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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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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUEDUSA SIZE 2 - 18PIA Black Lace Bustier Stretch Satin Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 24Save 30%RIVER Curve Paris Blue Off Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
RIVER Curve Paris Blue Off Shoulder Mermaid Formal Dress Sale priceFrom $510.96 AUD Regular price$729.95 AUD
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IN STOCKDISCONTINUEDSold outSave 0%MADAM Strapless Satin Beaded Detail Corset Bustier Formal Dress in Australia | One Honey Boutique
MADAM Strapless Satin Beaded Detail Corset Bustier Formal Dress Sale priceFrom $527.96 AUD Regular price$659.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - LSALEDISCONTINUEDSave 67%RIMA Halter Neck Cross Over Mermaid Formal Dress in Australia | One Honey Boutique
RIMA Halter Neck Cross Over Mermaid Formal Dress Sale price$99.00 AUD Regular price$299.95 AUD
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IN STOCKDISCONTINUEDPETRA Glitter V Front Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDOn saleMONROE Sequin Waist Cut Out Mermaid Formal Dress in Australia | One Honey Boutique
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IN STOCKMELODY Sequin Mesh Waist Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSave 20%JULIANA Lace Up Back Diamante Crystal Mermaid Formal Dress in Australia | One Honey Boutique
JULIANA Lace Up Back Diamante Crystal Mermaid Formal Dress Sale priceFrom $663.96 AUD Regular price$829.95 AUD
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IN STOCKDISCONTINUEDELANA Diamante Bustier Lace Up Mermaid Formal Dress in Australia | One Honey Boutique
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ONLINE EXCLSUIVEUSA SIZE 4 - 18GOSSIP Rose Gold Corset Glitter Feather Off Shoulder Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 16DISCONTINUEDDRAMAH Royal Blue Glitter Sequin Feather Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
USA SIZE 6 - 16VISIT OUR GOLD COAST STORE TO TRY ONCORA Mirror Applique Sheer Mesh Mermaid Formal Gown Dress in Australia | One Honey Boutique
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DISCONTINUEDSALESave 20%CECILA Silky Diamante Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
CECILA Silky Diamante Bustier Mermaid Prom & Formal Dress Sale priceFrom $463.95 AUD Regular price$579.95 AUD
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USA SIZE 2 - 24Save 30%ROMY Silky Off Shoulder Mermaid Prom Formal Dress in Australia | One Honey Boutique
ROMY Silky Off Shoulder Mermaid Prom Formal Dress Sale priceFrom $384.96 AUD Regular price$549.95 AUD
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USA SIZE 4 - 18IRINA Neck Sash Tie Chiffon Bridal & Wedding Debutante Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16RIA Silky Mirror Tiles Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 16DISCONTINUEDJEAN Lace & Glitter Fishtail Trumpet Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 00 - 16DISCONTINUED FINAL SIZES AVAILABLEIZABELA Beaded Corset Satin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18KAŠA Embellished Pearl & Crystal Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 20VISIT OUR GOLD COAST STORE TO TRY ONALLANA Satin Fitted Sash Feature Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT IN OUR GOLD COAST SHOWROOMUSA 2-14On saleGIGI Corset Sparkle Bustier Strapless Mermaid Formal Gown Dress in Australia | One Honey Boutique
GIGI Corset Sparkle Bustier Strapless Mermaid Formal Gown Dress Sale priceFrom $499.95 AUD Regular price$629.95 AUD
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USA SIZE 4 - 16LARISA Off Shoulder Glitter Shimmer Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 0 - 18NAJASTA Fitted Satin & Lace Appliqué Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALESave 30%Honey Couture SIENA Sheer Sequin w Split Evening Gown Dress in Australia | One Honey Boutique
Honey Couture SIENA Sheer Sequin w Split Evening Gown Dress Sale priceFrom $314.95 AUD Regular price$449.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%Honey Couture MAI Diamante Feature Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture MAI Diamante Feature Mermaid Formal Dress Sale priceFrom $419.95 AUD Regular price$599.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%Honey Couture ZAYNE Hot Fix Diamanté Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture ZAYNE Hot Fix Diamanté Leg Split Mermaid Formal Dress Sale priceFrom $419.95 AUD Regular price$599.95 AUD
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USA SIZE 4 - 16DISCONTINUEDSave 10%Honey Couture ARMANI Sequin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
Honey Couture ARMANI Sequin Mermaid Prom & Formal Dress Sale priceFrom $656.96 AUD Regular price$729.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 16KENNEDY Off Shoulder Bustier Corset Back Prom & Formal Dress in Australia | One Honey Boutique
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VISIT IN OUR GOLD COAST SHOWROOMUSA SIZE 4 - 20LEILANI Off Shoulder Silky Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 4 - 16KYRA Strapless Corset Back Bum Scrunch Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 00 - 16JASMINE Strapless Corset Back Bum Scrunch Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18NORAH Satin Asymmetrical Strapless Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - LKIA Low Back V Front Sequin Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 16LADA Off Shoulder Lace Beaded Bridal Wedding Dress in Australia | One Honey Boutique
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USA SIZE 4 - 14SVETLA Strapless Floral Applique Fit & Flare Bridal Wedding Dress in Australia | One Honey Boutique
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USA SIZE 2 - 14DISCONTNUED FINAL SIZES AVAILABLEKOJA Royal Blue Rhinestone Mesh Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
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USA SIZE 4 - 16DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGHARLEY Bustier Velour Corset Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 14MONA Satin Diamanté Bra Detail Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLELARRISA Glitter 3D Flower Applique Off the Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
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DISCONTINUEDUSA 4-16Save 30%JAMILLA Satin Beaded Detail Corset Bustier Formal Dress in Australia | One Honey Boutique
JAMILLA Satin Beaded Detail Corset Bustier Formal Dress Sale priceFrom $482.95 AUD Regular price$689.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEFENTY Neon Green Satin Beaded Detail Corset Bustier Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALESave 30%FALLON Red Satin Diamanté Detail Corset Bustier Mermaid Formal Dress in Australia | One Honey Boutique
FALLON Red Satin Diamanté Detail Corset Bustier Mermaid Formal Dress Sale priceFrom $440.95 AUD Regular price$629.95 AUD
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 3XLCALLIE Lace Bustier Corset Style Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALEOn saleBLAKE Royal Sequin Strapless Corset Bustier Mermaid Formal Dress in Australia | One Honey Boutique
BLAKE Royal Sequin Strapless Corset Bustier Mermaid Formal Dress Sale priceFrom $440.95 AUD Regular price$629.95 AUD
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USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEASHLYN Satin Beaded Detail Cut Out Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 8DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGASHLEY Gold Sequin w Lace Low Back Mermaid Formal Dress in Australia | One Honey Boutique
USA SIZE XS - 2XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGOn saleADRIA Shimmer Strapless Formal Gown Dress in Australia | One Honey Boutique
ADRIA Shimmer Strapless Formal Gown Dress Sale priceFrom $99.00 AUD Regular price$629.95 AUD
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USA SIZE 2 - 12DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGALEYANDRA Champagne Silver Beaded Sequin Lace Up Formal Dress 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.