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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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USA SIZE XS - 3XLAUGUSTINA Lace Applique Pointed Corset Back Mermaid Prom DressAUGUSTINA Lace Applique Pointed Corset Back Mermaid Prom Dress
AUGUSTINA Lace Applique Pointed Corset Back Mermaid Prom Dress Sale price$589.95 AUD
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USA SIZE XS - 3XLEMRA Silky Mesh Wrap Feature Corset Back Mermaid Formal DressEMRA Silky Mesh Wrap Feature Corset Back Mermaid Formal Dress
EMRA Silky Mesh Wrap Feature Corset Back Mermaid Formal Dress Sale price$429.95 AUD
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USA SIZE XS - 3XLSHANIEKA Applique Lace Corset Strapless Silky Mermaid Formal DressSHANIEKA Applique Lace Corset Strapless Silky Mermaid Formal Dress
SHANIEKA Applique Lace Corset Strapless Silky Mermaid Formal Dress Sale price$479.95 AUD
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USA SIZE XS - 3XLELYSIAN Strapless Applique Lace Up Corset Trumpet Mermaid Formal DressELYSIAN Strapless Applique Lace Up Corset Trumpet Mermaid Formal Dress
ELYSIAN Strapless Applique Lace Up Corset Trumpet Mermaid Formal Dress Sale price$469.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18LESHA strapless applique corset mermaid formal dress with lace detailing, perfect evening gown. Brisbane to Gold Coast, Australia.LESHA strapless navy appliqué corset mermaid formal dress, evening gown, Brisbane to Gold Coast, Australia
LESHA Strapless Applique Corset Bustier Mermaid Formal Dress Sale priceFrom $729.95 AUD
Color
USA SIZE 4 - 16POLINA Strapless Satin Embellished Bustier Mermaid Formal DressPOLINA Strapless Satin Embellished Bustier Mermaid Formal Dress
POLINA Strapless Satin Embellished Bustier Mermaid Formal Dress Sale price$599.95 AUD
Color
USA SIZE 2 - 14RISTA green stretch satin glitter gown with v-neckline and gathered bust, formal mermaid dress, Brisbane to Gold Coast.RISTA Stretch Shimmer Glitter Satin Mermaid Formal Dress featuring gathered bust cups, evening gown elegance. Brisbane to Gold Coast.
RISTA Stretch Shimmer Glitter Satin Mermaid Formal Dress Sale price$569.95 AUD
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IN STOCKDISCONTINUEDSALEOn saleAZURA sheer corset evening gown with satin skirt, featuring a thigh-high slit, perfect for formal events from Brisbane to Gold Coast.AZURA strapless sheer corset silky mermaid formal gown with lace embellishment, evening dress. Brisbane to Gold Coast.
AZURA Strapless Sheer Corset Silky Mermaid Formal Gown Dress Sale priceFrom $461.95 AUD Regular price$659.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - LDISCONTINUED FINAL SIZES AVAILABLESKY Glitter Bum Scrunch low back evening gown with shimmering satin fabric, perfect for Brisbane to Gold Coast.SKY Glitter Bum Scrunch Low Back Mermaid Formal Dress with stretch satin and glitter finish, evening gown. Brisbane to Gold Coast.
SKY Glitter Bum Scrunch Low Back Mermaid Formal Dress Sale price$429.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 4 - 14Woman in a red satin evening gown with a thigh-high slit, posing outdoors. Fashionable attire for formal events.Elegant woman in a vibrant pink satin evening gown with wrap bodice and thigh-high slit, standing on a cobblestone street.
JANET Crystal Diamante Corset Bustier Mermaid Prom & Formal Dress Sale price$769.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 00 - 16SHANNON satin slit prom gown with embroidered applique and one-shoulder design, perfect for Brisbane to Gold Coast events.Back view of a champagne satin formal gown with lace-up detailing worn by a smiling woman. Elegant setting with a rustic wooden door.
