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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
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🔥 TikTok Viral Dresses from $99 in-store

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💃 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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AUS SIZE 2 - 24TINA HOLLY COUTURE TW031 tea rose mermaid formal gown with beaded sequins and leg slit, school formal dress, Brisbane to Gold Coast
Tina Holly Couture TW031 Tea Rose Deep V Neckline With Beaded Sequins Mermaid Formal Gown Dress Sale priceFrom $679.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW031 Burgundy deep V neckline mermaid gown with beaded sequins. Formal dress with leg slit. Brisbane to Gold Coast.
Tina Holly Couture TW031 Burgundy Deep V Neckline With Beaded Sequins Mermaid Formal Gown Dress Sale priceFrom $679.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW031 Emerald gown with deep V neckline, 3D beaded sequins, and leg slit, formal dress Brisbane to Gold Coast.TINA HOLLY COUTURE TW031 Emerald green dress with 3D beaded sequins, deep V neckline, thigh-high slit formal gown. Brisbane to Gold Coast.
Tina Holly Couture TW031 Emerald Green Deep V Neckline With Beaded Sequins Mermaid Formal Gown Dress Sale priceFrom $679.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW031 Red Deep V Sequin Mermaid Formal Gown with Leg Slit, Brisbane to Gold Coast, AustraliaTINA HOLLY COUTURE TW031 red mermaid gown with beaded sequins and lace-up back, school formal dress, Brisbane to Gold Coast
Tina Holly Couture TW031 Red Deep V Neckline With Beaded Sequins Mermaid Formal Gown Dress Sale priceFrom $679.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW031 Navy gown with beaded sequins and deep V neckline. Mermaid formal dress. Brisbane to Gold Coast.TINA HOLLY COUTURE TW031 navy beaded sequin mermaid gown, lace-up back, prom dress, Brisbane to Gold Coast, Australia.
Tina Holly Couture TW031 Navy Deep V Neckline With Beaded Sequins Mermaid Formal Gown Dress Sale priceFrom $679.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE BA666 silver sequin mermaid formal dress with deep V neckline, Brisbane to Gold Coast, AustraliaTINA HOLLY COUTURE BA666 Silver Sequin Backless Mermaid Formal Dress, Brisbane to Gold Coast, Australia
Tina Holly Couture BA666 Silver Sequin Overlay With A Deep V Neckline Mermaid Formal Dress Sale priceFrom $779.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW049 navy beaded sequin mermaid formal gown with V front; perfect for bridesmaids or school formals; Brisbane to Gold CoastTINA HOLLY COUTURE TW049 navy beaded sequin mermaid gown, low back, perfect formal dress, Brisbane to Gold Coast, Australia
Tina Holly Couture Designer TW049 Navy Beaded Sequin Mermaid Formal Gown Sale priceFrom $695.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW029 Steel Rose shimmer mermaid formal dress with V back and train, model standing outdoors, Brisbane to Gold Coast.TINA HOLLY COUTURE TW029 V-back mermaid formal dress with shimmer fabric, perfect for unique events. Brisbane to Gold Coast, Australia.
Tina Holly Couture TW029 Steel Rose Shimmer Mermaid Formal Dress Sale priceFrom $619.95 AUD
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AUS SIZE 2 - 24TINA HOLLY COUTURE TW049 red beaded sequin mermaid gown, V front, school formal dress, Brisbane to Gold Coast, AustraliaTINA HOLLY COUTURE TW049 red beaded sequin mermaid gown, V front, low back, perfect for school formal or bridesmaid, Brisbane to Gold Coast
Tina Holly Couture Designer TW049 Red Beaded Sequin Mermaid Formal Gown Sale priceFrom $695.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW049 Burgundy beaded sequin mermaid formal gown with low back, perfect for school formal or bridesmaid, Brisbane to Gold Coast.TINA HOLLY COUTURE TW049 burgundy sequin mermaid formal gown, low back, mermaid train, Brisbane to Gold Coast, Australia
Tina Holly Couture Designer TW049 Burgundy Beaded Sequin Mermaid Formal Gown Sale priceFrom $695.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW049 Emerald sequin mermaid gown with V front and low back, perfect school formal dress, Brisbane to Gold Coast.TINA HOLLY COUTURE TW049 Emerald sequin mermaid gown with low back, perfect school formal dress. Brisbane to Gold Coast, Australia.
