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Mermaid Evening Dresses

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1030 Item

Faviana E11236 Royal Blue prom dress in stretch satin with sweetheart neckline, boned bodice, mermaid trumpet silhouette, front view, formal evening gownFaviana E11236 Royal Blue plus size gown back view showing open back with zipper closure, sweep train, stretch satin, wedding reception dress styled for prom
Faviana 9570 Dark Emerald front view plus size sequin floral appliqué mermaid gown with trainFaviana 9570 Dark Emerald back view plus size sequin floral appliqué mermaid gown with train
Faviana 11250 Light Pink Multi front view strapless sweetheart mermaid prom gown with 3D floral appliqués over tulle and boned corset bodice formal prom gownFaviana 11250 Light Pink Multi back view open crisscross lace-up back on strapless floral appliqué mermaid prom gown with slight train evening gown
Clarisse 811112 Mint Green prom dress front view in sequin mesh with sweetheart neckline spaghetti straps mermaid silhouette formal prom gownClarisse 811112 Mint Green prom dress back view showing crisscross lacing on sequin mesh fitted mermaid gown evening gown
Clarisse 811118 BlackClarisse 811118 Black
Clarisse 811118 Sale price$ 8,255
Clarisse 811128 Pastel Ombre front view fully sequined high halter mermaid prom gown with crisscross open back and sweep train formal prom gownClarisse 811128 Pastel Ombre back view showing fully open crisscross lace-up back on sequin mermaid prom gown with sweep train red carpet styling
Clarisse 811134 Smoke Blue prom dress front view with lace appliqué jersey body, boned illusion corset sweetheart neckline, rhinestone skirt, mermaid silhouette, formal prom gownClarisse 811134 Smoke Blue prom dress back view with fully open back, crisscross spaghetti straps, lace hip appliqué, mermaid sweep train, evening gown
Clarisse 811139 Steel Blue prom gown in stretch glitter jersey with deep v-neck, open back, fitted mermaid silhouette, and sweep train, front view, formal prom gownClarisse 811139 Steel Blue prom gown showing fully open back from straps to low back in glitter jersey mermaid silhouette with sweep train, back view, evening gown
Clarisse 811146 Black strapless mermaid prom gown with boned lace-and-glitter corset bodice, beading and embroidery, sweeping train, front view, formal prom gownClarisse 811146 Black open crisscross-back mermaid prom gown with boned glitter lace corset bodice, dramatic exposed back lacing, back view, evening gown
Clarisse 811148 SageClarisse 811148 Sage
Clarisse 811148 Sale price$ 6,188
Clarisse 811158 Antique Gold prom dress front view with metallic stretch jersey, twisted knot ruching at waist, halter v-neck mermaid trumpet silhouette, formal prom gownClarisse 811158 Antique Gold prom dress back view with fully open back, halter tie neckline, metallic jersey mermaid trumpet sweep train, evening gown
Clarisse 811178 Powder Blue prom gown front view with glitter lace, illusion corset bodice, floral appliques, mermaid trumpet silhouette, formal evening gownClarisse 811178 Powder Blue prom gown back view showing fully open back, lace-up tie detail, sweeping train, mermaid trumpet silhouette, red carpet styling
Clarisse 811218 Black prom dress front view with hot-stone embellishment, illusion corset bodice, sweetheart neckline, mermaid silhouette, formal prom gownClarisse 811218 Black prom dress back view with fully open crisscross lace-up closure, hot-stone mermaid gown, evening gown
Clarisse 811223Clarisse 811223
Clarisse 811223 Sale price$ 16,551
Clarisse 811236 Dark Purple prom gown front view with sequin embroidery mesh base boning mermaid silhouette formal prom gownClarisse 811236 Dark Purple prom gown back view showing full open back deep scoop mermaid sweep train evening gown
