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Mermaid Prom Dresses

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1059 Item

Atria 6839H KiwiAtria 6839H Kiwi

Atria

Style 6839H
Sale price$ 9,671
Color
Jessica Angel 2576 RedJessica Angel 2576 Red

Jessica Angel

Style 2576
Sale price$ 8,342
Color
Faviana 11271 Black prom dress with satin and beaded sequin appliqués, strapless sweetheart neckline, mermaid silhouette, formal prom gownFaviana 11271 Black prom dress with open back, satin base and beaded floral appliqués, mermaid silhouette, evening gown
Color
+1
Atria 6557HAtria 6557H

Atria

Style 6557H
Sale price$ 8,505
Color
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 811254

Fully Sequined Mermaid Gown with Open Back & Train
Sale price$ 10,715
Color
La Femme 30484 Dark BerryLa Femme 30484 Dark Berry

La Femme

Style 30484
Sale price$ 5,643
Color
+3
Ladivine CZ0028 Silver beaded mermaid gown with tulle overskirt, engagement gownLadivine CZ0028 Silver beaded V-neck gown with sweep train, back view reception gown

Ladivine

Style CZ0028
Sale price$ 10,051
Color
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 811262

Jersey Mermaid Gown with Floral Strap Detail Gown
Sale price$ 7,867
Color
Clarisse 811337 Black MultiClarisse 811337 Black Multi

Clarisse

Style 811337
Sale price$ 10,715
Color
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
Color
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
Color
Clarisse 811118 BlackClarisse 811118 Black

Clarisse

Style 811118
Sale price$ 8,233
Color
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
Color
Clarisse 811223Clarisse 811223

Clarisse

Style 811223
Sale price$ 16,507
Color
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

Style PS25206
Sale price$ 8,817
Color
Atria 6830HAtria 6830H

Atria

Style 6830H
Sale price$ 8,898
Color
Jessica Angel 2630 OrchidJessica Angel 2630 Orchid

Jessica Angel

Style 2630
Sale price$ 8,342
Color
Clarisse 811284 NavyClarisse 811284 Navy

Clarisse

Style 811284
Sale price$ 10,309
Color
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
Color
Faviana 11226 Royal prom dress with stretch jersey, boned v-neck bodice, floor-length mermaid silhouette, front view, formal prom gownFaviana 11226 Royal prom dress with jersey, crisscross lace-up open back, mermaid silhouette with sweep train, back view, evening gown
Color
SaleLadivine CB119 RedLadivine CB119 Red

Ladivine

Style CB119
Sale price$ 1,818 Regular price$ 3,039 40% Off
Color
Atria - 6028H Strapless Straight Neck Mermaid Gown In PinkAtria - 6028H Strapless Straight Neck Mermaid Gown In Pink

Atria

Style 6028H
Sale price$ 8,355
Color
Ladivine J810Ladivine J810 Gold-Mist

Ladivine

Style J810
Sale price$ 3,391
Color
+12
La Femme - 28975 Long Deep V-Neck Mermaid Dress In BlackLa Femme - 28975 Long Deep V-Neck Mermaid Dress In Black

La Femme

Style 28975
Sale price$ 7,162
Color
La Femme 31865 Light PeriwinkleLa Femme 31865 Light Periwinkle

La Femme

Style 31865
Sale price$ 11,326
Color
+1
La Femme 32192 Slate BlueLa Femme 32192 Slate Blue

La Femme

Style 32192
Sale price$ 12,085
Color
Atria - 6304H Metallic Shiny Bare Back Trumpet Dress In Blue and SilverAtria - 6304H Metallic Shiny Bare Back Trumpet Dress In Blue and Silver

Atria

Style 6304H
Sale price$ 7,962
Color
SaleLadivine CM350 Hot PinkLadivine CM350 Hot Pink