Tina Holly Couture Designer TW049 Emerald Beaded Sequin Mermaid Formal Gown Sale priceFrom $695.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW029 Smoke Shimmer Mermaid School Formal Dress, V Back, Thin Strap, Brisbane to Gold CoastTINA HOLLY COUTURE TW029 Smoke Shimmer V-Back Dress, Mermaid Formal Gown, Brisbane to Gold Coast, Australia
Tina Holly Couture TW029 Smoke Shimmer Mermaid Formal Dress Sale priceFrom $455.95 AUD
Color
AUS SIZE 6 - 16Woman wearing Honey Couture DITA Black Lace Up Corset Mermaid Formal Dress, Australian Designer, Prom Dresses, Evening GownModel wearing Honey Couture DITA black lace up corset mermaid formal dress, ideal for prom and evening events by Australian designer.
Honey Couture DITA Black Lace Up Corset Mermaid Formal Dress Sale price$459.95 AUD
Color
AUS SIZE 6 - 16Sold outWoman wearing Honey Couture DITA Copper Gold Lace Up Corset Mermaid Formal Dress, Australian Designer evening gown, in a well-lit room.Woman wearing Honey Couture DITA Copper Gold Lace Up Corset Mermaid Formal Dress in Australian boutique, perfect for prom or evening events.
Honey Couture DITA Copper Gold Lace Up Corset Mermaid Formal Dress Sale price$459.95 AUD
Color
USA SIZE XS - XLSold outBack view of model wearing Honey Couture VERA emerald green & black tie-up formal dress designed by Australian label. Prom and evening gown.Two women wearing elegant formal gowns, one in a black and blue peacock design and the other in a teal gown, in a fashion showroom.
Honey Couture VERA Emerald Green & Black Tie Up Formal Dress Sale price$299.95 AUD
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USA SIZE 4 - 16Sold outHoney Couture GLIMMER Black & Gold Sequin Glitter Formal DressHoney Couture GLIMMER Black & Gold Sequin Glitter Formal Dress
Honey Couture GLIMMER Black & Gold Sequin Glitter Formal Dress Sale priceFrom $729.95 AUD
Color
USA SIZE XS - XLSold outHoney Couture CIENNA White Silver & Black Lace Up Mermaid Formal DressHoney Couture CIENNA White Silver & Black Lace Up Mermaid Formal Dress
Honey Couture CIENNA White Silver & Black Lace Up Mermaid Formal Dress Sale price$549.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE BB022W sequin mermaid wedding dress with detachable overlay, V neckline, Brisbane to Gold Coast, AustraliaBridal gown with dramatic train and elegant V back, fitted mermaid silhouette. Tina Holly Couture BB022W wedding dress Brisbane to Gold Coast.
Tina Holly Couture BB022W White & White Sequin Mermaid Fitted With Detachable Overlay Wedding Dress Sale priceFrom $849.95 AUD
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AUS SIZE 2 - 24TINA HOLLY COUTURE BB050 sequin embroidered mermaid wedding dress with sweetheart neckline, mesh inset - Brisbane to Gold CoastTINA HOLLY COUTURE BB050 Mermaid Wedding Dress with Sequin Embroidery, Sweetheart Neckline, White Nude, Brisbane to Gold Coast
Tina Holly Couture BB050 White & Nude Sequin Embroidered Mermaid Fitted Wedding Dress Sale priceFrom $819.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TK007W off-shoulder mermaid wedding dress with satin finish, worn by a model, Brisbane to Gold Coast.TINA HOLLY COUTURE TK007W off-white satin off-the-shoulder mermaid wedding dress with crossover sweetheart neckline, Brisbane to Gold Coast
Tina Holly Couture TK007W Off White Satin Off-the-Shoulder Mermaid Fitted Wedding Dress Sale priceFrom $749.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE BB007 white mermaid wedding dress with lace long sleeves, off-the-shoulder neckline, Brisbane to Gold CoastTINA HOLLY COUTURE BB007 off-the-shoulder lace mermaid wedding dress with long sleeves, Brisbane to Gold Coast.