SHANNON One Shoulder Applique Bustier Corset Prom & Formal Dress Sale priceFrom $749.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 16GABRIELLA Sweetheart Neckline Tulle Ball Gown with beaded corset, school formal dress. Brisbane to Gold Coast, Australia.GABRIELLA Sweetheart Neckline Tulle Ball Gown with Sparkly Beaded Bodice, Prom Dress, Brisbane to Gold Coast, Australia
GABRIELLA Sweetheart Neckline Tulle Ball Gown School Formal & Prom Dress Sale priceFrom $1,150.00 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 14BRIDGETTE Strapless Satin Appliqué Mermaid Formal Dress with lace bodice and satin slit, evening gown. Brisbane to Gold Coast.BRIDGETTE strapless satin mermaid dress with lace appliqué and V neckline, perfect for evening wear. Brisbane to Gold Coast.
BRIDGETTE Strapless Satin Appliqué Mermaid Formal Dress Sale priceFrom $799.95 AUD
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USA SIZE 0 - 16HELANI green lace leg split mermaid prom gown with illusion bodice. Perfect for school formals, Brisbane to Gold Coast.HELANI Mermaid Prom Dress with lace bodice and leg split, perfect for formal events. Elegantly styled from Brisbane to Gold Coast, Australia.
HELANI Embroidery & Glitter Leg Split Mermaid Prom Formal Dress Sale priceFrom $859.95 AUD
Color
USA SIZE 0 - 14NESSA Beaded Bustier Strapless Mermaid Dress with floral embellishments, perfect for prom or formal. Brisbane to Gold Coast.NESSA beaded bustier strapless mermaid dress with floral applique, perfect for prom and school formal. Brisbane to Gold Coast
NESSA Beaded Bustier Strapless Mermaid Prom & School Formal Dress Sale priceFrom $749.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16Satin formal dress with sparkling corset and thigh-high slit, perfect for evening events. Brisbane to Gold Coast.STERLING Embellished Corset Satin Mermaid Formal Dress with lace bodice and satin skirt, evening gown Brisbane to Gold Coast.
STERLING Embellished Corset Satin Mermaid Formal Dress Sale priceFrom $799.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEODESSA Embellished Glitter Satin Mermaid Formal Dress with beaded lace bodice and thigh-high slit, Brisbane to Gold Coast, Australia.ODESSA Embellished Glitter Satin Mermaid Formal Dress with beaded lace corset and side slit. Perfect evening gown from Brisbane to Gold Coast.
ODESSA Embellished Glitter Satin Mermaid Formal Dress Sale priceFrom $729.95 AUD
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USA SIZE 2 - 22VISIT OUR GOLD COAST STORE TO TRY ONSIREN Curve Silky Lace Bustier Corset Mermaid Formal Prom Dress in Color: Dusty Blue | One Honey AustraliaSIREN Curve Silky Lace Bustier Corset Mermaid Formal Prom Dress in Color: Black | One Honey Australia
SIREN Silky Lace Bustier Corset Mermaid Formal Prom Dress Sale priceFrom $799.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 2 - 16Sold outELLIANA Trumpet Mermaid Feather Feature Prom & Formal Evening DressELLIANA Trumpet Mermaid Feather Feature Prom & Formal Evening Dress
ELLIANA Trumpet Mermaid Feather Feature Prom & Formal Evening Dress Sale priceFrom $959.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 2 - 16Sold outPRETORIA Beaded Couture Feather Mermaid Prom & Formal DressPRETORIA Beaded Couture Feather Mermaid Prom & Formal Dress
PRETORIA Beaded Couture Feather Mermaid Prom & Formal Dress Sale price$1,109.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 2 - 16Sold outKATANA Strapless Embellished Applique Tulle Mermaid Leg Slit Prom & Formal DressKATANA Strapless Embellished Applique Tulle Mermaid Leg Slit Prom & Formal Dress
KATANA Strapless Embellished Applique Tulle Mermaid Leg Slit Prom & Formal Dress Sale price$989.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - XLMILLICENT Corset Deep V Front Sequin & Glitter Leg Split Mermaid Prom DressMILLICENT Corset Deep V Front Sequin & Glitter Leg Split Mermaid Prom Dress
MILLICENT Corset Deep V Front Sequin & Glitter Leg Split Mermaid Prom Dress Sale priceFrom $979.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 16KAROLINA Aqua Blue Tulle Ball Gown with tiered ruffles and lace-up back, perfect for prom and school formal. Brisbane to Gold Coast.KAROLINA Aqua Blue tulle frilly corset back ball gown with tiered ruffles, plunging neckline. Prom dress, Brisbane to Gold Coast.
