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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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✔️ 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

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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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IN STOCKDISCONTINUEDSALESave 30%SHONTAE Sequin Corset Glitter Mermaid Formal Gown Dress with glitter floral bodice and lace-up back, evening gown. Brisbane to Gold Coast.Woman in sequin lilac gown with lace detailing on a balcony at night. Formal evening dress for events in Brisbane to Gold Coast.
SHONTAE Sequin Corset Glitter Mermaid Formal Gown Dress Sale priceFrom $594.95 AUD Regular price$849.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%VALENTINA Off White Sequin Corset Mermaid Formal Gown DressVALENTINA Off White Sequin Corset Mermaid Formal Gown Dress
VALENTINA Off White Sequin Corset Mermaid Formal Gown Dress Sale priceFrom $601.95 AUD Regular price$859.95 AUD
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IN STOCKDISCONTINUEDSALESave 10%PORTIA & SCARLETT FUFU GOWN featuring black feathered shoulders and illusion mesh panel, formal gown for special occasions, Brisbane to Gold Coast.PORTIA & SCARLETT FUFU GOWN with ostrich feather shoulders, illusion glitter mesh panel, evening gown, Brisbane to Gold Coast, Australia.
Portia & Scarlett Designer FUFU Black Feather Mesh Couture Beaded Formal Gown Sale priceFrom $1,286.95 AUD Regular price$1,429.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLECAROLE Glitter Corset School Formal Dress with Blue Sequin Accents, perfect for gala events, Brisbane to Gold Coast, Australia.CAROLE Glitter Corset Mermaid School Formal Dress with sequin lace, perfect for prom or gala. Brisbane to Gold Coast, Australia.
CAROLE Sequin Glitter Corset Mermaid School Formal Gala Dinner Dress Sale priceFrom $729.95 AUD
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USA SIZE 4 - 14VISIT OUR GOLD COAST STORE TO TRY ONMILLIE Sequin Corset Mermaid Formal Gown with floral sequin motif and lace-up corset back, evening dress Brisbane to Gold Coast.MILLIE Sequin Corset Mermaid Gown with plunging neckline and thigh slit, evening dress, Brisbane to Gold Coast, Australia.
MILLIE Sequin Corset Mermaid Formal Gown Dress Sale price$699.95 AUD
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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 STOCKDISCONTINUEDSALESave 20%MARIAH Diamanté Butterfly Cut Out Mermaid Formal DressMARIAH Diamanté Butterfly Cut Out Mermaid Formal Dress
MARIAH Diamanté Butterfly Cut Out Mermaid Formal Dress Sale priceFrom $439.95 AUD Regular price$549.95 AUD
Color
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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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
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USA SIZE 2 - 16KIANA Strapless Sequin Bustier Corset Silky Mermaid Prom Dress with slit, Brisbane to Gold Coast.KIANA Strapless Sequin Bustier Corset Dress with silky mermaid skirt and side slit, perfect for prom, Brisbane to Gold Coast, Australia.
KIANA Strapless Sequin Bustier Corset Silky Mermaid Prom Formal Dress Sale priceFrom $659.95 AUD
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USA SIZE XS - 2XLDISCONTINUED FINAL SIZES AVAILABLEAERIS Beaded Sequin Bustier Corset Mermaid Prom Dress with high slit, floral appliques, and V-neckline. Brisbane to Gold Coast.AERIS Beaded Sequin Bustier Corset Mermaid Prom Formal Dress, featuring a floral applique V-neck corset design with high slit. Brisbane to Gold Coast.
AERIS Beaded Sequin Bustier Corset Mermaid Prom Formal Dress Sale priceFrom $849.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - XLSHEENA Strapless Bustier Tulle Layered Tulle Mermaid Prom & Formal DressSHEENA Strapless Bustier Tulle Layered Tulle Mermaid Prom & Formal Dress
SHEENA Strapless Bustier Tulle Layered Tulle Mermaid Prom & Formal Dress Sale price$995.95 AUD
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USA SIZE 2 - 14Sold outADLEY Glitter Sheer Train Mermaid Prom Dress with thin straps, elegant blue lace detail. Perfect for events from Brisbane to Gold Coast.ADLEY Fitted Glitter Sheer Train Mermaid prom gown with a stunning pink sequin design. Available from Brisbane to Gold Coast.