Tina Holly Couture BB007 White & White Mermaid Off The Shoulder With Lace Long Sleeves Wedding Dress Sale priceFrom $739.95 AUD
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AUS SIZE 2 - 24TINA HOLLY COUTURE BB021 elegant sequin mermaid wedding dress with long sleeves, V neckline; Brisbane to Gold Coast, AustraliaTINA HOLLY COUTURE BB021 elegant sequined mermaid wedding dress with V-neck and long sleeves, Brisbane to Gold Coast, Australia.
Tina Holly Couture BB021 White & Nude Long Sleeved Mermaid Fitted Sequin Wedding Dress Sale priceFrom $849.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE BB023 V-neck sequin wedding dress with lace overlay, mermaid fit, long sleeves, elegant train; Brisbane to Gold Coast, AustraliaTINA HOLLY COUTURE BB023 white nude sequin mermaid wedding dress with long sleeves, lace overlay, V neckline. Brisbane to Gold Coast
Tina Holly Couture BB023 White & Nude Iridescent Sequin Long Sleeved Mermaid Fitted Wedding Dress Sale priceFrom $849.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE BB025 wedding dress with sheer nude sleeves and mermaid silhouette, V-neckline. Brisbane to Gold Coast.TINA HOLLY COUTURE BB025 Fitted Mermaid Wedding Dress, elegant white pattern, low back design, Brisbane to Gold Coast, Australia
Tina Holly Couture BB025 White & Nude V-Neckline Fitted Mermaid With A Low Back Wedding Dress Sale priceFrom $849.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE BB011 white floral lace mermaid dress with V neckline and mesh inset, bridal gown Brisbane to Gold CoastTINA HOLLY COUTURE BB011 White Floral Lace Mermaid Dress with Deep V Back, Bridal Gown, Brisbane to Gold Coast, Australia
Tina Holly Couture BB011 White Floral Lace Mermaid Dress Sale priceFrom $699.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TK016 White Satin Mermaid Wedding Dress with Sweetheart Neckline, Off the Shoulder Brisbane to Gold CoastTINA HOLLY COUTURE TK016 white satin mermaid wedding dress, off-shoulder, sweetheart neckline, Brisbane to Gold Coast Australia
Tina Holly Couture TK016 White Off The Shoulder Sweetheart Neckline Satin Mermaid Fitted Wedding Dress Sale priceFrom $645.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW024W white off the shoulder mermaid wedding dress with lace overlay, Brisbane to Gold Coast, Australia.TINA HOLLY COUTURE TW024W white lace mermaid wedding dress off-shoulder design, Brisbane to Gold Coast, Australia
Tina Holly Couture TW024W White Off The Shoulder & Fitted Mermaid Wedding Dress Sale priceFrom $739.95 AUD
Color
USA SIZE XS - 3XLHoney Couture MIREN Emerald Green Lace Applique Mermaid Formal DressHoney Couture MIREN Emerald Green Lace Applique Mermaid Formal Dress
Honey Couture MIREN Emerald Green Lace Applique Mermaid Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 2 - 16Sold outHoney Couture MUSE Silver Glitter Sequin Feather Formal DressHoney Couture MUSE Silver Glitter Sequin Feather Formal Dress
Honey Couture MUSE Silver Glitter Sequin Feather Formal Dress Sale price$829.95 AUD
Color
USA SIZE 4 - 16Sold outTwo models in Honey Couture SOPHIE Navy Blue Satin Beaded Bustier Formal Dresses, featuring mermaid train and leg split, by an Australian Designer.Model wearing Honey Couture SOPHIE Navy Blue Beaded Bustier Formal Dress, an Australian Designer evening gown with mermaid train and side sash.
