Mermaid Wedding Guest Dresses

Dive into a sea of elegance with our mermaid wedding guest dresses, where every silhouette promises to make waves at any celebration. These stunning gowns hug your curves in all the right places, creating a dramatic flair that's perfect for turning heads and stealing glances. Whether you're strutting down the aisle or making an entrance at the reception, these dresses are your ticket to an unforgettable night. With styles that shimmer and fabrics that flow like ocean tides, you'll be the queen of the sea and the life of the party. Get ready to unleash your inner siren and make a splash in style!

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Best Seller

$109.90

4.737179 star rating

A chic purple sequin mermaid dress with a lace-up open back and thigh-high front slit.

Best Seller

$109.90 - $149.90

4.673913 star rating

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

$109.90

4.571429 star rating

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

$74.90

4.416667 star rating

A navy blue glitter knit mermaid dress with a square neckline and lace-up open back design.

$79.90

4.391305 star rating

An elegant black crepe mermaid dress with a strapless sweetheart neckline and ruffled back accent.

$69.90

4.409091 star rating

A taupe satin strapless mermaid dress with a sweetheart neckline and chic pleated detailing.

Best Seller

$84.90

4.333334 star rating

A pink glitter knit mermaid dress with a bow-back design and floor-length train for formal events.

$89.90

4.888889 star rating

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

Best Seller

$119.90

4.833334 star rating

A glamorous yellow mermaid dress featuring a sequin scroll pattern and an alluring lace-up back.

$79.90

4.823529 star rating

A lavender mesh mermaid gown with faux pearls, sweetheart neckline, and adjustable spaghetti straps.

$74.90

4.4 star rating

A dazzling white mermaid dress with glitter stretch-knit fabric, sweetheart neck, and corset-style bodice.

Sale

$19.97 $69.90 71% off

4.4 star rating

A daring brown satin mermaid dress featuring a backless design, high slit, and cowl-draped detail.

$79.90

4.928571 star rating

A burgundy velvet mermaid dress with a sweetheart neckline, corset bodice, and strappy lace-up back.

Best Seller

$69.90

4.615385 star rating

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

$69.90

4.416667 star rating

A strapless navy blue mermaid dress in shimmering satin glitter with a pleated bodice and high slit.

$69.90

4.333334 star rating

A stunning black mermaid silhouette dress with glitter fabric and adjustable spaghetti straps for formal events.

$79.90

5 star rating

A navy blue mermaid dress with faux pearl embellishments, cold shoulder neckline, and mesh fabric.

Sale

$19.97 $54.90 64% off

4.363637 star rating

A sleek black mermaid dress featuring a sheer lace one-shoulder neckline and cutout bust.

Sale

$77 $109.90 30% off

4.363637 star rating

A royal blue mermaid dress with sequin scrolls, adjustable straps, and a high front slit.

$69.90

4.7 star rating

A stunning black velvet mermaid dress featuring a lace-up back and floor-length hem.

Best Seller

$59.90

4.5 star rating

A lime yellow mesh mermaid dress with ruched seams and adjustable straps for formal occasions.

$69.90

4.4 star rating

A pink glitter knit mermaid dress with a lace-up back, V-neckline, and high front slit.

$99.90

4.888889 star rating

A navy blue mermaid formal dress featuring a sequin-embroidered lace back and adjustable straps.

Best Seller

$64.90

4.666667 star rating

A sage satin mermaid dress featuring a lace-up back and elegant floor-length hem.

$119.90

5 star rating

A black mermaid dress with rhinestone embellishments, featuring a sweetheart neckline and adjustable straps.

$69.90

4.25 star rating

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

$59.90

4.5 star rating

A lavender floral mesh mermaid dress with a lace-up back and high front slit.

$89.90

3.875 star rating

A light blue glitter knit mermaid dress with ruching and a stylish lower back cutout.

$84.90

4.857143 star rating

A chic green crepe mermaid dress with cutout details, sweetheart neckline, and thigh-high slit.

$59.90

5 star rating

A strapless magenta mermaid dress featuring floral mesh, a sweetheart neckline, and a draped cowl overlay.

$59.90

4.714286 star rating

A black crepe mermaid dress with a square halter neckline and elegant high front slit.

