Off The Shoulder Mermaid Prom Dresses

Off the shoulder mermaid prom dresses are your ticket to main character energy on the dance floor. When you want all eyes on you (and let’s be real, who doesn’t?), this silhouette brings the drama and the glam. Think curve-hugging fits, swoon-worthy vibes, and that perfect mix of bold and beautiful. Ready to make jaws drop? Your dream dress is just a click away—let’s turn prom night into your personal runway.

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$74.90

4.461538 star rating

An elegant red glitter knit mermaid dress with an off-the-shoulder neckline and high front slit.

Best Seller

$59.90

4.466667 star rating

A black glitter knit bodycon dress with an off-the-shoulder neckline and a high slit.

Best Seller

$59.90

5 star rating

A brown mesh formal gown featuring a one-shoulder neckline, side ruching, and a mermaid silhouette.

$89.90

4.888889 star rating

A black knit mermaid dress featuring an off-the-shoulder neckline and dramatic high front slit.

$69.90

4.428571 star rating

A green off-the-shoulder mermaid dress with a twisted sweetheart neckline and high front slit.

$79.90

3 star rating

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

$139.90

5 star rating

A pink chiffon and mesh mermaid dress featuring a sequin-beaded bow pattern and tie-back design.

$69.90

3 star rating

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

$99.90

4 star rating

A green velvet mermaid dress with sequin details and an adjustable lace-up back for formal events.

Sale

$49.97 $129.90 62% off

4 star rating

An elegant periwinkle lace ball gown with an off-the-shoulder neckline and high front slit.

$69.90

4.722222 star rating

A lavender mesh off-the-shoulder dress with ruched seams and a mermaid silhouette for formal events.

$62.90

4.5 star rating

A chic green mermaid dress featuring a cold-shoulder design, sweetheart neckline, and high front slit.

$69.90

3.8 star rating

A pink off-the-shoulder mermaid dress with glitter fabric, ruched bust, and high front slit.

Sale

$9.97 $59.90 83% off

3.4 star rating

A wine-colored velvet formal dress featuring an off-the-shoulder neckline and a high side slit.

$79.90

5 star rating

A black glitter mesh mermaid dress with off-the-shoulder neckline and sheer long sleeves.

Best Seller

$54.90

5 star rating

An elegant mauve mesh mermaid dress featuring a floral print and off-shoulder neckline for formal occasions.

$69.90

5 star rating

A shimmering green glitter knit mermaid dress with an off-the-shoulder neckline and sheer ruched sleeves.

$59.90

5 star rating

A stunning periwinkle mesh dress featuring an off-the-shoulder neckline and ruched mermaid silhouette.

Best Seller

$69.90

5 star rating

A purple floral mesh gown featuring an off-the-shoulder neckline, mermaid silhouette, and high front slit.

$79.90

4 star rating

A luxurious green satin mermaid dress featuring a pleated off-shoulder neckline and high front slit.

$64.90

An elegant black mermaid dress with an off-the-shoulder neckline and ruched bodice.

$64.90

An alluring mauve ombre mesh dress with an off-the-shoulder neckline and mermaid silhouette.

$69.90

A black knit mermaid dress with an off-the-shoulder neckline and lace-up back design.

$119.90

A navy blue glitter knit formal dress featuring an off-the-shoulder neckline and mermaid silhouette.

$79.90

A blue mesh floral dress featuring an off-the-shoulder ruffled neckline and elegant mermaid silhouette.

$69.90

A rust-colored off-shoulder mermaid dress with a twist-accent open back in smooth knit fabric.

$119.90

4.735294 star rating

A stunning lavender mermaid dress featuring sequin scrolls, lace-up back, and high slit.

$69.90

4.5625 star rating

A green mermaid formal dress with a cowl neckline, crisscross back, and dramatic high front slit.

Best Seller

$74.90

4.5 star rating

A stunning burgundy satin dress with a cold shoulder design and ruched mermaid silhouette.

$39.90

4.454546 star rating

A black mesh off-the-shoulder midi dress featuring ruched details, padded bust, and a flattering side slit.

Best Seller

$79.90

4.333334 star rating

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

$79.90

4.75 star rating

A black glitter mermaid dress featuring a cowl neckline, padded cups, and a dramatic wrap slit.

$59.90

4.5 star rating

A green satin off-the-shoulder midi dress featuring a ruched faux wrap design and sweetheart neckline.

$159.90

4.666667 star rating

An ethereal green tulle formal dress with a sequined corset, mermaid silhouette, and front slit.

$79.90

4.666667 star rating

A glamorous black glitter mermaid dress featuring an open back and high front slit.

$99.90

5 star rating

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

$79.90

4.5 star rating

A black glitter mermaid dress with a strappy open back and sheer mesh fabric for formal events.

$69.90

5 star rating

A navy blue satin midi dress featuring off-the-shoulder neckline, floral appliqué, faux pearls, and lace-up back.

$99.90

4 star rating

A rose gold mermaid dress featuring soutache-embellished mesh, strapless neckline, and lace-up cutout back.

$99.90

5 star rating

A blush floral mermaid dress with a lace-up back and adjustable spaghetti straps for formal occasions.

$69.90

5 star rating

A coral glitter formal dress with a lace-up back and curve-hugging mermaid silhouette.