Clarisse 811242 Royal Blue prom dress front view with beaded sequin corset bodice, floral appliqués, illusion waist, and tulle mermaid sweep train, formal prom gownClarisse 811242 Royal Blue prom dress back view with open crisscross lace-up back, fully beaded silhouette, and tulle sweep train, evening gown
Clarisse 811244 Black prom dress front view with sequin floral lace appliqués over tulle, deep v-neck fitted mermaid gown, formal prom gownClarisse 811244 Black prom dress back view with open back and decorative lace strap detailing, fitted mermaid silhouette with sweeping train, evening gown
Clarisse 811254 silver prom dress front view, fully sequined mermaid gown with sweetheart neckline, beaded crisscross straps, keyhole cutout, formal prom gownClarisse 811254 silver prom dress back view, completely open back with beaded straps and floor-sweeping train, sequin mermaid silhouette, evening gown
Clarisse 811262 Light Pink prom dress front view in stretch jersey with 3D floral straps, deep V-neckline, mermaid silhouette, formal prom gownClarisse 811262 Light Pink prom dress back view showing full open back, sweep train, floral strap rosettes, mermaid silhouette, evening gown styling
Clarisse 811338 Black prom dress with sequin fabric, sweetheart off-shoulder neckline, fitted mermaid silhouette, front view, formal prom gownClarisse 811338 Black prom dress with fully sequined open back, detachable off-shoulder puff sleeves removed, back view, evening gown red carpet styling
Portia and Scarlett PS25150 Lilac Silver and Pink Silver front prom gown with lace beaded crystal vine mermaid silhouette sweetheart neckline formal prom gownPortia and Scarlett PS25150 Black Silver back prom gown with lace beaded open back crystal straps mermaid silhouette evening gown
Portia and Scarlett PS25150 Sale price$ 12,362
Portia and Scarlett PS25154 light blue prom gown front view with fully sequined paillette fabric, sweetheart corset bodice, mermaid trumpet silhouette, formal prom gownPortia and Scarlett PS25154 light blue prom gown back view with open back, spaghetti straps, fully sequined mermaid skirt with train, evening gown
Portia and Scarlett PS25154 Sale price$ 13,600
Jovani 43172 PinkJovani 43172 Pink
Jovani 43172 Sale price$ 14,144
Portia and Scarlett PS25169 Cobalt strapless sweetheart beaded corset mermaid trumpet prom gown with glitter tulle skirt and rhinestone embellishment front view formal prom gownPortia and Scarlett PS25169 Black Emerald Champagne-Beige strapless beaded mermaid prom gown editorial view multiple colorways glitter tulle skirt pageant evening gown
Portia and Scarlett PS25169 Sale price$ 13,600
Portia and Scarlett PS25172 Blue AB prom gown front view strapless sweetheart beaded lace mermaid silhouette formal prom gownPortia and Scarlett PS25172 Pink AB prom gown back view open back beaded lace mermaid with train evening gown
Portia and Scarlett PS25172 Sale price$ 12,362
Portia and Scarlett PS25190 Pink and Ivory front editorial view fully beaded strapless sweetheart corset mermaid gown with sweep train formal prom gownPortia and Scarlett PS25190 Gold back view fully sequined open-back strapless mermaid prom gown with boned corset bodice and sweep train evening gown
Portia and Scarlett PS25190 Sale price$ 12,362
Portia and Scarlett PS25199 Seagreen prom dress with sequin tulle, 3D floral beaded appliqués, boned sweetheart corset bodice, mermaid silhouette, front view, formal prom gownPortia and Scarlett PS25199 Seagreen prom dress open crisscross lace-up back, sequin tulle and beaded floral detail, mermaid sweep train, back view, evening gown
Portia and Scarlett PS25199 Sale price$ 11,478
Portia and Scarlett PS25206 Blue prom halter mermaid gown with beaded floral embellishment, open back, and sweeping train, front view, formal prom gownPortia and Scarlett PS25206 Blue prom fully open back halter mermaid dress with beaded waist trim and sweeping train, back view, evening gown styling
Portia and Scarlett PS25206 Sale price$ 8,840
