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Mermaid Prom Dresses

Shop mermaid prom dresses 2027 from Marlas Fashions, the Toronto flagship that ships designer dresses worldwide. Mermaid prom dresses from Ellie Wilde, Mac Duggal, Lad...Shop mermaid prom dresses 2027 from Marlas Fashions, the Toronto flagship that shi... See more

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1059 Item

Sherri Hill 57761 Pink prom gown front view with satin fabric, 3D rosette floral appliqués at hem, strapless mermaid trumpet silhouette, formal prom gownSherri Hill 57761 Pink prom gown back view with open back, satin fabric, sweeping train, mermaid trumpet silhouette, evening gown

Sherri Hill 57761

Strapless Mermaid Trumpet Gown with Floral Appliqués
Sale price$971 CAD
Color
+5
Portia and Scarlett PS26007 red strapless pearl-beaded corset mermaid gown with jersey skirt and sweep train, front view, formal prom gownPortia and Scarlett PS26007 red strapless corset mermaid gown crisscross lace-up back closure with pearl beading and boning channels, back view, prom gown

Portia and Scarlett PS26007

Strapless Pearl-Beaded Corset Mermaid Gown
Sale price$859 CAD
Color
SaleMac Duggal 27874 black prom gown front view with stretch jersey fitted mermaid silhouette and velvet halter bow formal prom gownMac Duggal 27874 black prom gown back view with fully open back halter tie and fitted trumpet skirt evening gown

Mac Duggal 27874

Halter Velvet Bow Trumpet Mermaid Jersey Gown with Sweep Train
Sale price$820 CAD Regular price$1,048 CAD 21% Off
Color
Jessica Angel 378 BubblegumJessica Angel 378 Bubblegum

Jessica Angel

Style 378
Sale price$552 CAD
Color
Ellie Wilde EW37005 Dark Purple Multi front view floral print mermaid prom gown with hot-stone bodice, v-neckline with straps, formal prom gownEllie Wilde EW37005 Magenta Multi back view open back mermaid prom gown with floral border print skirt and train sweep, evening gown

Ellie Wilde EW37005

Floral Print Mermaid Gown with Hot-Stone Bodice
Sale price$659 CAD
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
Ellie Wilde EW36013 Black prom dress front view beaded mermaid trumpet gown with sweetheart neckline boning crisscross back and sweeping train formal prom gownEllie Wilde EW36013 Black prom dress back view showing crisscross lace-up open back with all-over rhinestone beading and sweep train evening gown

Ellie Wilde EW36013

Beaded Mermaid Trumpet Gown with Sweetheart Bodice
Sale price$799 CAD
Color
+4
Mac Duggal 20482 Rose Pink front view evening gown with floral lace and scattered sequin beading, fitted mermaid silhouette, formal prom gownMac Duggal 20482 Rose Pink back view evening gown with floral lace and zipper closure, fitted mermaid silhouette, black tie event dress

Mac Duggal 20482

One-Shoulder Lace Mermaid Gown with Sequin Beading
Sale price$1,373 CAD
Color
Sherri Hill 57656 Periwinkle prom gown front view with all-over beading, illusion mesh midriff, scoop neckline, mermaid silhouette, formal prom gownSherri Hill 57656 Periwinkle prom gown back view with crisscross strap detail, keyhole cut-out, beaded satin mermaid skirt, evening gown

Sherri Hill 57656

Beaded Mermaid Gown with Illusion Midriff & Train
Sale price$904 CAD
Color
+5
Andrea and Leo A1519 Blue front view fully beaded strapless sweetheart mermaid gown with boned corset bodice and crisscross lace-up back for evening formal eventAndrea and Leo A1519 Blue back view beaded crisscross lace-up closure on fitted mermaid trumpet gown with sweep train for formal evening events gala

Andrea and Leo A1519

Strapless Sweetheart Fully Beaded Mermaid Gown with Train
Sale price$657 CAD
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$579 CAD
Color
Sherri Hill 53879 light blue fitted mermaid prom gown in stretch jersey, deep V-neck with spaghetti straps, front view, formal prom gownSherri Hill 53879 light blue mermaid jersey gown, dramatic crisscross open back with ruching and sweep train, back view, evening gown styled for prom

Sherri Hill 53879

Fitted Mermaid V-Neck Jersey Gown with Crisscross Back
Sale price$554 CAD
Color
+9
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$729 CAD
Color
SaleMac Duggal 56476 wine velvet off-shoulder mermaid trumpet gown front view with long fitted sleeves, high back, formal evening gownMac Duggal 56476 wine velvet mermaid trumpet gown back view showing fully covered high back and long sleeves, black-tie event dress styled for evening

Mac Duggal 56476

Off-Shoulder Velvet Mermaid Trumpet Gown with Sweep Train
Sale price$700 CAD Regular price$897 CAD 21% Off
Color
Jovani 49375Jovani 49375

