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Mermaid Formal Dresses Australia – Prom & Evening Gowns

Shop mermaid formal dresses in Australia — discover designer mermaid dresses, fitted prom gowns and elegant evening dresses at One Honey Boutique.

Explore figure-defining mermaid gowns for school formals, prom, graduations, balls, black-tie events and unforgettable special occasions from leading Australian and international designers.

From sleek satin and structured corset gowns to sparkling sequins, crystal embellishments and dramatic fishtail skirts, discover a mermaid formal dress designed to make an entrance.

Explore Mermaid Formal Dresses

Searching for mermaid formal dresses in Australia? One Honey Boutique curates designer mermaid dresses, mermaid gowns, prom dresses and fitted evening gowns from leading Australian and international designers.

A mermaid dress is known for its fitted silhouette through the bodice and body before flaring toward the lower skirt, creating a dramatic shape for formal occasions. Depending on the individual design, similar silhouettes may also be described as fishtail or trumpet dresses.

Whether you're choosing a gown for a Year 10 formal, Year 11 formal, Year 12 formal, prom, graduation, university ball, gala, black-tie event, wedding or milestone celebration, explore mermaid gowns across an extensive range of colours, fabrics and statement finishes.

Discover mermaid prom dresses and formal gowns featuring satin, sequins, glitter, crystals, beading, lace, tulle and luxe embellishments, alongside sleek minimalist dresses and dramatic statement designs.

Love a structured bodice? Explore our corset formal dresses for sculpted corsetry and statement gowns, including fitted styles that pair corset bodices with dramatic mermaid silhouettes.

Prefer a softer flowing silhouette? Discover our A-line formal dresses for fitted bodices with skirts that flow outward, creating a beautiful alternative to a close-fitting mermaid gown.

Looking for a sleek luxe finish? Browse our satin formal dresses, or explore sequin formal dresses for sparkling statement gowns.

Choosing your mermaid dress by neckline? Explore our off the shoulder formal dresses, halter neck formal dresses and long sleeve formal dresses for more ways to find your perfect silhouette.

Choosing your colour? Explore dedicated collections including black formal dresses, red formal dresses, blue formal dresses, pink formal dresses and green formal dresses.

Shopping for your school formal or prom? One Honey is home to Australia's largest Dress Register, helping participating customers reduce the chance of another registered One Honey customer from the same school selecting the same dress for their event.

Shopping online? Selected One Honey styles offer Virtual Try-On, helping you visualise eligible mermaid formal dresses and available colours as part of your online shopping experience before choosing your gown.

Need extended sizing? Explore our plus size formal dresses Australia collection for curve formal gowns and selected designer styles across extended size ranges.

Want to explore beyond mermaid silhouettes? Browse our complete formal dresses Australia collection for fitted, A-line, corset, ball gown and other designer formal styles.

Complete your mermaid formal look with our clutch bags, formal jewellery and formal accessories.

Proudly Australian owned and trusted since 2011 with over 1,000+ 5-star reviews, One Honey Boutique is a trusted destination for designer prom, school formal and occasion gowns across Australia.

Shop mermaid formal dresses online with Australia-wide delivery and flexible payment options including Afterpay and Zip available at checkout.

Need help choosing your size, checking availability or ordering for a fixed event date? Visit our Help Centre for sizing, delivery and shopping support before ordering.

Want to shop in person? Visit the One Honey Gold Coast showroom to explore selected designer formal dresses available to try on.

Shop mermaid formal dresses in Australia at One Honey Boutique — discover designer mermaid prom dresses, fitted formal gowns and statement eveningwear for your unforgettable occasion.