Honey Couture SOPHIE Navy Blue Satin Beaded Bustier Formal Dress Sale price$629.95 AUD
Color
USA SIZE 4 - 16Sold outHoney Couture QUINN Off White Satin Lace Up Formal Dress with leg split and mermaid train, perfect for prom or evening events by Australian Designer.Honey Couture QUINN baby blue satin lace-up formal dress with mermaid train, perfect for prom or evening events by Australian designer.
Honey Couture QUINN Off White Satin Lace Up Formal Dress Sale price$569.95 AUD
Color
USA SIZE S - LSold outHoney Couture MARI Green Shimmer Lace Back Formal Dress - Australian Designer Prom Evening GownHoney Couture MARI Green Shimmer Lace Formal Dress with Mermaid Train and Leg Split, designed by Australian Designer, ideal for proms.
Honey Couture MARI Green Shimmer Lace Back Bum Ruching Formal Dress Sale price$499.95 AUD
Color
USA SIZE XS - LSold outTwo women wearing evening gowns; one in a pink sequin dress, the other in the Honey Couture KEIRA-LEE Black Ruched Lace Up Back Formal Dress.Woman wearing Honey Couture KEIRA-LEE black ruched lace up back formal dress with leg split, designed by Australian designer, for proms or evenings.
Honey Couture KEIRA-LEE Black Ruched Lace Up Back Formal Dress Sale price$429.95 AUD
Color
USA SIZE XS - 3XLModel wearing Honey Couture MIREN Navy Blue Lace Applique Mermaid Formal Dress, an Australian Designer prom gown with a dramatic train.Honey Couture MIREN navy blue mermaid gown with lace applique, from Australian designer. Perfect for prom and evening events.
Honey Couture MIREN Navy Blue Lace Applique Mermaid Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE XS - 3XLSold outElegant woman in Honey Couture SOLANGE Neon Yellow Corset Ruched Formal Gown, Australian Designer Evening Prom Dress.Neon Yellow Honey Couture SOLANGE Corset Ruched Gown, Back View, Australian Designer Evening Dress, Affordable Prom Wear
Honey Couture SOLANGE Neon Yellow Corset Ruched Formal Gown Dress Sale price$629.95 AUD
Color
USA SIZE XS - 3XLHoney Couture MIREN Red Lace Applique Mermaid Formal Dress, Australian Designer, Prom Dress, Evening Gown, Affordable, Limited EditionWoman in red Honey Couture MIREN Lace Applique Mermaid Dress posing against a wall, showcasing the back and train. Australian Designer prom gown.
Honey Couture MIREN Red Lace Applique Mermaid Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 4 - 24Honey Couture TYRA Off White Corset Bustier Leg Split Formal DressHoney Couture TYRA Off White Corset Bustier Leg Split Formal Dress
Honey Couture TYRA Off White Corset Bustier Leg Split Formal Dress Sale priceFrom $579.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 9%Honey Couture SHARYN Emerald Green Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE)Honey Couture SHARYN Emerald Green Silky Corset Bustier Mermaid Prom Dress from Australian Designer, Evening Gown with Leg Split
Honey Couture SHARYN Emerald Green Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$519.95 AUD Regular price$569.95 AUD
Color
USA SIZE 2 - 18Honey Couture ZENDAYA Off White Satin Corset Bustier Leg Split Formal DressHoney Couture ZENDAYA Off White Satin Corset Bustier Leg Split Formal Dress
Honey Couture ZENDAYA Off White Satin Corset Bustier Leg Split Formal Dress Sale priceFrom $459.95 AUD
Color
USA SIZE XS - LSold outTwo women in sequin dresses, one in pink and the other in Honey Couture SHAYE Navy Blue, suitable for prom or special occasions.Honey Couture SHAYE Navy Blue Sequin Dress, perfect for prom, formal, or special occasions. From Australian Designer, affordable luxury.