Jovani

Style 49375
Sale price$907 CAD
Color
Ellie Wilde EW37027 Magenta front view fitted lace mermaid prom gown with floral appliqués, beaded accents, v-neckline, sweep train, formal prom gownEllie Wilde EW37027 Magenta back view fitted lace mermaid prom gown with crisscross lace-up open back, floral appliqués, sweep train, evening gown

Ellie Wilde EW37027

Fitted Lace Mermaid Trumpet Gown with Floral Appliqués
Sale price$719 CAD
Color
Ladivine CD756 rose champagne beaded corset gown — angled side view highlighting the fitted bodice and tulle skirtLadivine CD756 rose champagne — close-up detail of the crystal beading across the strapless corset bodice
Color
Ellie Wilde EW37101 Royal Blue prom gown front view, fully beaded Art Deco mermaid trumpet silhouette with deep v-neck, spaghetti straps, formal prom gownEllie Wilde EW37101 Royal Blue prom gown back view, full open back with spaghetti straps, beaded trumpet skirt sweep train, evening gown styling

Ellie Wilde EW37101

Beaded Mermaid Trumpet Gown with V-Neck with Sweep Train
Sale price$759 CAD
Color
SaleMac Duggal 21263 hot-pink front view off-shoulder sweetheart fitted trumpet gown with jersey fabric, 3D satin floral appliqués on shoulders, sweep train, prom formal evening gownMac Duggal 21263 hot-pink back view off-shoulder trumpet gown with jersey body, zipper closure, mid-back coverage, sweep train, formal prom gown

Mac Duggal 21263

Off-Shoulder Trumpet Gown with 3D Floral Appliqués
Sale price$932.50 CAD Regular price$1,098 CAD 15% Off
Color
Sherri Hill 54227 Bright Pink front view prom gown with floral lace appliqués, illusion corset bodice, strapless sweetheart neckline, mermaid silhouette, formal prom gownSherri Hill 54227 Bright Pink back view prom gown with lace-up crisscross back closure, floral lace appliqués, mermaid silhouette, evening gown

Sherri Hill 54227

Strapless Mermaid Lace Gown with Illusion Corset Bodice
Sale price$1,043 CAD
Color
+16
Andrea & Leo A1482Andrea & Leo A1482

Andrea and Leo

Andrea & Leo A1482
Sale price$604 CAD
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
Portia and Scarlett PS26126 gunmetal prom gown front view with fully beaded mesh fabric, boned sweetheart strapless neckline, fitted mermaid silhouette, formal prom gownPortia and Scarlett PS26126 gunmetal prom gown back view with fully beaded mesh, completely open bare back from shoulder blades to waist, mermaid sweep train, evening gown

Portia and Scarlett PS26126

Fully Beaded Strapless Mermaid Gown with Sweep Train
Sale price$819 CAD
Color
Sherri Hill 56160 Periwinkle front view strapless lace mermaid prom gown with illusion corset bodice, crystal beading, floral appliqués, formal prom gownSherri Hill 56160 Periwinkle back view open-back lace mermaid prom gown with sweep train, boning, and full-length floral lace appliqués, evening gown
Color
+8
SaleAndrea & Leo A1492Andrea & Leo A1492

Andrea and Leo

Andrea & Leo A1492
Sale price$497 CAD Regular price$1,036 CAD 52% Off
Color
SaleMac Duggal 9168 sage green front view fitted mermaid prom gown with mesh tulle base 3D floral appliqués pearl beading one-shoulder neckline formal prom gownMac Duggal 9168 sage green back view fitted mermaid prom gown with open back diagonal straps full floral appliqué coverage evening gown red carpet styling

Mac Duggal 9168

One-Shoulder Floral Appliqué Mermaid Gown with Sweep Train
Sale price$700 CAD Regular price$823 CAD 14% Off
Color
LaDivine KV1130 smoky blue v-neck beaded fitted mermaid evening gown — smoky steel-blue front view for mother of the brideLaDivine KV1130 smoky blue — rear-facing view showing the long-sleeve corset bodice of the fitted mermaid evening gown
Color
+1
Ellie Wilde EW37116 Black prom dress front view with full beading on mesh, deep v-neck mermaid silhouette, formal prom gownEllie Wilde EW37116 Black prom dress back view with completely open back, thin spaghetti straps, fully beaded mermaid evening gown

Ellie Wilde EW37116

Fully Beaded Mermaid Gown with Sweep Train with Open Back
Sale price$999 CAD
Color
Terani Couture 261P6676Terani Couture 261P6676

Terani Couture

Style 261P6676
Sale price$1,291 CAD
Color
Ellie Wilde EW37070 Emerald front view fully sequined mermaid prom gown with illusion mesh bodice sweetheart neckline spaghetti straps formal prom gownEllie Wilde EW37070 Emerald back view fully sequined mermaid prom gown with dramatic open back train evening gown

