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Mermaid Prom Dresses & School Formal Gowns: Embrace Elegance

Mermaid Formal Dresses Australia — Dive into drama and elegance with our trending range of mermaid-style formal gowns, loved on TikTok and red carpet events. At One Honey Boutique, enjoy a curated selection of fit‑and‑flare silhouettes, boned corsets, and thigh‑high slits in sizes 2–26 designed to highlight every curve.

Perfect for prom, Year 12 formals, and glam evenings, our mermaid gowns come in luxe fabrics like satin, sequin mesh, and stretch tulle. Influencer-approved styles feature lace‑up backs, plunging necklines, and delicate sparkle that red carpets & TikTok Reels crave.

Shop now with AfterPay, ZipPay, and LayBuy, or visit our Gold Coast showroom for a fitting. Preview your fit with our Virtual Try‑On Tool before committing.

Explore other shapes:
Strapless Formal Dresses
Two Piece Formal Sets

✔️ Sizes 2–26
✔️ Fit‑and‑flare & corset styles
✔️ TikTok viral watches
✔️ AfterPay, ZipPay & express shipping

🔥 TikTok Viral Dresses from $99 in-store

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👗 Try-On in Our Gold Coast Showroom Petite, Standard & Curve Sizes

🚚 Express Delivery Available Australia-Wide

💃 School Formal Dresses Brisbane | TikTok Famous Gowns

🇦🇺 Proudly Australian Owned Since 2011

✨ Find The One With Help From Our Expert Stylists at One Honey

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IN STOCKDISCONTINUEDSALESave 9%Honey Couture SHARYN Gold Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE)Woman wearing Honey Couture SHARYN gold corset mermaid dress, elegant evening gown by Australian designer, prom dress style.
Honey Couture SHARYN Gold Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$519.95 AUD Regular price$569.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 9%Honey Couture SHARYN Bugundy Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE)Model wearing SHARYN Burgundy Silky Corset Bustier Strapless Mermaid Dress by Honey Couture, Australian Designer Prom Dress, Evening Gown
Honey Couture SHARYN Bugundy Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$519.95 AUD Regular price$569.95 AUD
Color
IN STOCKSALESave 11%Honey Couture ZENDAYA Lilac Purple Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)ZENDAYA Satin Corset Bustier with Leg Split School Formal Dress. Elegant silky satin gown with lace-up back. Brisbane to Gold Coast.
Honey Couture ZENDAYA Lilac Purple Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALESold outSave 11%Honey Couture ZENDAYA Burgundy Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)ZENDAYA satin corset bustier with leg split, school formal dress, elegantly styled amidst greenery, Brisbane to Gold Coast, Australia.
Honey Couture ZENDAYA Burgundy Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
FINAL SALEIN STOCKSave 11%Honey Couture ZENDAYA Off White Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)Honey Couture ZENDAYA Off White Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)
Honey Couture ZENDAYA Off White Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALESold outSave 11%Honey Couture ZENDAYA Red Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)Honey Couture ZENDAYA Red Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)
Honey Couture ZENDAYA Red Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALESave 11%Honey Couture ZENDAYA Smokey Blue Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)Honey Couture ZENDAYA Smokey Blue Satin Corset Bustier Formal Dress with leg split, Australian designer prom gown in silky fabric.