Honey Couture SHAYE Navy Blue Sequin Dress Sale price$469.95 AUD
Color
USA SIZE XS - XLHoney Couture BLAIR Electric Blue Sequin Off Shoulder Formal Gala Dress by Australian Designer, perfect for proms and evening events.Model wearing Honey Couture BLAIR Electric Blue Sequin Off Shoulder Formal Gala Dress, Australian Designer, Prom Dresses, Evening Gowns.
Honey Couture BLAIR Electric Blue Sequin Off Shoulder Formal Gala Dress Sale price$399.95 AUD
Color
USA SIZE XS - LModels showcasing Honey Couture evening gowns and velvet blazer in a formal setting, highlighting Australian Designer elegance and style.
Honey Couture ROBBIE Black Glitter Low Back Mermaid Evening Gown Dress Sale price$449.95 AUD
Color
USA SIZE XS - LThree women in elegant formal dresses, including the Honey Couture SARENA Electric Blue silky one shoulder gown with a leg split for special occasions.SARENA Electric Blue Silky One Shoulder Dress by Honey Couture, Australian Designer, Prom Dresses, Evening Gowns, Affordable Fashion
Honey Couture SARENA Electric Blue Silky One Shoulder Formal Dress Sale price$499.95 AUD
Color
Sold outTwo models wearing Honey Couture evening gowns; one in gold with a leg split, the other in a black JACQUELINE one-shoulder dress.Honey Couture JACQUELINE Black One Shoulder Leg Split Formal Dress, Australian Designer Prom Dress, Affordable Evening Gown
Honey Couture JACQUELINE Black One Shoulder Leg Split Formal Dress Sale price$399.95 AUD
Color
USA SIZE XS - LAlt Tag: Honey Couture LIAA Burgundy Silky One Shoulder Asymmetrical Formal Dress, Australian Designer, Prom Dress, Evening GownHoney Couture LIAA Burgundy Silky One Shoulder Asymmetrical Formal Dress, Australian Designer Prom Dress with Side Train and Leg Split
Honey Couture LIAA Burgundy Silky One Shoulder Asymmetrical Formal Dress Sale price$499.95 AUD
Color
USA SIZE XS - LModel in Honey Couture LIAA Electric Blue Silky One Shoulder Asymmetrical Formal Dress with leg split, perfect for prom or evening events.Two women in formal one-shoulder gowns, one in electric blue and the other in black, both with leg splits, posing indoors.
Honey Couture LIAA Electric Blue Silky One Shoulder Asymmetrical Formal Dress Sale price$499.95 AUD
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USA SIZE XS - LModel wearing Honey Couture ANGELIQUE black sequin lace up open back formal dress, from Australian Designer, perfect for prom and evening events.Two women in elegant Honey Couture evening gowns, one in a black sequin dress and the other in a green satin dress, posing indoors.
Honey Couture ANGELIQUE Black Sequin Lace Up Open Back Formal Dress Sale price$439.95 AUD
Color
USA SIZE XS - LSold outHoney Couture ANGELIQUE Red Sequin Lace Up Evening Gown, Australian Designer, Prom Dress, Affordable FashionHoney Couture ANGELIQUE Red Sequin Lace Up Open Back Evening Gown by Australian Designer, perfect for prom or formal events.
Honey Couture ANGELIQUE Red Sequin Lace Up Open Back Formal Dress Sale price$439.95 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.

💸 Shop Sale Gowns from $99

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