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Mermaid Prom Dresses

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1045 Item

Clarisse 62100 Light Jade Green front view fully beaded sequin v-neck fitted trumpet prom gown with open back sweep train formal prom gownClarisse 62100 Light Jade Green back view fully beaded sequin open back fitted trumpet prom gown with crossing beaded straps evening gown
Color
Faviana 11208 Navy front view beaded satin mermaid gown with crisscross open backFaviana 11208 Navy back view beaded satin mermaid gown with crisscross open back
Color
+3
A woman modeling a floor-length silver sequined gown with a sweetheart neckline, fitted bodice, and mermaid silhouette on a plain beige studio background.A woman modeling a floor-length silver sequined gown with thin straps, a fitted silhouette, and a long train against a plain beige studio background.

Portia and Scarlett

Style PS22036
Sale price$ 11,814
Color
+9
Faviana 11225 Electric Blue side view v-neck satin-finish jersey mermaid gown with ruched open backFaviana 11225 Electric Blue alternate view v-neck satin-finish jersey mermaid gown with ruched open back
Color
+4
Faviana E11201 Sage Green prom dress with stretch satin, beaded floral appliqués, scoop neckline, mermaid silhouette, front view, formal evening gownFaviana E11201 Sage Green prom dress with crisscross lace-up open back, stretch satin, beaded floral appliqués, mermaid silhouette, back view, evening gown
Color
+2
Portia and Scarlett PS26032 pink prom strapless boned corset mermaid gown in stretch satin with sweep train, high-back closure, front view, formal prom gownPortia and Scarlett PS26032 pink prom strapless corset mermaid gown showing structured high-back zipper closure in stretch satin, back view, evening gown

Portia and Scarlett PS26032

Strapless Boned Corset Mermaid Satin Gown
Sale price$ 10,050
Color
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
Color
Ellie Wilde EW37083 Emerald strapless mermaid prom gown with glitter lace appliqués, boned corset bodice, and sweep train, front view, formal prom gownEllie Wilde EW37083 Ivory Sand illusion back strapless mermaid prom gown with vertical boning channels and sweep train, back view, evening gown
Color
SaleAndrea and Leo A1429Andrea and Leo A1429

Andrea and Leo

Style A1429
Sale price$ 4,550 Regular price$ 7,982 42% Off
Color
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
Color
SaleAndrea and Leo A1388Andrea and Leo A1388

Andrea and Leo

Style A1388
Sale price$ 4,095 Regular price$ 6,948 41% Off
Color
Faviana 11419 Light Pink strapless sweetheart mermaid trumpet prom gown in stretch satin with tiered chiffon ruffle hem, front view, formal prom gownFaviana 11419 Light Pink open back mermaid gown in stretch satin and chiffon, back view showing full open back to waist, evening gown styled for prom
Color
Clarisse 62122 periwinkle prom dress detail front crop with hot-stone rhinestones, illusion corset bodice, sweetheart neckline, fitted mermaid silhouette, formal prom gownClarisse 62122 periwinkle prom dress back view with fully open back, crisscross straps, lace-up tie closure, mermaid silhouette, evening gown
Color
Portia and Scarlett PS26257 Leopard prom dress front view with satin print fabric, cowl neckline, fitted mermaid silhouette, formal prom gownPortia and Scarlett PS26257 Leopard prom dress back view showing crisscross open back, satin print fabric, mermaid silhouette, evening gown

Portia and Scarlett PS26257

Cowl-Neck Leopard-Print Mermaid Gown with Train
Sale price$ 7,569
Color
Portia and Scarlett PS26000 pink floral prom gown front view with floral satin, boned sweetheart corset bodice, mermaid silhouette, formal prom gownPortia and Scarlett PS26000 pink floral prom gown back view with open back, spaghetti straps, sweep train, evening gown

Portia and Scarlett PS26000

Floral Satin Mermaid Corset Gown with Train
Sale price$ 7,293
Color
Faviana 11441 Vintage Blue prom dress with glitter lace, strapless sweetheart neckline, fitted mermaid trumpet silhouette, front view, formal prom gownFaviana 11441 Vintage Blue prom dress crisscross lace-up back detail, glitter floral lace, fitted trumpet silhouette, back view, evening gown for gala
Color
Portia and Scarlett PS26023 leopard prom dress full view satin mermaid gown with sweetheart neckline bead trim straps and trumpet hem formal prom gownPortia and Scarlett PS26023 leopard prom dress detail view bead trim sweetheart neckline and straps on satin mermaid bodice with boning evening gown

Portia and Scarlett PS26023

Satin Leopard-Print Mermaid Gown with Straps
Sale price$ 7,982
Color
SaleAndrea and Leo MA101Andrea and Leo MA101

