolls, tulle ruffles, and adjustable lace-up back.

$119.90

4.333334 star rating

A stunning pink mermaid dress with sequin beaded embroidery and a satin strapless pleated neckline.

$139.90

5 star rating

A pink mermaid silhouette dress with sequin-beaded bow pattern and chiffon tie-back design.

Sale

$56 $79.90 30% off

4.8 star rating

A black glitter mermaid dress with a lace-up back, square neckline, and padded bra cups.

Sale

$69.97 $149.90 53% off

4 star rating

A lavender mermaid dress adorned with beaded pearls, featuring a lace-up back and floor-length hem.

Sale

$39.97 $119.90 67% off

5 star rating

An iridescent sequin mermaid dress in pink with a lace-up open back and floor-length hem.

$74.90

3.75 star rating

A black glitter knit mermaid dress with a cowl halter neckline and high front wrap slit.

Sale

$69.97 $149.90 53% off

5 star rating

An ivory mermaid gown with a strapless lace-up back and 3-D floral applique.

$149.90

4.25 star rating

A white mermaid dress with beaded embellishments, open-back design, and adjustable spaghetti straps.

Sale

$29.97 $99.90 70% off

4.75 star rating

A stunning yellow strapless mermaid dress with sequin embellishments, cutout back, and high front slit.

$79.90

5 star rating

A stunning black satin mermaid dress with a high slit and elegant train for formal occasions.

$64.90

4.666667 star rating

A wine velvet mermaid dress with a chic ruched halter neckline and partially open back.

$79.90

4.666667 star rating

An orange mermaid dress with glitter knit fabric, cowl neckline, and lace-up back.

$89.90

4.666667 star rating

A sophisticated navy blue satin dress with a strapless neckline and pleated mermaid silhouette.

$99.90

4.666667 star rating

A lavender glitter knit mermaid gown with a cowl neckline, perfect for prom or formal events.

$76.90

4.666667 star rating

A navy blue mermaid dress with a chiffon tie-back and floral velvet pattern for formal occasions.

$79.90

4.666667 star rating

A glamorous black mermaid dress with glitter knit fabric, open back, and high front slit.

$109.90

4.333334 star rating

A mint floral sequin mermaid dress with a high slit and adjustable spaghetti straps.

$79.90

5 star rating

A black velvet mermaid dress with a sweetheart neckline and glitter detailing for formal occasions.

$99.90

4.5 star rating

A yellow mermaid sequin dress with a cutout back, high slit, and adjustable spaghetti straps.

$79.90

4 star rating

A black glitter mermaid dress with a lace-up back and sweetheart halter neckline.

Sale

$39.97 $79.90 50% off

3.5 star rating

A black velvet mermaid dress with an open back, faux pearls, and a dramatic sash accent.

$69.90

3 star rating

A strapless gold mermaid dress with a lace-up back and sleek knit fabric.

$79.90

5 star rating

A romantic pink mesh mermaid dress adorned with colored rhinestones and faux pearls for formal occasions.

$99.90

4.5 star rating

A coral sequin formal dress with a strappy back and floor-length mermaid silhouette.

$149.90

4 star rating

A light blue formal dress with faux pearl beading, chiffon halter neckline, and mermaid silhouette.

$79.90

4.5 star rating

A pink glitter knit mermaid dress with a lace-up back and adjustable spaghetti straps.

$99.90

5 star rating

A dazzling denim sequin formal dress featuring a cutout open back and mermaid silhouette.

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Windsor Rowena Sequin Mermaid Dress in Navy Blue
(166) 4.7228913 star rating

Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. With a lace-up strap design and fitted mermaid silhouette with a high slit, you'll deliver stunning style. Fit & FeaturesSheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design, Sleeveless square neckline, padded bust, Spaghetti straps, open back, lace-up strap design, tie closure, Lower back zipper with hook and eye closure, High waist seam, Fitted floor-length mermaid silhouette, high front slit, Runs true to size, Where to Wear:Prom, black-tie parties and galas, fancy engagement parties Free Shipping on All Orders Over $75. | Windsor Rowena Sequin Mermaid Dress in Navy Blue | Size: M | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric

Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue
Sale
(59) 4.4576273 star rating

Flaunt your glam style in the fabulous Lola high slit glitter dress! She features a trendy cowl neckline with a slim-fit bodice, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. She is composed of glitzy glitter knit fabric that offers a curve-hugging fit with a moderate stretch. Pair this gorgeous long dress with a sleek ring set to add some glamour to your look for your special occasion. Fit & FeaturesCowl neckline, spaghetti straps, Slim-fit bodice, form-hugging fit, Floor-length silhouette, Thigh-high side slit, Glitter knit fabric, mini-length inner knit lining, moderate stretch, Sticky bra recommended, Runs true to size, The saturation of glitter varies. Glitter may transfer. Free Shipping on All Orders Over $75. | Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue | Size: L | Knit Fabric

Sophie Glitter Knit Mermaid Dress in Navy Blue
(36) 4.4166665 star rating

Effortlessly elegant, the Sophie glitter knit mermaid dress would be a stunning choice for a formal gala. She features a square neckline, short puff sleeves, a partially open back with a lace-up strappy design for a customized fit, a high waist seam, a floor-length hem, and a mermaid silhouette with a high front slit to showcase your heels. The glitter knit fabric offers a moderate stretch. Complete the look in this long dress with rhinestone statement earrings. Fit & FeaturesSquare neckline, Short puff sleeves, Open back, lace-up strappy design, tie closure, High waist seam, Floor-length hem, mermaid silhouette, front slit, Glitter knit fabric, moderate stretch, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue | Size: S | Knit Fabric/Rhinestone

Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue
(31) 4.516129 star rating

The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure. She features a sleeveless square neckline, a bold backless design, a high waist seam, a chic bow accent at the lower back with a flowy floor-length train, a floor-sweeping hem with a mermaid silhouette, and a form-hugging fit. Style this long dress with a rhinestone clutch for a black-tie wedding. Fit & FeaturesSleeveless square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Form-hugging fit, Glitter knit fabric, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue | Size: L | Knit Fabric/Rhinestone

Lucille Formal Satin Mermaid Dress in Coral
(29) 4.827586 star rating

The Lucille formal satin dress will have you looking and feeling radiant and luxe! The dress captivates with a lace-up back, mermaid silhouette, and high front slit for effortless allure. Fit & FeaturesLined satin knit fabric, minimal stretch, Sleeveless square neckline, padded bust, adjustable spaghetti straps, Open lace-up back design, zipper and hook-eye closure, Fitted bodice, front ruched seam, high-cut slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black tie galas, red-carpet events, nights at the opera or theatre, big milestone celebrations Free Shipping on All Orders Over $75. | Windsor Lucille Formal Satin Mermaid Dress in Coral | Size: L | Knit Fabric/Satin Fabric

Alicia Off-The-Shoulder Mermaid Formal Dress in Green
(23) 4.826087 star rating

Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem. Fit & FeaturesSmooth knit fabric lined with stretchy knit, Padded bra cups, Back zipper and hook-eye closure, High front slit, Mermaid silhouette, Runs true to size, Where to Wear:Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets Free Shipping on All Orders Over $75. | Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Green | Size: S | Knit Fabric

Priscilla Formal Satin Strapless Mermaid Dress in Taupe
(23) 4.347826 star rating

Make it an elegant entrance in the Priscilla formal satin dress with a curve-hugging mermaid silhouette and floor-sweeping hem for dramatic flair. Fit & FeaturesLined silky satin fabric, minimal stretch, Strapless sweetheart neckline, Pleated, lightly padded bust, non-slip grip lining, Slim-fit bodice, high waist seam, hip-hugging fit, Floor-sweeping hem, mermaid silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black-tie galas and events, and fancy milestone celebrations. Free Shipping on All Orders Over $75. | Windsor Priscilla Formal Satin Strapless Mermaid Dress in Taupe | Size: M | Satin Fabric