Ellie Wilde EW37070

Sequin Mermaid Gown with Illusion Mesh Bodice
Sale price$739 CAD
Color
Mac Duggal 56232 Black Ivory front view off-shoulder scoop-neck stretch jersey mermaid gown with ivory knotted drape for formal galaMac Duggal 56232 Black Ivory back view off-shoulder draped jersey mermaid gown with sweeping ivory overlay for black-tie event styled for formal
Color
Ladivine CD659 navy prom off-shoulder sweetheart neckline beaded lace mermaid gown with 3D floral appliqués and bell sleeves front view formal prom gownLadivine CD659 navy prom structured lace fitted back with upper back exposure sweep train detail back view evening gown
Color
Jovani 43577 TealJovani 43577 Hot Pink

Jovani

Style 43577
Sale price$811 CAD
Color
SaleLadivine CD764 beaded prom gown — close-up of the sweetheart neckline and corset detailingLadivine CD764 beaded sweetheart gown — angled view of the fitted corset and sweeping train

Ladivine CD764

Beaded Corset Sweetheart Sheath Gown with Mid Open Back
Sale price$748 CAD Regular price$888 CAD 15% Off
Color
Sherri Hill 55124 Black prom dress front view with hot-stone crystals over stretch jersey, fitted mermaid trumpet silhouette, formal prom gownSherri Hill 55124 Black prom dress back view with hot-stone crystals, multi-strand crisscross open back, fitted mermaid trumpet, pageant gown

Sherri Hill 55124

V-Neck Hot-Stone Mermaid Trumpet Gown with Train
Sale price$765 CAD
Color
+12
Jessica Angel 2541 FuchsiaJessica Angel 2541 Fuchsia

Jessica Angel

Style 2541
Sale price$1,339 CAD
Color
Terani Couture 261P6193Terani Couture 261P6193

Terani Couture

Style 261P6193
Sale price$621 CAD
Color
Mac Duggal 9950677P Black front view off-shoulder sweetheart satin mermaid gown with boning and short puff sleeves formal prom gownMac Duggal 9950677P Black back view off-shoulder sweetheart satin mermaid gown with covered mid-back zipper closure evening gown, prom gown
Color
Clarisse 62245Clarisse 62245

Clarisse

Style 62245
Sale price$773 CAD
Color
Ellie Wilde EW37114 Red prom dress front view with lace appliqué and beaded bodice, strapless sweetheart mermaid silhouette with sweeping train, formal prom gownEllie Wilde EW37114 Red prom dress back view showing full open back, boned strapless mermaid gown with lace bodice and train, evening gown

Ellie Wilde EW37114

Strapless Mermaid Lace Beaded Gown with Train
Sale price$739 CAD
Color
La Femme 32791 Dark BerryLa Femme 32791 Black

La Femme

Style 32791
Sale price$628 CAD
Color
Ellie Wilde EW37047 Black Gold front view prom mermaid gown with floral gold bead and sequin embroidery on mesh deep v-neckline sweep train formal prom gownEllie Wilde EW37047 Black Gold back view prom mermaid gown full open back crisscross spaghetti strap closure gold floral beading on black mesh evening gown

Ellie Wilde EW37047

V-Neck Mermaid Gown with Floral Beading & Train
Sale price$699 CAD
Color
SaleMac Duggal 68983 Black prom one-shoulder sweetheart velvet mermaid trumpet gown with 3D floral appliqués, structured bodice, front view, formal prom gownMac Duggal 68983 Black prom full open back velvet mermaid gown with center zipper, one-shoulder floral strap, back view, evening gown

Mac Duggal 68983

One-Shoulder Velvet Mermaid Trumpet Gown with Floral Appliqués
Sale price$1,082.50 CAD Regular price$1,348 CAD 19% Off
Color
Jovani 47329Jovani 47329

Jovani

Style 47329
Sale price$893 CAD
Color
Jessica Angel 2532 SeafoamJessica Angel 2532 Seafoam

Jessica Angel

Style 2532
Sale price$709 CAD
Color
Jovani 46873Jovani 46873

Jovani

Style 46873
Sale price$1,074 CAD
Color
La Femme 32897 BronzeLa Femme 32897 Black

La Femme

Style 32897
Sale price$500 CAD
Color

Shop mermaid prom dresses 2027 from Marlas Fashions, the Toronto flagship that ships designer dresses worldwide. 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 and Los Angeles, 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, shipping from Toronto and Los Angeles: 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 brings together 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 and Los Angeles

Marlas Fashions ships mermaid prom dresses worldwide with tracked delivery from two hubs, Toronto and Los Angeles. Canadian orders ship from Toronto, free over $250, priced in Canadian dollars. US orders ship from Los Angeles in USD with free shipping over $250 to 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 390 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, shipping from Toronto and Los Angeles: 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 from Toronto and Los Angeles 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