Sale

$29.97 $79.90 62% off

4.833334 star rating

A gold mermaid silhouette dress with glitter fabric, sweetheart neckline, and adjustable spaghetti straps.

$84.90

4.5 star rating

An ivory glitter knit mermaid dress with off-the-shoulder ruffled trim for formal occasions.

$69.90

4.4 star rating

A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.

$84.90

4.8 star rating

An enchanting black mermaid dress with glitter mesh, ruffled back, and adjustable spaghetti straps.

$69.90

5 star rating

A blue floral crepe mermaid dress with a sweetheart neckline and high front slit.

$69.90

4 star rating

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

$79.90

4.75 star rating

A green satin mermaid dress with a cowl neckline, adjustable straps, and a floor-sweeping hem.

$64.90

4.5 star rating

A green knit mermaid dress with a cowl neckline, spaghetti straps, and a high front slit.

$74.90

4.5 star rating

A luxurious gold satin mermaid dress with a tie-back design and asymmetrical slit for formal events.

$79.90

5 star rating

A navy blue mermaid dress with rhinestone mesh, adjustable straps, and a glamorous front slit.

$79.90

5 star rating

A glamorous gold satin mermaid dress with adjustable straps, padded cups, and a dramatic wrap slit.

$74.90

3.75 star rating

A glamorous green mermaid dress with glitter knit fabric, a halter neckline, and a high front slit.

$79.90

4 star rating

A chic black mermaid dress featuring a sheer mesh corset bodice and adjustable crisscross straps.

Sale

$19.97 $62.90 68% off

4.75 star rating

A green satin mermaid dress with a cowl neckline and crisscross back for formal occasions.

Sale

$63 $89.90 30% off

3.75 star rating

A green sequin mermaid dress with a boho pattern, adjustable straps, and a floor-length hem.

$59.90

4 star rating

A mauve mesh mermaid dress with a sweetheart neckline, lace-up back, and elegant ruching.

$49.90

5 star rating

A chic orange mermaid dress with a cowl neckline and adjustable spaghetti straps in stretchy knit fabric.

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Mermaid Wedding Guest Dresses
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Windsor Rowena Sequin Mermaid Dress in Navy Blue-2
(157) 4.732484 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 | Windsor Rowena Sequin Mermaid Dress in Navy Blue-2 | Size: L | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric Free Shipping on All Orders Over $75.

Rachel Formal Glitter Lace-Up Dress in Red
(119) 4.462185 star rating

Make your mark in shimmery beauty! The Rachel formal glitter long dress is sure to dazzle at the school dance, banquet dinner, or celebration. She features a sleeveless V-neck, dual spaghetti straps, an open lace-up back with tie closure, and a form-hugging mermaid silhouette that gently sweeps into a floor-length hem. The formal dress is composed of a stretch-knit glitter fabric with partial lining. Complete your dressy look in an elegant necklace and earrings set. Fit & FeaturesSleeveless V-neck, dual spaghetti straps, Sticky bra recommended, Open lace-up back, tie closure, Form-hugging, mermaid silhouette, floor-length hem, Stretch glitter-knit fabric, partial lining, sheer airy fabric, Extra glitter for maximum sparkle - may have some natural fallout, Runs true to size, | Windsor Rachel Formal Glitter Lace-Up Dress in Red | Size: M Free Shipping on All Orders Over $75.

Linda Formal Glitter Ruffled Dress in Lavender-2
Sale
(59) 4.40678 star rating

Bring the sparkle with a formal dress that brings the glitz! The dress features a sleeveless V-neckline with adjustable spaghetti straps, an alluring open back with criss-cross straps, and a bow accent that sits atop cascading ruffles on a mermaid silhouette. The dress is composed of lined glitter knit fabric that offers a form-hugging fit with minimal stretch. Complete the look with glitter mesh heels. Fit & FeaturesSleeveless V-neckline, sticky bra recommended, Adjustable spaghetti straps, criss-cross back, Cascading ruffles with bow, Mermaid silhouette, Lined glitter knit fabric , Form-hugging fit, minimal stretch , Runs true to size, | Windsor Linda Formal Glitter Ruffled Dress in Lavender-2 | Size: S | Knit Fabric/Mesh Fabric Free Shipping on All Orders Over $75.

Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue
(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. | Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue | Size: L | Knit Fabric Free Shipping on All Orders Over $75.

Meryl Formal Glitter Long Dress in Denim
(42) 4.3333335 star rating

Stand out from the crowd in the shimmering Meryl glitter long dress sure to sparkle all night. She's prom-perfect and ready to stun in her alluring off-the-shoulder neckline atop a fitted bodice. Her high waist seam leads to a side ruched detail with a sultry side slit for showcasing some leg on a mermaid silhouette. The formal dress is composed of a glitter-knit lined fabric with a moderate stretch. Complete the look in an elegant hairpiece to tame your tresses in style. Fit & FeaturesSleeveless, off-the-shoulder neckline, Fitted bodice, high-waist seam, Side ruched detail, slit accent, Mermaid long silhouette, Glitter-knit lined fabric, moderate stretch, Strapless bra or sticky bra recommended, Runs true to size, | Windsor Meryl Formal Glitter Long Dress in Denim | Size: XL Free Shipping on All Orders Over $75.

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, | Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue | Size: S | Knit Fabric/Rhinestone Free Shipping on All Orders Over $75.

Shayla Strapless Corset Lace Mermaid Formal Dress in Red
(34) 4.882353 star rating

Designed to be eyed up and down, the Shayla long formal dress brings the sultry heat to any black tie occasion! A curved neckline and sheer mesh lace corset bodice create a sophisticated silhouette, while the lace-up back provides a personalized fit. Fit & FeaturesSheer mesh, smooth knit fabric, Lace corset bodice, flexible boning, padded bra cups, Lace-up, back zipper and hook-eye closure, Mermaid silhouette, high front wrap slit, Runs true to size, Where to Wear:Prom, black-tie galas, red-carpet occasions, and big birthday events. | Windsor Shayla Strapless Corset Lace Mermaid Formal Dress in Red | Size: S | Knit Fabric/Sheer Mesh Fabric Free Shipping on All Orders Over $75.

Windsor Jamie Formal Cowl Neck Mermaid Dress in Denim
(31) 4.709677 star rating

A dramatic train lends swoon-worthy sultriness to the Jamie formal dress - a stunning option for bridesmaids, banquets, and formal dances! She features a sleeveless cowl neckline, adjustable spaghetti straps, a form-hugging fit with a mermaid silhouette, and backside ruching that leads to her floor-length hem with a train. The formal dress is composed of a sleek knit fabric with a subtle sheen effect. Complete the look in this long dress with earrings and a bracelet. Fit & FeaturesSleeveless cowl neckline, built-in padded bust, Adjustable spaghetti straps, back zipper, hook and eye closure, Form-hugging fit, mermaid silhouette, Backside ruching, floor-length hem with train, Sleek knit fabric, lined bust, subtle sheen effect, plenty of stretch, Bra optional, Runs true to size, | Windsor Jamie Formal Cowl Neck Mermaid Dress in Denim | Size: M | Knit Fabric Free Shipping on All Orders Over $75.

Windsor Lucille Formal Satin Mermaid Dress in Royal Blue
(28) 4.821429 star rating

Have a wedding to attend or a dressy dinner ceremony? The Lucille formal dress is here to make your dreams of looking radiant come true! She features a classic and sultry sleeveless square neckline, padded bust, adjustable spaghetti straps for a customizable fit, an open lace-up back design, and a fitted bodice with a ruched seam to accentuate your curves along her mermaid silhouette showcasing a high-cut front slit along the floor-length hem. The formal dress is composed of a smooth satin-lined knit fabric with a subtle sheen and minimal stretch. Complete the look with an elegant hair accessory for a glamorous style! Fit & FeaturesSleeveless 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, Lined satin knit fabric, minimal stretch, Sticky bra recommended, Runs true to size, | Windsor Lucille Formal Satin Mermaid Dress in Royal Blue | Size: M | Knit Fabric/Satin Fabric Free Shipping on All Orders Over $75.

Windsor Priscilla Formal Satin Strapless Mermaid Dress in Taupe
(22) 4.409091 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, fancy milestone celebrations | Windsor Priscilla Formal Satin Strapless Mermaid Dress in Taupe | Size: S | Satin Fabric Free Shipping on All Orders Over $75.