Portia and Scarlett PS25301 Blue and Blush Pink front editorial view fully beaded glitter halter mermaid gown with court train, formal prom gownPortia and Scarlett PS25301 Blush Pink back view fully beaded glitter open-back halter mermaid prom gown with boning and court train, evening gown
Portia and Scarlett PS25301 Sale price$ 11,832
Portia and Scarlett PS25332 blue prom dress with allover sequin and bead scallop pattern, deep v-neck, mermaid silhouette, front view, formal prom gownPortia and Scarlett PS25332 blue prom dress with fully open back, allover beaded embellishment, mermaid silhouette, back view, pageant gown red carpet styling
Portia and Scarlett PS25332 Sale price$ 11,478
Portia and Scarlett PS25349 Cobalt front view prom gown in stretch satin with sweetheart neckline, crossing straps, mermaid silhouette, and floor-sweeping train, formal prom gown
Portia and Scarlett PS25349 Sale price$ 7,942
La Femme 32791 Dark BerryLa Femme 32791 Black
La Femme 32791 Sale price$ 8,541
Elizabeth K GL3605 Off WhiteElizabeth K GL3605 Off White
Elizabeth K GL3605 Sale price$ 18,713
Faviana 11434 Red prom gown front view in stretch satin with floral beaded appliqués on strapless boned bodice, fitted mermaid silhouette, formal prom gownFaviana 11434 Red prom gown back view showing fully open back to the waist, stretch satin fitted mermaid skirt with floor-length flare, evening gown
Faviana 11455 Steel Blue front view prom dress in stretch satin with boning, mermaid trumpet silhouette, strapless open back, formal prom gownFaviana 11455 Steel Blue back view prom dress showing open back to waist, stretch satin sweep train, mermaid trumpet silhouette, evening gown
Faviana 11457 Ultramarine front view strapless ruched mermaid trumpet prom gown in mesh and chiffon with tiered ruffle skirt and open lace-up backFaviana 11457 Ultramarine back view strapless fitted prom gown showing crisscross lace-up open back with ruched mesh bodice and chiffon ruffle skirt formal evening gown
Faviana 11467 Ink Blue front view prom dress with beaded floral appliqués over mesh corset bodice, scoop neckline, fitted mermaid satin skirt, formal prom gownFaviana 11467 Ink Blue back view prom dress with lace-up crisscross open back, embellished straps, smooth satin mermaid skirt and sweep train, evening gown
Andrea and Leo A0997WAndrea and Leo A0997W
Andrea and Leo A0997W Sale price$ 7,684
Andrea and Leo A1429Andrea and Leo A1429
Andrea and Leo A1429 Sale price$ 4,488 Regular price$ 7,874
Clarisse 62108Clarisse 62108
Clarisse 62108 Sale price$ 9,846
Clarisse 62124 Rose Gold prom dress with beaded mesh, sweetheart corset bodice and boning, fitted sheath silhouette with sweep train, front view, formal prom gownClarisse 62124 Rose Gold prom dress with beaded mesh, open crisscross back exposed to below the waistline, fitted sheath with sweep train, back view, evening gown pageant styling
Clarisse 62144 Pale Orchid Purple prom dress front view with beaded sequin tulle mermaid silhouette strapless sweetheart neckline jeweled floral appliqués and sweep train formal prom gownClarisse 62144 Pale Orchid Purple prom dress back view with full open back lace-up corset closure beaded sequin coverage mermaid silhouette and sweep train evening gown
Clarisse 62148 Black champagne beige front prom gown with beaded crystal bodice sheer glitter tulle skirt mermaid silhouette formal prom gownClarisse 62148 Black champagne beige side prom gown with sweeping tulle train fitted mermaid silhouette beaded bodice evening gown
Clarisse 62223Clarisse 62223
Clarisse 62223 Sale price$ 13,423
Clarisse 62245Clarisse 62245
Clarisse 62245 Sale price$ 10,513
Clarisse 62258Clarisse 62258
Clarisse 62258 Sale price$ 9,846
Terani Couture 252E5181Terani Couture 252E5181
Terani Couture 252E5181 Sale price$ 12,009
Terani Couture 252E5196Terani Couture 252E5196
Terani Couture 252E5196 Sale price$ 14,008