Honey Couture ZENDAYA Smokey Blue Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALESave 11%Honey Couture ZENDAYA Light Blue Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)Honey Couture ZENDAYA Light Blue Satin Corset Bustier with leg split, designed by Australian label, affordable prom dress.
Honey Couture ZENDAYA Light Blue Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
Color
IN STOCKSALEOn saleHoney Couture ZENDAYA Olive Green Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE)Honey Couture ZENDAYA olive green satin corset bustier dress with leg split, perfect evening gown for prom, Australian Designer style.
Honey Couture ZENDAYA Olive Green Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) Sale priceFrom $409.95 AUD Regular price$469.95 AUD
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USA SIZE 2 - 14Sold outThree women modeling colorful formal dresses: yellow, pink, and blue sequined evening gowns from Honey Couture.Model wearing Honey Couture MERLIAH Ocean Blue Sequin Beaded Mermaid Formal Dress, perfect for prom, Australian designer elegance.
Honey Couture MERLIAH Ocean Blue Sequin Beaded Mermaid Formal Dress Sale priceFrom $549.95 AUD
Color
USA SIZE 4 - 20Honey Couture MYRTLE Black Sequin Beaded Off The Shoulder Mermaid Formal DressHoney Couture MYRTLE Black Sequin Beaded Off The Shoulder Mermaid Formal Dress
Honey Couture MYRTLE Black Sequin Beaded Off The Shoulder Mermaid Formal Dress Sale priceFrom $459.95 AUD
Color
USA SIZE 4 - 16Sold outHoney Couture ZUMA Red Sequin Strapless Corset Bustier Mermaid Formal DressHoney Couture ZUMA Red Sequin Strapless Corset Bustier Mermaid Formal Dress
Honey Couture ZUMA Red Sequin Strapless Corset Bustier Mermaid Formal Dress Sale priceFrom $549.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 22Sherri-Hill-55230-Fuchsia-Silky-Strapless-Diamante-Detail-Mermaid-Formal-Dress-with-leg-split-on-runwaySherri-Hill-55230-Fuchsia-Silky-Strapless-Diamante-Mermaid-Prom-Dress-Australian-Stockist-Corseted-Formal-Wear
Sherri Hill 55230 Fuchsia Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress Sale priceFrom $1,195.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 22Royal Blue Sherri Hill 55230 strapless mermaid prom dress with diamante detail next to black sequin gown indoorsTwo women in black sequin and royal blue Sherri Hill prom gowns with leg slits, showcasing formal wear at an Australian stockist.
Sherri Hill 55230 Royal Blue Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress Sale priceFrom $1,195.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 12Sherri Hill 55230 Dark Emerald Strapless Mermaid Prom Dress - Silky Sequin Gown with Diamante Detail and Leg SplitSherri Hill 55230 dark emerald strapless mermaid gown with leg split, diamante detail, formal prom dress, Australian stockist
Sherri Hill 55230 Dark Emerald Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress Sale priceFrom $1,195.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 18Sherri-Hill-55230-Black-Strapless-Diamante-Prom-Dress-Mermaid-Silhouette-Designer-Formal-Wear-Australian-StockistTwo women in bright green and black formal gowns with leg splits, posing in a modern room with a sign reading 'One Honey'.
Sherri Hill 55230 Black Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress Sale priceFrom $1,195.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 14Sold outSherri-Hill-55124-Royal-Blue-Rhinestone-Mermaid-Prom-Dress-Corset-Australian-Stockist-School-Formal-GownSherri-Hill-55124-royal-blue-corset-back-mermaid-prom-dress-sequin-gown-Australian-stockist
Sherri Hill 55124 Royal Blue Rhinestone Embellished Jersey Corset Back Mermaid Formal Dress Sale priceFrom $869.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 22Sherri-Hill-55181-red-lace-off-shoulder-feather-detail-leg-split-prom-dress-Australian-stockist-corset-gownSherri-Hill-55181-red-lace-off-the-shoulder-feather-detail-leg-split-dress-prom-gown-designer-formal-wear