KAROLINA Aqua Blue Tulle Frilly Corset Back Ball Gown School Formal & Prom Dress Sale priceFrom $1,250.00 AUD
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USA SIZE 2 - 16Two women wearing elegant blue evening gowns from Honey Couture, showcasing Australian designer prom dresses with sequin details.Two women in elegant blue evening gowns from Honey Couture, featuring a strapless sequin design and tiered lace details, by Australian designer.
Honey Couture CASEY Royal Sequin Strapless Corset Bustier Mermaid Formal Dress Sale priceFrom $629.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 2 - 18DISCONTINUED FINAL SIZES AVAILABLEHoney Couture OLGA Royal Blue Satin Strapless Gown with Diamanté Detail, Australian Designer Evening Gown, Prom Dress, Affordable FashionHoney Couture OLGA royal blue satin strapless mermaid gown, Australian designer prom dress with diamanté detail, affordable elegance.
Honey Couture OLGA Royal Blue Satin Diamanté Detail Strapless Mermaid Formal Dress Sale priceFrom $529.95 AUD
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USA SIZE 2 - 16VISIT OUR GOLD COAST STORE TO TRY ONTwo women wearing Honey Couture DASHA Royal Blue Sequin Corset Mermaid Formal Dresses with leg split, designed for prom and evening events.Two models in Honey Couture DASHA Royal Blue Sequin Corset Mermaid Formal Dresses, showcasing Australian designer prom evening gowns.
Honey Couture DASHA Royal Blue Sequin Corset Mermaid Formal Dress Sale priceFrom $659.95 AUD
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USA SIZE 2 - 14Honey Couture POSY Sky Blue Lace Sequin Mermaid Dress, Australian Designer Evening Gown, Affordable Prom DressHoney Couture POSY Sky Blue Lace Sequin Mermaid Evening Gown by Australian Designer, perfect affordable prom dress.
Honey Couture POSY Sky Blue Lace Sequin Applique Mermaid Formal Dress Sale priceFrom $769.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 2XS - 2XLMC Chic ELAYNA Pale Blue Satin Corset Bustier Leg Split Formal DressMC Chic ELAYNA Pale Blue Satin Corset Bustier Leg Split Formal Dress
MC Chic ELAYNA Pale Blue Satin Corset Bustier Leg Split Formal Dress Sale price$399.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PS21208 Ocean Blue Strapless Sequin Mermaid Formal Gown with iridescent sequins. Evening gown Brisbane to Gold Coast.PS21208 strapless ocean blue sequin mermaid gown with iridescent shine, elegant formal dress. Brisbane to Gold Coast, Australia.
Portia & Scarlett PS21208 Ocean Blue Strapless Sequin Mermaid Formal Gown Sale priceFrom $629.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS21208 navy strapless sequin mermaid gown with iridescent sequins by a pool. Perfect for formal occasions. Brisbane to Gold Coast.
Portia & Scarlett PS21208 Navy Strapless Sequin Mermaid Formal Gown Sale priceFrom $629.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS21208 strapless turquoise sequin mermaid gown, perfect for formal occasions, Brisbane to Gold Coast, Australia.