Andrea and Leo

Style MA101
Sale price$ 5,239 Regular price$ 11,911 56% Off
Color
LaDivine CD723 Multi-Color Strapless Mermaid Gown – Sequin Floral Tulle Train Pageant Formal Dress | Marlas FashionsLaDivine CD723 Multi-Color Strapless Mermaid Gown – Sequin Floral Tulle Train Pageant Formal Dress | Marlas Fashions
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
Color
Ellie Wilde EW36008 Emerald mermaid prom gown front view with floral lace appliqués over tulle, illusion corset bodice, sweetheart neckline, formal prom gownEllie Wilde EW36008 Emerald mermaid prom gown back view showing full lace-up crisscross open back with beaded train, evening gown

Ellie Wilde EW36008

Mermaid Lace Illusion Corset Gown with Beaded Train
Sale price$ 9,912
Color
+6
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
Color
Jessica Angel 728 RedJessica Angel 728 Red

Jessica Angel

Style 728
Sale price$ 8,478
Color
Ellie Wilde EW35011 Cerulean Blue prom dress front view with sequin floral mesh mermaid silhouette deep V-neckline spaghetti straps and sweep train formal prom gownEllie Wilde EW35011 Cerulean Blue prom dress back view with fully open back crisscross lace-up strap closure sequin floral mermaid silhouette and sweep train evening gown

Ellie Wilde EW35011

Deep V-Neck Sequin Floral Mermaid Gown with Train
Sale price$ 11,015
Color
+8
Jessica Angel 2367 Neon YellowJessica Angel 2367 Neon Yellow

Jessica Angel

Style 2367
Sale price$ 10,574
Color
Jessica Angel 2424 Rust OliveJessica Angel 2424 Rust Olive

Jessica Angel

Style 2424
Sale price$ 8,189
Color
Ellie Wilde EW37085 Ivory Petal front view strapless mermaid prom gown with beaded lace floral appliqués illusion corset bodice and tulle train formal prom gownEllie Wilde EW37085 Ivory Petal back view illusion back panel sheer mesh with lace and beading mermaid trumpet prom gown evening gown silhouette

Ellie Wilde EW37085

Strapless Mermaid Gown with Illusion Corset Bodice
Sale price$ 11,015
Color
Jessica Angel 2641 TurquoiseJessica Angel 2641 Turquoise

Jessica Angel

Style 2641
Sale price$ 8,478
Color
Jessica Angel 2415 RedJessica Angel 2415 Red

Jessica Angel

Style 2415
Sale price$ 8,892
Color
Ellie Wilde EW37042 Dusk front view strapless sweetheart sequin mermaid prom gown with floral appliqué beading open back and sweep train formal evening gownEllie Wilde EW37042 Dusk back view open back full-length sequin mermaid prom gown with floral bead appliqués structured sweetheart bodice and sweep train evening gown

Ellie Wilde EW37042

Sequin Floral Appliqué Strapless Mermaid Gown with Train
Sale price$ 11,015
Color
+7
SaleLadivine CC0240 Silver NudeLadivine CC0240 Silver Nude

Ladivine

Style CC0240
Sale price$ 6,852 Regular price$ 12,021 42% Off
Color
Jessica Angel 813 Bright GreenJessica Angel 813 Bright Green

Jessica Angel

Style 813
Sale price$ 7,651
Color
Portia and Scarlett PS26005 ivory-champagne beige prom dress front view with floral lace appliqués over sheer mesh, boned corset bodice, strapless mermaid silhouette, formal prom gownPortia and Scarlett PS26005 ivory-champagne beige prom dress back view showing full open back to waist, floral lace mermaid gown with sweep train, pageant gown styling

Portia and Scarlett PS26005

Strapless Lace Mermaid Gown with Corset Bodice
Sale price$ 12,118
Color
Jessica Angel 2527 Sky BlueJessica Angel 2527 Sky Blue

Jessica Angel

Style 2527
Sale price$ 9,347
Color
Jessica Angel 882 RedJessica Angel 882 Red

Jessica Angel

Style 882
Sale price$ 7,610
Color
Faviana 11440 Cloud Blue back view mermaid scoop-neck gown with beaded floral appliqués & trainFaviana 11440 Ink Blue front view mermaid scoop-neck gown with beaded floral appliqués & train
Color
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
Color
Ellie Wilde EW37000 Dark Purple Multi front view prom dress in structured satin with deep v-neckline, beaded floral appliqués, fitted mermaid silhouette, formal prom gownEllie Wilde EW37000 Dark Purple Multi back view prom dress showing fully open back, spaghetti straps, fitted mermaid silhouette with sweeping train, evening gown
Color
Faviana 11427 Ink Blue prom dress with jersey and beaded floral appliqués, deep v-neck mermaid silhouette, front view, formal prom gownFaviana 11427 Ink Blue prom dress with open crisscross back and beaded floral appliqués, fitted mermaid silhouette, back view, evening gown
Color
Jessica Angel 2510 RoyalJessica Angel 2510 Royal