$69.90

5 star rating

A mocha satin mermaid dress featuring a cold shoulder neckline, high front slit, and floor-length hem.

$59.90

2 star rating

A chic strapless brown mermaid dress with a trendy tie-back design and twist-accent neckline.

Sale

$29.97 $109.90 73% off

A pink mermaid sequin dress with a lace-up back, front slit, and adjustable spaghetti straps.

$79.90

A white mesh floral dress featuring a corset bodice, pleated details, and a mermaid silhouette.

$89.90

An ivory lace mermaid dress with ruffled straps and a captivating tie-back design.

$69.90

An ivory mesh mermaid dress featuring sequin embellishments, a lace-up back, and a floor-length hem.

$79.90

A black knit mermaid dress featuring a convertible neckline, high front slit, and multiple styling options.

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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

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

Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black
(35) 4.571429 star rating

The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure! Make your entrance in this floor-length gown designed to turn heads with a curve-flaunting mermaid fit and backless design. Fit & FeaturesGlitter knit fabric, moderate stretch, Square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Weddings, black tie galas, formal dances, big birthday events, rehearsal dinners, engagement parties, red carpet occasions, upscale glam parties Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black | Size: S | Knit Fabric

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

Windsor Priscilla Formal Satin Strapless Mermaid Dress in Sage
(25) 4.4 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 Sage | Size: L | Satin Fabric

Alicia Off-The-Shoulder Mermaid Formal Dress in Brown
(24) 4.8333335 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 Brown | Size: M | Knit Fabric

Delia Formal Cowl Neck Long Dress in Mauve
(21) 4.904762 star rating

Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening! Fit & FeaturesLined smooth knit fabric, moderate stretch, Sleeveless cowl neck, pleating, Spaghetti straps, lace-up back, Mermaid silhouette, High front slit, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, and dressy date nights. Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Mauve | Size: XL | Knit 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

Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black
(20) 4.6 star rating

Prepare to make a grand entrance in the Ashelyn glitter long formal dress looking like a true masterpiece for prom or special birthday events! Her luxurious knit fabric boasts a mesmerizing glitter pattern, while the side ruching and mermaid silhouette accentuate your curves while the high front slit shows off your shoes of the night. The cowl neckline and padded bra cups offer a flattering and comfortable fit. Style this formal gown with glam earrings and a hair accessory for a stunning look all evening! Fit & FeaturesGlitter pattern, knit fabric lined with jersey knit, Padded bra cups, Adjustable spaghetti straps, High front slit, Back zipper and hook-eye closure, Mermaid silhouette, floor-length, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black | Size: XS | Knit Fabric

Emmie Lace-Up Mermaid Satin Formal Dress in Sage
(20) 4.55 star rating

Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure. Fit & FeaturesStretchy satin-knit fabric, lined bust, Spaghetti straps, V-neckline, Lace-up back, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Sage | Size: XS | Satin Fabric

Off The Shoulder Mermaid Prom Dresses

When it comes to making a jaw-dropping entrance, nothing turns heads quite like an off the shoulder mermaid prom dress. Picture this: you glide into the room, shoulders bare and confidence sky-high, the curve-hugging silhouette of your mermaid dress off shoulder catching every shimmer of light. That’s the magic of this iconic style—equal parts sultry and sophisticated, it’s designed for the boldest babes who know how to own the night. The off the shoulder neckline frames your collarbones and draws attention to your face, all while the sculpted mermaid skirt hugs your curves before flaring out in a dramatic sweep. It’s a vibe that says, “Yes, I came to slay,” and trust, you absolutely will. Whether you’re the prom queen, the life of the party, or just living out your main character moment, the off the shoulder mermaid gown is your ticket to feeling like a total goddess.

Let’s talk about picking your dream dress, because the details matter, babe. It’s all about finding the fit that flatters your shape and brings out your inner superstar. If you’re all about that hourglass silhouette, the off the shoulder mermaid prom dress is practically made for you. The way it cinches at the waist and flares at the hem? Chef’s kiss. But don’t stress if you’re not curvy—this style is a master illusionist, creating curves and drama where you want them most. Look for luxe fabrics like satin or stretch crepe that move with you (so you can dance all night, obviously), and don’t sleep on details like thigh-high slits, ruching, or a bold train. The windsor :mona off-shoulder slit mermaid formal dress is a perfect example of how a little leg action can take your look to the next level. If you’re gifting for a sister, bestie, or even treating yourself (because self-love is a must), an off shoulder mermaid dress is the ultimate confidence booster, perfect for proms, galas, or any event where you want to channel your inner red carpet celeb.

Styling your off the shoulder mermaid gown is half the fun. Go for statement earrings that frame your face, a sleek updo to show off those shoulders, and heels that make you feel unstoppable. Don’t forget, this dress isn’t just for prom—rock it at formal dinners, charity balls, or anywhere you want to make memories that last forever. And if you’re feeling spicy and want to turn up the heat, check out our Off The Shoulder Red Prom Dresses for a look that’s pure fire. Whatever your vibe, remember: you’re not just wearing a dress, you’re making a statement. So go ahead, step into your power, and let the world see what a Windsor girl can do.

Top Picks For Off The Shoulder Mermaid Prom Dresses