Ladivine

Style CM350
Sale price$ 3,581 Regular price$ 6,891 48% Off
Color
La Femme 32033 Dark BerryLa Femme 32033 Dark Berry

La Femme

Style 32033
Sale price$ 11,326
Color
La Femme 32118 BlackLa Femme 32118 Black

La Femme

Style 32118
Sale price$ 11,326
Color
SaleAtria - 6509H Off Shoulder Mermaid Long Gown In GrayAtria - 6509H Off Shoulder Mermaid Long Gown In Gray

Atria

Style 6509H
Sale price$ 8,749 Regular price$ 9,278 5% Off
Color
La Femme 31512 AquaLa Femme 31512 Aqua

La Femme

Style 31512
Sale price$ 7,542
Color
La Femme 31579 GreenLa Femme 31579 Green

La Femme

Style 31579
Sale price$ 9,427
Color
SaleLadivine CB112 GreenLadivine CB112 Green

Ladivine

Style CB112
Sale price$ 1,818 Regular price$ 3,378 46% Off
Color
La Femme 32246 BlackLa Femme 32246 Black

La Femme

Style 32246
Sale price$ 9,427
Color
La Femme 30320 Dark EmeraldLa Femme 30320 Black

La Femme

Style 30320
Sale price$ 9,427
Color
+1
SaleAtria 6534Atria 6534

Atria

Style 6534
Sale price$ 8,545 Regular price$ 10,824 21% Off
Color
Atria - 6526h Detailed Formal Strapless Trumpet Gown In Purple and BlackAtria - 6526h Detailed Formal Strapless Trumpet Gown In Purple and Black

Atria

Style 6526H
Sale price$ 8,505
Color
SaleLadivine CH062 Emeraldvideowise-widget-6675879ca76a3d00290aacea-10070582001857

Ladivine

Style CH062
Sale price$ 1,764 Regular price$ 3,269 46% Off
Color
+2
La Femme 31535 Light PeriwinkleLa Femme 31535 Light Periwinkle

La Femme

Style 31535
Sale price$ 9,427
Color
Atria - 5923H Plunging Back Sheath Gown In RedAtria - 5923H Plunging Back Sheath Gown In Red

Atria

Style 5923H
Sale price$ 9,129
Color
Atria - 6535H Plunging Formal Mermaid Gown In Black and BlueAtria - 6535H Plunging Formal Mermaid Gown In Black and Blue

Atria

Style 6535H
Sale price$ 9,902
Color
La Femme 31524 BlackLa Femme 31524

La Femme

Style 31524
Sale price$ 9,427
Color
Atria - 6409H Crisscross Open Back Shiny Evening Gown In GoldAtria - 6409H Crisscross Open Back Shiny Evening Gown In Gold

Atria

Style 6409H
Sale price$ 7,962
Color
La Femme 32026 SageLa Femme 32026 Sage

La Femme

Style 32026
Sale price$ 13,211
Color
La Femme 31945 EmeraldLa Femme 31945 Emerald

La Femme

Style 31945
Sale price$ 9,047
Color
+1
La Femme 32325 Hot FuchsiaLa Femme 32325 Hot Fuchsia

La Femme

Style 32325
Sale price$ 9,047
Color
La Femme 32289 Dark EmeraldLa Femme 32289 Dark Emerald

La Femme

Style 32289
Sale price$ 6,633
Color

Shop mermaid prom dresses 2027 from Marlas Fashions, the Toronto flagship that ships designer dresses worldwide. 650+ 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 672 mermaid prom dresses from Ellie Wilde, Mac Duggal, Ladivine, Jessica Angel, Sherri Hill and La Femme, priced from $129 to $1,924 CAD with most between $129 and $662. Every dress is an authentic designer style bought directly from the designer, never a replica.

New mermaid prom dresses for 2027

76 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, jersey, open-back, beaded 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 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 384 styles in plus sizes up to 24 or 26 and 3 petite styles. 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: 672 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