Portia & Scarlett PS21208 Bright Turquoise Strapless Sequin Mermaid Formal Gown Sale priceFrom $629.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT FUFU GOWN cobalt beaded formal gown with feather shoulder detail, perfect for special occasions, Brisbane to Gold Coast.
Portia & Scarlett FUFU Cobalt Feather Mesh Couture Beaded Formal Gown Sale priceFrom $1,399.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT FUFU GOWN featuring iridescent beads and ostrich feather shoulders. Formal evening gown from Brisbane to Gold Coast.PORTIA & SCARLETT FUFU GOWN Blue Feather Mesh Couture, evening gown with illusion side panel, elegant for Brisbane to Gold Coast Australia.
Portia & Scarlett FUFU Blue Feather Mesh Couture Beaded Formal Gown Sale priceFrom $1,399.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%Honey Couture MILA Blue Lace Sequin Fishtail Mermaid Formal DressHoney Couture MILA Blue Lace Sequin Fishtail Mermaid Formal Dress
Honey Couture MILA Blue Lace Sequin Fishtail Mermaid Formal Dress Sale priceFrom $538.95 AUD Regular price$769.95 AUD
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AUS SIZE 6 - 18Back view of Honey Couture CLAUDIA Navy Sequin Mermaid Gown, designed by Australian Designer for prom or evening. Affordable elegance.Models in evening gowns: one in a purple off-shoulder dress with gloves, another in a navy sequin mermaid gown, showcasing modern prom styles.
Honey Couture CLAUDIA Navy Sequin Mermaid Formal Gown Sale price$569.95 AUD
Color
ONLINE EXCLUSIVEEURO SIZE S - XLMINNA Fashion VIVRE Blue mermaid dress with sequins and crystals, off-shoulder style, evening gown. Brisbane to Gold Coast.Alt Tag: MINNA Fashion VIVRE Blue Sequin Mermaid Dress with off-the-shoulder design and sweetheart neckline. Evening gown, Brisbane to Gold Coast.
MINNA Fashion VIVRE Blue Sequin and Crystal Off the Shoulder Mermaid Formal Dress Sale price$4,029.95 AUD
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ONLINE EXCLUSIVEEURO SIZE S - XLElegant formal gown with a draped bodice and lace detailing on a mannequin in a boutique setting, highlighting its luxurious design.MINNA Fashion POWDER dress with rhinestone bust and sweetheart neckline, mermaid gown for formal events. Brisbane to Gold Coast, Australia.
MINNA Fashion POWDER Light Blue Silky Sweetheart Neckline Rhinestone Detail Mermaid Formal Dress Sale price$929.95 AUD
Color
ONLINE EXCLUSIVEEURO SIZE XS - XLMINNA Fashion ELODIE elegant blue crystal beaded off-shoulder mermaid gown with deep V neckline, high leg split. Brisbane to Gold CoastMINNA Fashion ELODIE Blue Crystal Beaded Mermaid Formal Dress with deep V neckline and high leg split. Brisbane to Gold Coast.
MINNA Fashion ELODIE Blue Crystal and Beaded Off the Shoulder Mermaid Formal Dress Sale price$2,929.95 AUD
Color
ONLINE EXCLUSIVEEURO SIZE S - XLMINNA Fashion MARISOL blue dress with rhinestone detail and plunge neckline, mermaid style. Perfect for formal events. Brisbane to Gold Coast.MINNA Fashion MARISOL Plunge Neckline Rhinestone Detail Mermaid Dress, evening gown elegance, Brisbane to Gold Coast
MINNA Fashion MARISOL Blue Silky Plunge Neckline Rhinestone Detail Mermaid Formal Dress Sale price$949.95 AUD
Color
ONLINE EXCLUSIVEEURO SIZE XS - XLMINNA Fashion HADES Baby Blue Sequin Beaded Strapless Mermaid Dress with train, transparent waist detail, Brisbane to Gold CoastMINNA Fashion HADES Baby Blue beaded strapless mermaid formal dress with transparent waist. Brisbane to Gold Coast, Australia.