ADLEY Fitted Glitter Sheer Train Mermaid Prom & Formal Dress Sale price$469.95 AUD
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USA SIZE 2 - 12Honey Couture TALLULAH Silver Nude Glitter Mermaid Gown, Australian Designer, Perfect for Prom & Evening, Affordable Formal DressTwo women wearing formal evening gowns. One in the TALLULAH Silver Nude Glitter Mermaid Gown by Honey Couture and another in a blue lace gown.
Honey Couture TALLULAH Silver Nude Glitter Mermaid Formal Gown Dress Sale priceFrom $699.95 AUD
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IN STOCKDISCONTINUEDSALESave 40%Woman wearing Honey Couture MAYA Red Glitter Mermaid Formal Gown, Australian Designer Evening Gown, perfect for prom or special occasions.Honey Couture MAYA red glitter mermaid formal gown, Australian designer, perfect for prom or evening, affordable elegance
Honey Couture MAYA Red Glitter Mermaid Formal Gown Dress Sale priceFrom $455.95 AUD Regular price$759.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PS21208 magenta strapless sequin mermaid gown with iridescent finish, elegant for formal or special occasions. Brisbane to Gold Coast.PORTIA & SCARLETT PS21208 Magenta Strapless Sequin Mermaid Evening Gown, elegant and shimmering with iridescent sequins, Brisbane to Gold Coast.
Portia & Scarlett PS21208 Magenta Strapless Sequin Mermaid Formal Gown Sale priceFrom $629.95 AUD
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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 PS21208 Mermaid Gown, Burnt Orange Iridescent Sequin, Strapless. Formal Dress Perfect for Occasions Brisbane to Gold Coast Australia.PORTIA & SCARLETT PS21208 Burnt orange strapless sequin mermaid gown. Perfect for formal occasions. Brisbane to Gold Coast, Australia.
Portia & Scarlett PS21208 Burnt Orange Strapless Sequin Mermaid Formal Gown Sale priceFrom $629.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PS21208 Blush strapless sequin mermaid formal gown with iridescent detailing, perfect for special occasions, Brisbane to Gold Coast.PS21208 Blush sequin mermaid gown with strapless sweetheart neckline. Perfect for formal occasions. Brisbane to Gold Coast.
Portia & Scarlett PS21208 Blush Strapless Sequin Mermaid Formal Gown Sale priceFrom $629.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT FUFU GOWN in red with beaded mesh and feathered shoulders, formal gown, Brisbane to Gold Coast, Australia.PORTIA & SCARLETT FUFU GOWN with beaded bodice and ostrich feather shoulder, formal dress Brisbane to Gold Coast Australia.
Portia & Scarlett FUFU Red Feather Mesh Couture Beaded Formal Gown Sale priceFrom $1,399.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT FUFU GOWN hot pink beaded formal gown with ostrich feather shoulders, illusion mesh, evening dress, Brisbane to Gold CoastPORTIA AND SCARLETT FUFU GOWN in hot pink with feather shoulder details and mesh sides, perfect evening gown. Brisbane to Gold Coast.
Portia & Scarlett FUFU Hot Pink Feather Mesh Couture Beaded Formal Gown Sale priceFrom $1,399.95 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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USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEWoman wearing the Honey Couture CRISTELLA Off White Crystal Mermaid Formal Gown from Australian Designer, perfect for prom or evening events.Woman wearing Honey Couture CRISTELLA Off White Crystal Feature Mermaid Formal Gown, an Australian Designer prom dress with leg split.
Honey Couture CRISTELLA Off White Crystal Feature Mermaid Formal Gown Sale priceFrom $569.95 AUD
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FINAL SALEIN STOCKSold outHoney Couture MARIBELLA Red Shimmer Lace Back Bum Ruching Formal Dress (RED TAG FINAL SALE)Honey Couture MARIBELLA Red Shimmer Lace Back Bum Ruching Formal Dress (RED TAG FINAL SALE)
Honey Couture MARIBELLA Red Shimmer Lace Back Bum Ruching Formal Dress (RED TAG FINAL SALE) Sale price$729.95 AUD
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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
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
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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
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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
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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 2 - 16VISIT OUR GOLD COAST STORE TO TRY ONHoney Couture CAROLE Lavender Sequin Corset Mermaid Formal Gown, Australian Designer Evening Dress, Perfect for Proms and Special Occasions.Woman wearing Honey Couture CAROLE Lavender Sequin Corset Mermaid Gown, a stylish evening gown by Australian Designer for formal events.