Kathie Formal Satin One-Shoulder Dress in Gold-2
(22) 4.7727275 star rating

Sleek and sultry, the Kathie formal satin dress is destined to shine at banquets, galas, and black-tie weddings! She features a sophisticated one-shoulder neckline, a wide shoulder strap, a pleated side seam, a mermaid silhouette, and an asymmetrical high front slit along her graceful long hem. The formal dress is composed of luxurious satin-lined fabric with a sheen effect and minimal stretch. Complete the look with hoop earrings. Fit & FeaturesOne-shoulder neckline, wide shoulder strap, Back zipper and hook-eye closure, Pleated side seam, asymmetrical high front slit, Mermaid silhouette, long hem, Lined silky satin fabric, sheen effect, minimal stretch, Strapless bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kathie Formal Satin One-Shoulder Dress in Gold-2 | Size: M | Satin Fabric

Windsor Shay Formal Lurex Glitter Dress in Rose Gold
(20) 4.45 star rating

Stun in the Shay formal glitter dress that makes your entrance that much more glam! Shay features a mermaid silhouette that flaunts your beautiful curves and a floor-length hem for a hint of drama. Fit & FeaturesLine glitter lurex fabric, V-neckline, padded bra cups, Adjustable spaghetti straps, Ruching, mermaid silhouette, Wide banded hem, train , Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout , Where to Wear: Prom, black tie galas and events, red-carpet events, upscale birthdays Free Shipping on All Orders Over $75. | Windsor Shay Formal Lurex Glitter Dress in Rose Gold | Size: XS

Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Periwinkle
(20) 4.75 star rating

Radiate sexy elegance in the Deyna formal long dress perfect for your upcoming black tie soirees! The dress accentuates your curves with side ruched seams and mermaid silhouette create a stunning and flattering shape, while the floor-length hem adds sophistication. Fit & FeaturesAiry mesh fabric, full knit stretchy lining, Off-the-shoulder neckline, ruffled cuffs, cascading ruffles, Back zipper and hook-eye closure, Flexible boning inserts in the bodice, Side ruched seams, mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, fancy garden parties, and dressed-up events. Free Shipping on All Orders Over $75. | Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Periwinkle | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric

Mermaid Prom Dresses With Train

When it comes to making an entrance that leaves the whole room spellbound, nothing does it quite like a mermaid prom dress with a train. These showstoppers are made for the Windsor girl who knows she’s the main character and wants her prom night to be every bit as iconic as her wildest dreams. Imagine gliding into the venue, your gown hugging every curve before it flares out into a dramatic sweep—like you’re part goddess, part Hollywood legend, and 100% unforgettable. The train adds an extra touch of drama, catching the light (and everyone’s attention) with every step. Whether you’re sashaying across the dance floor or posing for those fire pics with your crew, a mermaid dress with long train is your ticket to feeling like royalty. If you’re the friend who’s always down for a little extra, who believes more is more when it comes to glam, and who wants every memory to be Insta-worthy, this silhouette is basically your soulmate.

Choosing a mermaid prom dress with a train isn’t just about the wow factor, though—there’s a whole vibe that comes with it. These dresses are perfect for the girl who wants to channel confidence and sophistication, but still keep things playful and bold. They’re the ultimate pick for prom, but don’t be surprised if you find yourself wanting to wear one for any occasion where you need to be the center of attention: think pageants, milestone birthdays, or even as a jaw-dropping look for a formal gala. And if you’re shopping for a bestie, sister, or daughter who’s got a flair for the dramatic and a taste for the spotlight, gifting her a mermaid dress with a long train is basically handing her the keys to her own fairy tale. The fit is all about highlighting your shape while letting you move like you own the place, so you can dance, strut, and twirl without a care in the world.

When you’re picking out your dream dress, keep a few pro tips in mind. Make sure to choose a length and train style that fits your vibe—whether you want a subtle sweep that whispers elegance or a full-on, floor-sweeping masterpiece that screams red carpet. Don’t forget to plan your shoes and accessories to match, since the right heels and a little sparkle can take your look from “wow” to “legendary.” And if you’re hunting for even more inspo or want to see all the ways you can slay this trend, check out the full lineup of Mermaid Formal Dresses for more styles that are ready to make you the talk of prom night. With the perfect mermaid prom dress with train, you’re not just attending the event—you’re owning it, turning every head, and making memories that’ll live rent-free in your group chat forever.

Top Picks For Mermaid Prom Dresses With Train