Sherri Hill 55181 Red Lace Off the Shoulder Feather Detail Leg Split Formal Dress Sale priceFrom $1,539.95 AUD
Color
USA SIZE 2 - 12Sold outThree women in formal evening gowns, including the Honey Couture MAXX Black Diamanté Jersey Cut Out Mermaid Dress and red dresses, inside a boutique.Honey Couture MAXX Black Diamanté Jersey Mermaid Dress on display at a boutique, featuring waist cut out and lace-up back. Prom Dresses by Australian Designer.
Honey Couture MAXX Black Diamanté Jersey Cut Out Mermaid Formal Dress Sale priceFrom $729.95 AUD
Color
USA SIZE 4 - 16Three women wearing red and black formal dresses from Honey Couture, showcasing asymmetrical and embellished designs in a bridal shop setting.Two models wearing Honey Couture CHICAGO red embellished mermaid dress and black cutout evening gown. Australian designer prom dresses.
Honey Couture CHICAGO Red Embellished Asymmetrical Satin Mermaid Formal Dress Sale priceFrom $729.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 30%Honey Couture VAMP Black Strapless Bustier Corset Satin Mermaid Formal DressHoney Couture VAMP Black Strapless Bustier Corset Satin Mermaid Formal Dress
Honey Couture VAMP Black Strapless Bustier Corset Satin Mermaid Formal Dress Sale priceFrom $413.66 AUD Regular price$590.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 18Sherri-Hill-55200-Light-Blue-Leaf-Lace-Corset-Mermaid-Prom-Dress-Australian-Stockist-Designer-Formal-WearSherri-Hill-55200-Light-Blue-Leaf-Lace-Mermaid-Corset-Prom-Dress-Backless-Designer-Formal-Gown-Australian-Stockist
Sherri Hill 55200 Light Blue Leaf Lace Embroidered Corset Mermaid Formal Dress Sale priceFrom $899.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 14Sherri-Hill-54838-Orchid-Sequin-Corset-Leg-Split-Prom-Dress-Designer-Australian-Stockist-Formal-GownSherri Hill 54838 Orchid Beaded Sequin Corset Leg Split Dress - Prom, School Formal Gown, Australian Stockist, Designer Wear
Sherri Hill 54838 Orchid Beaded Sequin Corset Leg Split Formal Dress Sale priceFrom $1,050.00 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 14Sherri-Hill-55124-black-rhinestone-embellished-mermaid-corset-back-prom-dress-designer-formal-wearSherri-Hill-55124-Black-Rhinestone-Corset-Back-Mermaid-Prom-Dress-One-Shoulder-Formal-Wear-Australian-Stockist
Sherri Hill 55124 Black Rhinestone Embellished Jersey Corset Back Mermaid Formal Dress Sale priceFrom $869.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 14Sherri Hill 55059 light blue sequin corset dress with leg split, alongside navy blue sequin gown, Australian stockist.Sherri Hill 55059 light-blue sequin lace corset leg-split prom dress next to navy sequin gown, school formal style.
Sherri Hill 55059 Light Blue Sequin Lace Embellishment Corset Leg Split Formal Dress Sale priceFrom $1,189.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 18Sherri Hill 55010 bright fuchsia mermaid prom dress with leg split and open back, Australian stockist, designer formal wearSherri Hill 55010 bright fuchsia open-back mermaid silhouette prom dress with leg split, Australian stockist
Sherri Hill 55010 Bright Fuchsia Silky Jersey Open Back Leg Split Mermaid Formal Dress Sale priceFrom $629.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 000 - 14Sherri-Hill-54838-Periwinkle-Beaded-Sequin-Corset-Leg-Split-Prom-Dress-Australian-Stockist-Designer-Formal-WearSherri-Hill-54838-Periwinkle-Beaded-Sequin-Corset-Leg-Split-Formal-Dress-Backless-Design-Prom-School-Gown
Sherri Hill 54838 Periwinkle Beaded Sequin Corset Leg Split Formal Dress Sale priceFrom $1,050.00 AUD
Color
USA SIZE XS - LSold outWoman in Honey Couture LILTH emerald sequin lace-up mermaid gown, designed by Australian designer, perfect for prom or formal occasions.Model wearing Honey Couture LILTH emerald green sequin mermaid gown, lace-up back, by Australian designer. Perfect for prom or evening.
