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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$59.90

4.466667 star rating

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

$119.90

4.735294 star rating

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

$79.90

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

$59.90

4.333334 star rating

A sage mesh formal dress with a ruched mermaid silhouette and off-the-shoulder neckline.

$59.90

5 star rating

An elegant black mermaid gown featuring a sheer lace bodice, off-shoulder neckline, and luxe ruching.

$69.90

4.5 star rating

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

$99.90

5 star rating

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

Sale

$19.97 $69.90 71% off

4.782609 star rating

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

$79.90

5 star rating

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

Sale

$19.97 $129.90 85% off

4.666667 star rating

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

$89.90

4.84 star rating

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

$74.90

4.428571 star rating

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

$79.90

5 star rating

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

$54.90

5 star rating

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

$89.90

4.5 star rating

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

$69.90

A rust-colored, floor-length mermaid dress in slinky knit with a one-shoulder neckline and open back.

Sale

$19.97 $69.90 71% off

A stunning black mermaid dress featuring glitter knit fabric, lace-up back, and high front slit.

$84.90

A black velvet mermaid dress with rhinestone trim, high slit, and adjustable straps.

$69.90

4.111111 star rating

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

Sale

$19.97 $79.90 75% off

4.5 star rating

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

Sale

$19.97 $119.90 83% off

5 star rating

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

Sale

$19.97 $69.90 71% off

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

$69.90

4.588235 star rating

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

$74.90

4.375 star rating

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

$62.90

4.444445 star rating

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

$79.90

4.875 star rating

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

$59.90

4 star rating

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

$99.90

4.5 star rating

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

$69.90

3.666667 star rating

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

$59.90

4 star rating

A sleek black knit mermaid gown featuring a one-shoulder neckline, side cutout, and attached sash.

Sale

$19.97 $69.90 71% off

5 star rating

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

$99.90

4.666667 star rating

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

$69.90

5 star rating

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

Sale

$19.97 $79.90 75% off

4.5 star rating

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

Sale

$19.97 $99.90 80% off

5 star rating

A stunning black sequin formal dress with a mermaid silhouette and low-cut back.

$69.90

5 star rating

A chic green mermaid dress with an alluring open back and ruched seams for formal occasions.

$89.90

4 star rating

A glamorous green mermaid dress featuring glitter fabric, cold-shoulder design, and a high front slit.

Sale

$15.97 $59.90 73% off

A black off-the-shoulder crepe dress with a sweetheart neckline and ruffled front slit.

$69.90

A mauve satin mermaid dress with chiffon flutter sleeves and a high front slit.

$59.90

A stunning black mesh formal dress featuring a one-shoulder neckline and elegant mermaid silhouette.

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Windsor Mayra Formal Satin Slit Long Dress in Sage
(176) 4.619318 star rating

Slip into the luxe vibes of Mayra! Designed to highlight your figure, this formal satin dress delivers a chic form-hugging fit and a high slit for effortless movement. Fit & FeaturesSmooth satin-knit fabric, moderate stretch, Sleeveless square neckline, spaghetti straps, Fitted bodice, side hip pleating, Form-fitting silhouette, high-cut front slit, Floor-length hem, Style runs small, Where to Wear:Homecoming, weddings, black-tie parties, galas, military balls, engagement parties, rehearsal dinners, bridal celebrations, birthday events, milestone celebrations Free Shipping on All Orders Over $75. | Windsor Mayra Formal Satin Slit Long Dress in Sage | Size: S | Satin Fabric

Windsor Sasha Formal High Slit Wrap Dress in Black
(171) 4.5847955 star rating

Create a captivating entrance in this formal wrap dress for your next soiree. All eyes are on you in this stylishly chic long formal dress with a plunging V-neckline to perfectly display a sparkling rhinestone lariat or delicate layers of dainty necklaces. Fit & FeaturesCrepe fabric, moderate stretch, Asymmetrical wrap V-neckline, Adjustable spaghetti straps, Ruched detailing, slim-fit bodice, High front slit, floor-length wrap silhouette, Runs true to size, Where to Wear:Prom, black-tie weddings, and formal parties. Free Shipping on All Orders Over $75. | Windsor Sasha Formal High Slit Wrap Dress in Black | Size: XS | Rhinestone

Marissa Formal Satin Cowl Neck Dress in Green
(169) 4.5680475 star rating

The Marissa long satin dress brings elegance and sultriness to your formal night. The floor-length gown enhances your curves with a fitted bodice and flattering A-line silhouette while the high front slit provides movement. Fit & FeaturesStretch-satin fabric, non-see-through, double-lined bust, Sleeveless pleated cowl neckline, spaghetti straps, Slim-fit bodice, empire waistline, High front slit, floor-length hem, A-line silhouette, Runs true to size, Where to Wear:Prom, weddings, black-tie soirees, special date nights, and engagement parties. Free Shipping on All Orders Over $75. | Windsor Marissa Formal Satin Cowl Neck Dress in Green | Size: S | Satin Fabric