Jessica Angel

Style 2510
Sale price$ 9,126
Color
Ellie Wilde EW37227 Navy Blue prom dress front view, full-length sequin mermaid gown with beaded floral appliqués, sweetheart neckline, formal prom gownEllie Wilde EW37227 Navy Blue prom dress back view, open back with illusion mesh panel and beaded appliqués, mermaid trumpet silhouette, evening gown

Ellie Wilde EW37227

Sequin Mermaid Gown with Illusion Back with Sweep Train
Sale price$ 10,739
Color
Portia and Scarlett PS26010 cobalt blue front prom dress in all-over glitter jersey with strapless sweetheart neckline, fitted mermaid silhouette, formal prom gownPortia and Scarlett PS26010 cobalt blue back prom dress showing fully open back, all-over glitter stretch jersey, mermaid sweep train, evening gown

Portia and Scarlett PS26010

Strapless Sweetheart Mermaid Glitter Gown
Sale price$ 11,635
Color
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

Style PS25190
Sale price$ 12,531
Color
+2
Jessica Angel 378 BubblegumJessica Angel 378 Bubblegum

Jessica Angel

Style 378
Sale price$ 7,610
Color
Ellie Wilde EW37209 Emerald front view prom gown with allover beaded lace, illusion V-neckline, fitted mermaid silhouette, formal prom gownEllie Wilde EW37209 Emerald back view prom gown with open lace-up crisscross back, beaded lace mermaid silhouette, evening gown

Ellie Wilde EW37209

Lace Illusion Mermaid Gown with Beading & Train
Sale price$ 11,015
Color
Ellie Wilde EW37113 Dusk strapless sweetheart illusion lace mermaid prom gown with glitter ruffle tulle skirt, open crisscross back, front view, formal prom gownEllie Wilde EW37113 Dusk open crisscross lace-up back strapless mermaid prom gown with illusion bodice and glitter ruffle tulle train, back view, evening gown

Ellie Wilde EW37113

Strapless Sweetheart Illusion Lace Mermaid Gown
Sale price$ 11,015
Color
Ellie Wilde EW35010 Strawberry front view sweetheart mermaid prom gown with beaded lace floral appliqués boning sweep train formal prom gownEllie Wilde EW35010 Strawberry back view sweetheart mermaid prom gown with open lace-up back sweep train evening gown

Ellie Wilde EW35010

Sweetheart Mermaid Lace Beaded Gown with Train
Sale price$ 9,912
Color
+15
Ellie Wilde EW37222 Sage Green prom gown front view beaded floral appliqués on glitter tulle mermaid trumpet silhouette formal prom gownEllie Wilde EW37222 Sage Green back view fully open back spaghetti straps beaded mermaid sweep train evening prom gown

Ellie Wilde EW37222

Beaded Mermaid Trumpet Gown with Floral Appliqués
Sale price$ 9,912
Color

Shop mermaid prom dresses 2027 from Marlas Fashions, the Toronto flagship that ships designer dresses worldwide. 700+ mermaid prom dresses from Ellie Wilde, Mac Duggal, Ladivine, Jessica Angel, Sherri Hill and La Femme, with new 2027 arrivals and best sellers first. Chosen for prom, grad, formals and winter formals. Shipped worldwide from Toronto, free over $250 across Canada and the USA, with a price-match guarantee and easy returns.

Mermaid Prom Dresses 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 713 mermaid prom dresses from Ellie Wilde, Mac Duggal, Ladivine, Jessica Angel, Sherri Hill and La Femme, priced from $115 to $1,825 CAD with most between $115 and $644. Every dress is an authentic designer style bought directly from the designer, never a replica.

New mermaid prom dresses for 2027

71 new 2027 mermaid prom dresses have landed this season from Ellie Wilde, Mac Duggal, Sherri Hill and Ladivine. They sit first in the grid, followed by proven best sellers, so the first pages are always the newest and strongest styles.

Mermaid Prom Dresses for every occasion

These mermaid prom dresses are chosen for prom, grad, formals and winter formals. Customers most often shop them for prom, evening events, formal events, wedding guests and galas. The most-stocked looks are mermaid, fitted, open-back, jersey, V-neck and beaded, 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 prom dresses 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 prom dresses run from size 00 to 16, with 376 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 prom dresses at Marlas Fashions

  • One of North America's largest designer dress destinations: 713 mermaid prom dresses online and thousands more in our Toronto flagship.
  • Authorized retailer for Ellie Wilde, Mac Duggal, Ladivine, Jessica Angel, Sherri Hill and La Femme: 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