Honey Couture LILTH Emerald Green Sequin Lace Up Back Mermaid Gown Dress Sale price$399.95 AUD
Color
USA SIZE XS - LSold outModel in Honey Couture COLLEN Navy Off Shoulder Mermaid Evening Dress, Australian Designer Prom Gown, Sequin Fabric, Floor LengthWoman wearing Honey Couture COLLEN navy off-the-shoulder sequin evening gown, featuring mermaid design. Perfect for formal occasions.
Honey Couture COLLEN Navy Off The Shoulder Mermaid Evening Dress Sale price$399.95 AUD
Color
USA SIZE XS - LSold outWoman wearing Honey Couture COLLEN Red Off The Shoulder Mermaid Evening Dress, a stylish Australian Designer prom dress.Model wearing Honey Couture COLLEN Red Off The Shoulder Evening Dress by Australian Designer, showcasing sequins and mermaid fit.
Honey Couture COLLEN Red Off The Shoulder Mermaid Evening Dress Sale price$399.95 AUD
Color
USA SIZE XS - XLSold outTwo women in glitter evening gowns, one in red JANESSA and one in gold, posing indoors. Perfect for prom or special occasions from Honey Couture.Woman in Honey Couture JANESSA Red Glitter V-Front Mermaid Formal Gown, an Australian Designer prom dress with thin straps and side slit.
Honey Couture JANESSA Red Glitter V-Front Mermaid Formal Gown Dress Sale price$495.95 AUD
Color
USA SIZE XS - XLSold outWoman wearing Honey Couture LARA Electric Blue Sequin Mermaid Formal Dress, perfect for prom or evening event. Australian Designer Prom Dresses.Woman wearing Honey Couture LARA Electric Blue Sequin Mermaid Dress from Australian Designer, perfect for prom or evening events.
Honey Couture LARA Electric Blue Sequin Thick Strap Mermaid Formal Dress Sale price$429.95 AUD
Color
AUS SIZE 6 - 16Sold outElegant woman in Honey Couture CARTIER black & emerald green sequin formal dress, ideal for prom or evening events, by Australian Designer.Woman wearing Honey Couture CARTIER black and emerald green sequin formal dress by Australian Designer. Perfect for prom or evening events.
Honey Couture CARTIER Black & Emerald Green Sequin Pattern Formal Dress Sale price$529.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PS23601 Hot Pink Diamanté Glitter Corset Mermaid Gown with Thigh Slit, Formal Dress. Brisbane to Gold Coast, Australia.
Portia & Scarlett PS23601 Hot Pink Diamanté Glitter Corset Bustier Mermaid Formal Gown Sale priceFrom $809.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS23601 Cobalt Diamanté Glitter Corset Mermaid Gown with Thigh-High Split, Brisbane to Gold Coast, Australia
Portia & Scarlett PS23601 Cobalt Diamanté Glitter Corset Bustier Mermaid Formal Gown Sale priceFrom $809.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PS23601 Red glitter corset formal gown with thigh-high slit, ideal for special occasions. Brisbane to Gold Coast, Australia.
Portia & Scarlett PS23601 Red Diamanté Glitter Corset Bustier Mermaid Formal Gown Sale priceFrom $809.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PS23601 Emerald Diamanté Glitter Corset Formal Gown with Thigh High Slit. Perfect for Special Occasion. Brisbane to Gold Coast.
Portia & Scarlett PS23601 Emerald Diamanté Glitter Corset Bustier Mermaid Formal Gown Sale priceFrom $809.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PS23601 Pink AB Diamanté Glitter Corset Mermaid Gown, Evening Dress with Thigh High Leg Split. Brisbane to Gold Coast, Australia.PS23601 Pink AB Diamanté glitter corset mermaid gown with thigh-high slit, evening dress. Brisbane to Gold Coast, Australia.
Portia & Scarlett PS23601 Pink AB Diamanté Glitter Corset Bustier Mermaid Formal Gown Sale priceFrom $809.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS23232 Cobalt glitter off-shoulder gown with feather details and leg split, formal dress Brisbane to Gold Coast.