Honey Couture CAROLE Lavender Sequin Corset Mermaid Formal Gown Dress Sale priceFrom $729.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 18PS22531 pink glitter sequin mermaid dress with thigh-high slit, perfect for formal events, Brisbane to Gold Coast, Australia.PS22531 Pink Glitter Mermaid Bustier Formal Gown with thigh high slit, perfect for special occasions. Order in Brisbane to Gold Coast.
Portia & Scarlett PS22531 Pink Glitter Sequin Mermaid Bustier Formal Gown Sale priceFrom $1,299.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 18PS22531 Black Glitter Sequin Mermaid Bustier Formal Gown with Thigh High Split, perfect for formal occasions. Brisbane to Gold Coast.
Portia & Scarlett PS22531 Black Glitter Sequin Mermaid Bustier Formal Gown Sale priceFrom $1,299.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 18PS22531 Red Glitter Sequin Mermaid Bustier evening gown with thigh-high slit, photographed in a dimly lit room. Brisbane to Gold Coast
Portia & Scarlett PS22531 Red Glitter Sequin Mermaid Bustier Formal Gown Sale priceFrom $1,299.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 18PORTIA & SCARLETT PS22531 dazzling cobalt sequin mermaid gown with a thigh-high slit, perfect for formal occasions. Brisbane to Gold Coast.
Portia & Scarlett PS22531 Cobalt Glitter Sequin Mermaid Bustier Formal Gown Sale priceFrom $1,299.95 AUD
Color
USA SIZE S - LSold outHoney Couture ANJALI Baby Blue Crystal Feature Mermaid Formal GownHoney Couture ANJALI Baby Blue Crystal Feature Mermaid Formal Gown
Honey Couture ANJALI Baby Blue Crystal Feature Mermaid Formal Gown Sale price$549.95 AUD
Color
USA SIZE S - LSold outTwo models in Honey Couture dresses; one in teal with a leg split, the other in MARI Red Shimmer with lace-up back. Prom and evening gowns.Two women in formal gowns; one wearing a Honey Couture MARI red shimmer lace back dress, the other in a teal gown; perfect for prom or evening events.
Honey Couture MARI Red Shimmer Lace Back Bum Ruching Formal Dress Sale price$499.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS21228 gold sequin lace formal gown with high leg slit and feathered train, Brisbane to Gold Coast, Australia.PORTIA & SCARLETT PS21228 gold sequin lace gown with feathered train and high leg slit, evening gowns in gold, pink, blue; Brisbane to Gold Coast.
Portia & Scarlett PS21228 Gold Sequin Lace Fitted Formal Gown Sale priceFrom $1,049.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS22036 sequin corset mermaid gown, perfect for formal occasions, Brisbane to Gold Coast.PS22036 Cinderella Pink corset sequin mermaid gown, ideal evening dress. Available from Brisbane to Gold Coast, Australia.
Portia & Scarlett PS22036 Cinderella Pink Corset Top Sequin Mermaid Formal Gown Sale priceFrom $1,039.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PS22036 Cinderella Blue sequin mermaid gown with corset top, perfect for formal occasions. Available from Brisbane to Gold Coast, Australia.PS22036 Cinderella Blue sequined mermaid gown with corset top, perfect for formal events. Brisbane to Gold Coast, Australia.
Portia & Scarlett PS22036 Cinderella Blue Corset Top Sequin Mermaid Formal Gown Sale priceFrom $1,039.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS21228 cobalt sequin lace formal gown with feathered train and high leg slit, evening gown, Brisbane to Gold CoastPORTIA & SCARLETT PS21228 Cobalt Sequin Lace Gown with feathered train and high leg slit, ideal for formal events. Brisbane to Gold Coast.
Portia & Scarlett PS21228 Cobalt Sequin Lace Fitted Formal Gown Sale priceFrom $1,049.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS21228 Silver sequin gown with feathered train and high leg slit, perfect formal evening wear. Brisbane to Gold Coast.PS21228 Silver Sequin Lace Gown with Feathered Train and High Leg Split, Evening Wear, Brisbane to Gold Coast
Portia & Scarlett PS21228 Silver Sequin Lace Fitted Formal Gown Sale priceFrom $1,049.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS21228 Black sequin lace fitted gown with feathered train and high leg split, evening gown. Brisbane to Gold Coast.PS21228 Black sequin lace fitted evening gown with feathered train and high leg slit, perfect for formal events. Brisbane to Gold Coast.
Portia & Scarlett PS21228 Black Sequin Lace Fitted Formal Gown Sale priceFrom $1,049.95 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

🏬 Visit our Gold Coast Showroom

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