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AUS SIZE 2 - 24Tina Holly Couture Designer TK305 Emerald Green Silky Long Sleeved Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK099 Navy Sequin Sweet - Heart Neckline Off Shoulder Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK099 Emerald Green Sequin Sweet - Heart Neckline Off Shoulder Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW025 Plum Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW025 Royal Blue Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK099 Wine Sequin Sweet - Heart Neckline Off Shoulder Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK099 Charcoal Sequin Sweet - Heart Neckline Off Shoulder Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK099 Royal Blue Sequin Sweet - Heart Neckline Off Shoulder Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK099 Black & Gold Sequin Sweet - Heart Neckline Off Shoulder Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW049 Navy Beaded Sequin Mermaid Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW029 Steel Rose Shimmer Mermaid Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture Designer TW049 Red Beaded Sequin Mermaid Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW049 Burgundy Beaded Sequin Mermaid Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW049 Emerald Beaded Sequin Mermaid Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW029 Smoke Shimmer Mermaid Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 6 - 16Save 30%Honey Couture DITA Black Lace Up Corset Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture DITA Black Lace Up Corset Mermaid Formal Dress Sale priceFrom $321.96 AUD Regular price$459.95 AUD
Color
AUS SIZE 2 - 24Tina Holly Couture TK333 Ruby Red With Asymmetrical Neckline And A Side Slit Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK333 Mauve Pink With Asymmetrical Neckline And A Side Slit Formal Dress in Australia | One Honey Boutique
USA SIZE 4 - 24Honey Couture TYRA Off White Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Color
USA SIZE 2 - 18Honey Couture ZENDAYA Off White Satin Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
USA SIZE XS - LDISCONTINUEDROBBIE Black Glitter Low Back Mermaid Evening Gown Dress in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture SARENA Electric Blue Silky One Shoulder Formal Dress in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture JAEDA Silky Bustier Strapless Mermaid Formal Dress in Australia | One Honey Boutique
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVILABLEUSA SIZE S - XLSave 78%Honey Couture GENENE Rose Gold Thin Strap Sequin Formal Dress in Australia | One Honey Boutique
Honey Couture GENENE Rose Gold Thin Strap Sequin Formal Dress Sale priceFrom $99.00 AUD Regular price$459.95 AUD
Color
USA SIZE 2 - 16On saleHoney Couture ORBIT Metallic Silver Glitter Beaded Bustier Formal Dress in Australia | One Honey Boutique
Honey Couture ORBIT Metallic Silver Glitter Beaded Bustier Formal Dress Sale priceFrom $489.96 AUD Regular price$699.95 AUD
Color
AUS SIZE 2 - 24Tina Holly Couture Designer TW025 Turquoise Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Lilac Purple Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Plum Purple Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Red Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Turquoise Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Royal Blue Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW025 Ruby Red Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture NAOMI Black Sequin Pointy Strapless Mermaid Evening Dress in Australia | One Honey Boutique
USA SIZE 2 - 8Honey Couture RIO Black Halter Cut Out Beaded Formal Gown in Australia | One Honey Boutique
USA SIZE XS - MSold outSave 0%Honey Couture CLEO Black & Gold Beaded Formal Gown in Australia | One Honey Boutique
Honey Couture CLEO Black & Gold Beaded Formal Gown Sale priceFrom $299.95 AUD Regular price$599.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 20%Honey Couture CLEO White & Gold Beaded Formal Gown in Australia | One Honey Boutique
Honey Couture CLEO White & Gold Beaded Formal Gown Sale price$479.95 AUD Regular price$599.95 AUD
Color
USA SIZE 2 - 16Honey Couture FELICITY Pink & Black Iridescent Formal Gown in Australia | One Honey Boutique
Color
USA SIZE XS - 2XLHoney Couture RHEA Mulberry Purple Metallic Shimmer Formal Dress in Australia | One Honey Boutique
Color
USA SIZE S - LDISCONTINUEDHoney Couture ALLIE Navy Blue Silky Halter Neck Formal Dress in Australia | One Honey Boutique
USA SIZE S - LDISCONTINUEDHoney Couture SADIE Metallic Ruched Formal Dress in Australia | One Honey Boutique
Color
USA SIZE XS - LHoney Couture KAIA Burgundy Sequin Bum Ruching Low Back Dress in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture SAMARA Knot Feature Low Back Silky Mermaid Formal Gown in Australia | One Honey Boutique
Color
USA SIZE XS - LHoney Couture AZALIA Gold Silky Bustier Strapless Mermaid Formal Dress in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture SIBYLLE Burgundy Silky Mermaid Formal Dress in Australia | One Honey Boutique
Color
USA SIZE XS - LHoney Couture SIBYLLE Emerald Green Silky Mermaid Formal Dress in Australia | One Honey Boutique
USA SIZE XS - LDISCONTINUEDVICTORIA Red Sequin Beaded Low Back Formal Dress in Australia | One Honey Boutique
Color
USA SIZE XS - LDISCONTINUEDHoney Couture RIKKI Green Open Lace Up Back Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW049 Black & Nude Beaded Sequin Mermaid Formal Gown in Australia | One Honey Boutique

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Frequently Asked Questions

Mermaid Formal Dresses Australia

NEED HELP CHOOSING YOUR DRESS?

Need help with sizing, delivery, ordering or planning for your event? Visit our Help Centre to shop with confidence — explore sizing & fit advice, ordering guides, Dress Registration, Virtual Try-On, customer resources & more.