Portia & Scarlett PS23232 Cobalt Glitter Off The Shoulder Feather Detail Mermaid Formal Gown Sale priceFrom $1,299.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS23232 Light Blue glitter off the shoulder mermaid formal gown with feather detail, Brisbane to Gold Coast.
Portia & Scarlett PS23232 Light Blue Glitter Off The Shoulder Feather Detail Mermaid Formal Gown Sale priceFrom $1,299.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS23232 pink glitter off-the-shoulder feather detail mermaid gown, evening dress. Brisbane to Gold Coast.
Portia & Scarlett PS23232 Pink Glitter Off The Shoulder Feather Detail Mermaid Formal Gown Sale priceFrom $1,299.95 AUD
Color
USA SIZE 4 - 18Sold outHoney Couture EMPRISS Opal Blush Sequin Mermaid Evening Gown DressHoney Couture EMPRISS Opal Blush Sequin Mermaid Evening Gown Dress
Honey Couture EMPRISS Opal Blush Sequin Mermaid Evening Gown Dress Sale priceFrom $569.95 AUD
Color
USA SIZE 4 - 16Honey Couture SASKIA Off White Mesh Insert Bridal Mermaid Formal DressHoney Couture SASKIA Off White Mesh Insert Bridal Mermaid Formal Dress
Honey Couture SASKIA Off White Mesh Insert Bridal Mermaid Formal Dress Sale priceFrom $849.95 AUD
Color
USA SIZE 4 - 16Honey Couture ZOA Mauve Off the Shoulder 3D Flower Glitter Mermaid Formal DressHoney Couture ZOA Mauve Off the Shoulder 3D Flower Glitter Mermaid Dress, Australian Designer, Affordable Prom and Evening Gowns
Honey Couture ZOA Mauve Off the Shoulder 3D Flower Glitter Mermaid Formal Dress Sale priceFrom $729.95 AUD
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USA SIZE XS - LSold outWoman wearing Honey Couture KASIA emerald sequin open back mermaid evening gown; Australian Designer, perfect for prom and special occasions.Model wearing Honey Couture KASIA Emerald Sequin Open Back Mermaid Evening Gown, perfect for proms or special occasions by Australian Designer.
Honey Couture KASIA Emerald Sequin Open Back Mermaid Evening Gown Dress Sale price$499.95 AUD
Color
USA SIZE XS - LSold outWomen wearing Honey Couture evening gowns in front of a mirror, featuring the MADDISON red strapless mermaid dress and a green sequin gown.Two women in Honey Couture evening gowns, one in a red strapless MADDISON mermaid dress and the other in a glittery green gown. Australian Designer.
Honey Couture MADDISON Red Strapless Mermaid Evening Dress Sale price$499.95 AUD
Color
USA SIZE XS - LSold outMADDISON Electric Blue Strapless Mermaid Evening Dress by Honey Couture, Australian Designer, Prom Dress, Affordable Evening Gown.Woman wearing Honey Couture MADDISON Electric Blue Strapless Mermaid Evening Dress, an affordable Australian designer prom gown.
Honey Couture MADDISON Electric Blue Strapless Mermaid Evening Dress Sale price$499.95 AUD
Color
USA SIZE 2 - 16Sold outHoney Couture RHIANNA red off-shoulder velour mermaid formal dress with beaded bust and leg split by Australian designer, perfect for prom.Honey Couture RHIANNA red off-shoulder beaded bust velour mermaid formal dress by Australian Designer, prom and evening gown.
Honey Couture RHIANNA Red Off the Shoulder Beaded Bust Velour Mermaid Formal Dress Sale priceFrom $629.95 AUD
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Mermaid Formal Dresses Australia

Need help with your order or planning ahead for formal season? Browse our Help Centre for answers about sizing, shipping, returns, and our Dress Registration policy.

📅 New to formal shopping? Read our How to Order Your Formal Dress guide for timelines, made-to-order info, and tips to avoid last-minute stress.

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Still unsure? Contact Us — our friendly team is here to help you shine ✨