Marlas Fashions carries 700+ mermaid evening gowns online, with more than 100,000 clients styled and more than 500,000 followers across our social platforms. 700+ mermaid evening gowns from Mac Duggal, Ladivine, Jessica Angel, Terani Couture, Sherri Hill and Ellie Wilde, with new 2027 arrivals and best sellers first. Chosen for galas, black-tie events, charity balls, award nights, weddings and formal dinners. Shipped worldwide from Toronto, free over $250 across Canada and the USA, with a price-match guarantee and easy returns.

Mermaid Evening Gowns 2027

Marlas Fashions is one of North America's largest designer dress destinations: a 10,000 sq. ft. flagship showroom with over 8,000 dresses in Toronto, Canada, more than 100,000 clients styled, more than 500,000 followers across our social platforms, and an online store that ships to every province in Canada, all 50 US states and worldwide. This page holds 738 mermaid evening gowns from Mac Duggal, Ladivine, Jessica Angel, Terani Couture, Sherri Hill and Ellie Wilde, priced from $115 to $2,141 CAD with most between $115 and $644. Every dress is an authentic designer style bought directly from the designer, never a replica.

New mermaid evening gowns for 2027

73 new 2027 mermaid evening gowns have landed this season from Mac Duggal, Sherri Hill, Terani Couture and Ladivine. They sit first in the grid, followed by proven best sellers, so the first pages are always the newest and strongest styles.

Trending for November: black tie dresses, evening gowns, gala dresses and black evening gowns

This month the fastest-growing searches are black tie dresses, evening gowns, gala dresses, black evening gowns, red evening gowns and gold evening gowns. The tiles above follow that demand and are refreshed as the season moves, so the edit you see is the one people are asking for now.

Mermaid Evening Gowns for every occasion

These mermaid evening gowns are chosen for galas, black-tie events, charity balls, award nights, weddings and formal dinners. Customers most often shop them for evening events, prom, formal events, wedding guests and galas. The most-stocked looks are mermaid, fitted, jersey, open-back, V-neck and simple, and the colours customers ask for most are blue, green, pink, hot pink, black and red. Use the filters to narrow by designer, colour, size, length, neckline, fabric and price, or start from the tiles above.

Shipping worldwide from Toronto

Marlas Fashions ships mermaid evening gowns worldwide with tracked delivery. In Canada, orders ship free over $250 to Toronto, Vancouver, Montreal, Calgary, Ottawa and Edmonton and every province, priced in Canadian dollars. In the United States, shop in USD with free shipping over $250 to New York, Los Angeles, Chicago, Houston, Miami and Dallas and every state. International customers check out in CAD or USD and receive the same price-match guarantee and easy returns. Need it fast? Our Toronto team confirms stock and ship dates by phone, text or WhatsApp before you order.

Sizes and fit

Most mermaid evening gowns run from size 00 to 16, with 388 styles in plus sizes up to 24 or 26. Each product page shows that designer's size chart; measure bust, waist and hips and compare, because formal sizing differs from everyday clothing. Our stylists confirm sizing by phone, text or WhatsApp.

Why shop mermaid evening gowns at Marlas Fashions

  • One of North America's largest designer dress destinations: 738 mermaid evening gowns online and thousands more in our Toronto flagship.
  • Authorized retailer for Mac Duggal, Ladivine, Jessica Angel, Terani Couture, Sherri Hill and Ellie Wilde: authentic current-season styles, never replicas.
  • Worldwide shipping with tracked delivery, free on orders over $250 across Canada and the USA.
  • A price-match guarantee and easy returns, with stylists available by phone, text and WhatsApp.
  • More than 100,000 clients styled and more than 500,000 followers across our social platforms.

Frequently Asked Questions