MINNA Fashion HADES Baby Blue Sequin Beaded Strapless Mermaid Formal Dress Sale price$1,649.95 AUD
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ONLINE EXCLUSIVEEURO SIZE S - XLMINNA Fashion ELIANA blue dress with sheer corset boning and pearl detail, perfect for formal events. Brisbane to Gold Coast, Australia.MINNA Fashion ELIANA blue satin off the shoulder mermaid dress with sheer corset and pearl details, evening gown, Brisbane to Gold Coast.
MINNA Fashion ELIANA Blue Satin Off the Shoulder Long Sleeve Mermaid Formal Dress Sale price$1,529.95 AUD
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ONLINE EXCLUSIVEEURO SIZE S - LMINNA Fashion VITTORIA Blue Silky Deep V Dress with corset back, mermaid silhouette. Perfect evening gown. Brisbane to Gold Coast.MINNA Fashion VITTORIA Blue silky deep V mermaid evening gown with corset back, Brisbane to Gold Coast, Australia.
MINNA Fashion VITTORIA Blue Silky Deep V Corset Back Mermaid Formal Dress Sale price$1,219.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%Honey Couture MILEE Baby Blue Mermaid Gown with Leg Split, Australian Designer Prom Dress, Evening Gown, Affordable FashionHoney Couture MILEE baby blue evening gown with leg split, featuring silky fabric and mermaid train, designed by Australian designer.
Honey Couture MILEE Baby Blue Low Back Mermaid Evening Gown Dress w Leg Split (RED TAG FINAL SALE) Sale price$314.95 AUD Regular price$449.95 AUD
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IN STOCKDISCONTINUEDSALESave 15%Honey Couture EVELYN Blue Silky Slip Dress, Australian Designer Prom Gown, Affordable Evening FashionHoney Couture EVELYN Blue Silky Slip Formal Dress, back view, evening gown by Australian Designer, perfect for proms, affordable fashion.
Honey Couture EVELYN Blue Silky Slip Formal Dress (RED TAG FINAL SALE) Sale price$295.95 AUD Regular price$349.95 AUD
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IN STOCKDISCONTINUEDSALESave 11%Honey Couture IMOGEN Baby Blue Mermaid Evening Gown, Australian Designer, Perfect for Formal Events, Prom Dresses, Affordable Style.Honey Couture IMOGEN baby blue mermaid formal dress with low back, perfect for prom and evening events. Affordable Australian designer gown.
Honey Couture IMOGEN Baby Blue Low Back Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$399.95 AUD Regular price$449.95 AUD
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IN STOCKDISCONTINUEDSALESave 11%Woman wearing Honey Couture JUSTICE blue open back mermaid evening gown in boutique, showcasing knot front and train. Australian designer prom dress.Honey Couture JUSTICE blue mermaid evening gown with open back, perfect for prom or special occasions, Australian designer.
Honey Couture JUSTICE Blue Open Back Mermaid Evening Gown Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
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IN STOCKDISCONTINUEDSALESave 11%Honey Couture STEVIE Navy Blue Satin Corset Back Mermaid Dress, Australian Designer Prom and Evening GownAlt Tag: Honey Couture STEVIE Navy Blue Stretch Satin Corset Back Mermaid Dress for Prom or Evening, Australian Designer, Affordable
Honey Couture STEVIE Navy Blue Stretch Satin Corset Back Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$409.95 AUD Regular price$459.95 AUD
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IN STOCKDISCONTINUEDSALESave 9%Honey Couture SHARYN Ocean Blue Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE)Model wearing Honey Couture SHARYN Ocean Blue Silky Corset Bustier Mermaid Formal Dress, Australian Designer Prom Evening Gown.
Honey Couture SHARYN Ocean Blue Silky Corset Bustier Strapless Mermaid Formal Dress (RED TAG FINAL SALE) Sale price$519.95 AUD Regular price$569.95 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 ✨