Windsor Rowena Sequin Mermaid Dress in Navy Blue
(168) 4.7261906 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 Cheyenne Formal One-Shoulder Velvet Dress in Black-2
(124) 4.782258 star rating

Lavish yourself with a luxe formal dress that elevates your special occasion outfit! Cheyenne features a one-shoulder neckline, a wired V-neck bust, a fitted long sleeve, a high side slit on the floor-length hem, and a curve-hugging A-line silhouette. The long dress is composed of a lined velvet fabric that offers a moderate stretch. Complete the look with rhinestone heels and a sphere clutch. Fit & FeaturesOne-shoulder neckline, wired V-neck bust, Fitted long sleeve, High side slit, floor-length hem, A-line silhouette, Lined velvet fabric, Form-hugging fit, moderate stretch, Strapless or sticky bra recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Cheyenne Formal One-Shoulder Velvet Dress in Black-2 | Size: S | Rhinestone/Velvet Fabric

Addison Glitter Mesh Formal Dress in Black
(113) 4.628319 star rating

Make a sparkly statement at your next soiree in the trendy glam Addison glitter formal dress! Bring radiance to the room in this floor-length dress with a sleek design that fits like a glove. Fit & FeaturesSheer glitter mesh fabric, full knit stretchy lining, Sleeveless cowl neckline, spaghetti straps, High waist seam, Floor-length fitted silhouette, Runs true to size, Where to Wear:Prom, black tie weddings, galas, special date nights, rehearsal dinner Free Shipping on All Orders Over $75. | Windsor Addison Glitter Mesh Formal Dress in Black | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric

Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow
(89) 4.573034 star rating

Embellished with light-catching sequins, the Bethanie formal dress is a clear stunner with a lace-up back and a flattering mermaid silhouette with a floor-length hem. Fit & FeaturesSequin-scroll pattern, mesh fabric, stretch knit lining, Sleeveless V-neckline, padded bust, Lace-up back, zipper and hook-eye closure, Mermaid silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, formal weddings, and upscale parties. Free Shipping on All Orders Over $75. | Windsor Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric

Windsor Alisha Rhinestone Strap Formal Dress in Black
(84) 4.6309524 star rating

Sultry and stunning, the Alisha formal dress will keep all eyes on you. With thin rhinestone detailed straps that give effortless sparkle and a curve-hugging silhouette, and an alluring high slit. Fit & FeaturesLightweight, breathable stretchy fabric, Sleeveless cowl neckline, Rhinestone detailed straps, High waist seam, Floor-length hem, form-fitting silhouette, high slit, Runs true to size, Where to Wear:Prom, glamorous evenings, dinner parties, weddings Free Shipping on All Orders Over $75. | Windsor Alisha Rhinestone Strap Formal Dress in Black | Size: L | Stretchy Fabric/Rhinestone

Windsor Jamie Lace-Up Satin Formal Column Dress in Red
(70) 4.785714 star rating

Dare to stun in the Jamie satin formal dress crafted with silky satin fabric for a gorgeous sheen. The bold plunge halter neckline and open lace-up back will turn heads while the fitted column silhouette flaunts your curves. Fit & FeaturesSilky satin fabric, short knit stretchy lining, Plunge halter V-neckline, shoulder straps, padded bra cups, Lace-up open back, lower zipper with hook-eye closure, High side slit, Fitted column silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, weddings, galas, and black-tie soirees. Free Shipping on All Orders Over $75. | Windsor Jamie Lace-Up Satin Formal Column Dress in Red | Size: XS | Knit Fabric/Satin Fabric

Rose Formal Mesh Corset Column Dress in Green
(67) 4.447761 star rating

The Rose formal long column dress is the perfect combination of elegance and glamour with a sheer corset trim and high-side slit for effortless allure! Fit & FeaturesMesh fabric, partial stretchy knit lining, Sleeveless sweetheart neckline, cowl pleating, Adjustable spaghetti straps, crisscross open back, Padded bust, sheer corset bodice, flexible boning, Side ruched seams, fitted column silhouette, High-side slit, floor-length hem, Style runs small, Where to Wear:Prom, weddings, bridesmaids, rehearsal dinners, cocktail soirees, and dressed-up date nights. Free Shipping on All Orders Over $75. | Windsor Rose Formal Mesh Corset Column Dress in Green | Size: M | Knit Fabric/Mesh 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