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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
✔️ TikTok viral watches
✔️ AfterPay, ZipPay & express shipping

🔥 TikTok Viral Dresses

🇦🇺 Proudly Australian Owned Since 2011

🏆 978+ 5-Star Google Reviews

💎 Registered Dress Guarantee With Every Purchase

🚚 Fast Express Delivery Available Australia-Wide

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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE S - LNEW ARRIVALSave 78%Honey Couture JUSTICE Open Back Mermaid Prom Dress in Australia | One Honey BoutiqueHoney Couture JUSTICE Open Back Mermaid Prom Dress in Australia | One Honey Boutique
Honey Couture JUSTICE Open Back Mermaid Prom Dress Sale priceFrom $99.00 AUD Regular price$459.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - XLDISCONTINUEDSave 75%Honey Couture BLAIR Sequin Off - Shoulder Prom & Formal Dress in Australia | One Honey BoutiqueHoney Couture BLAIR Sequin Off - Shoulder Prom & Formal Dress in Australia | One Honey Boutique
Honey Couture BLAIR Sequin Off-Shoulder Prom & Formal Dress Sale priceFrom $99.00 AUD Regular price$399.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEUSA SIZE S - LSave 78%Honey Couture IMOGEN Low Back Mermaid Prom Formal Dress in Australia | One Honey BoutiqueHoney Couture IMOGEN Low Back Mermaid Prom Formal Dress in Australia | One Honey Boutique
Honey Couture IMOGEN Low Back Mermaid Prom Formal Dress Sale priceFrom $99.00 AUD Regular price$449.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEAUS SIZE 6 - 16Save 78%Honey Couture STEVIE Satin Corset Back Mermaid Formal Dress in Australia | One Honey BoutiqueHoney Couture STEVIE Satin Corset Back Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture STEVIE Satin Corset Back Mermaid Formal Dress Sale priceFrom $99.00 AUD Regular price$459.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEUSA SIZE XS - 3XLSave 83%Honey Couture MIREN Lace Applique Mermaid Formal Prom Dress in Australia | One Honey BoutiqueHoney Couture MIREN Lace Applique Mermaid Formal Prom Dress in Australia | One Honey Boutique
Honey Couture MIREN Lace Applique Mermaid Formal Prom Dress Sale priceFrom $99.00 AUD Regular price$599.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18ZENDAYA Satin Corset Bustier Leg Split School Formal Bridesmaid Dresses in Australia | One Honey BoutiqueZENDAYA Satin Corset Bustier Leg Split School Formal Bridesmaid Dresses in Australia | One Honey Boutique
ZENDAYA Satin Corset Bustier Leg Split School Formal Bridesmaid Dresses Sale priceFrom $459.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONCURVE SIZEUSA SIZE 16 - 22SIREN Curve Silky Lace Bustier Corset Mermaid Formal Prom Dress in Australia | One Honey BoutiqueSIREN Curve Silky Lace Bustier Corset Mermaid Formal Prom Dress in Australia | One Honey Boutique
SIREN Curve Silky Lace Bustier Corset Mermaid Formal Prom Dress Sale price$899.95 AUD
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AUS SIZE 2 - 24Tina Holly Couture TK016 Off The Shoulder Satin Mermaid Fitted Prom Dress in Australia | One Honey BoutiqueTina Holly Couture TK016 Off The Shoulder Satin Mermaid Fitted Prom Dress in Australia | One Honey Boutique
Tina Holly Couture TK016 Off The Shoulder Satin Mermaid Fitted Prom Dress Sale priceFrom $645.95 AUD
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Tina Holly Couture TK209 Long Sleeve Mermaid Formal Dress in Australia | One Honey BoutiqueTina Holly Couture TK209 Long Sleeve Mermaid Formal Dress in Australia | One Honey Boutique
Tina Holly Couture TK209 Long Sleeve Mermaid Formal Dress Sale priceFrom $749.95 AUD
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Tina Holly Couture TE215 Lace Applique Mermaid Formal Dress in Australia | One Honey BoutiqueTina Holly Couture TE215 Lace Applique Mermaid Formal Dress in Australia | One Honey Boutique
Tina Holly Couture TE215 Lace Applique Mermaid Formal Dress Sale priceFrom $669.95 AUD
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Tina Holly Couture TE650 Silky Strapless Bustier Mermaid Formal Dress in Australia | One Honey BoutiqueTina Holly Couture TE650 Silky Strapless Bustier Mermaid Formal Dress in Australia | One Honey Boutique
Tina Holly Couture TE650 Silky Strapless Bustier Mermaid Formal Dress Sale priceFrom $539.95 AUD
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AUS SIZE 4 - 14AUSTRALIAN DESIGNERAmy Taylor TALIEKA Slinky Strapless Bum Ruching Mermaid Formal Dress in Australia | One Honey BoutiqueAmy Taylor TALIEKA Slinky Strapless Bum Ruching Mermaid Formal Dress in Australia | One Honey Boutique
Amy Taylor TALIEKA Slinky Strapless Bum Ruching Mermaid Formal Dress Sale price$539.95 AUD
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AUS SIZE 4 - 14AUSTRALIAN DESIGNERAmy Taylor KORISSA Slinky Corset Lace Up Back Mermaid Formal Dress in Australia | One Honey BoutiqueAmy Taylor KORISSA Slinky Corset Lace Up Back Mermaid Formal Dress in Australia | One Honey Boutique
Amy Taylor KORISSA Slinky Corset Lace Up Back Mermaid Formal Dress Sale price$649.95 AUD
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USA SIZE 2 - 20TWYLA Strapless Silky Mermaid Formal Dress with Gloves in Australia | One Honey BoutiqueTWYLA Strapless Silky Mermaid Formal Dress with Gloves in Australia | One Honey Boutique
TWYLA Strapless Silky Mermaid Formal Dress with Gloves Sale priceFrom $569.95 AUD
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USA SIZE 2 - 24Save 30%RIVER Curve Paris Blue Off Shoulder Mermaid Formal Dress in Australia | One Honey BoutiqueRIVER 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 outOn saleMADAM Strapless Satin Beaded Detail Corset Bustier Formal Dress in Australia | One Honey BoutiqueMADAM 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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IN STOCKDISCONTINUEDPETRA Glitter V Front Corset Mermaid Formal Gown Dress in Australia | One Honey BoutiquePETRA Glitter V Front Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
PETRA Glitter V Front Corset Mermaid Formal Gown Dress Sale priceFrom $729.95 AUD
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IN STOCKDISCONTINUEDMONROE Sequin Waist Cut Out Mermaid Formal Dress in Australia | One Honey BoutiqueMONROE Sequin Waist Cut Out Mermaid Formal Dress in Australia | One Honey Boutique
MONROE Sequin Waist Cut Out Mermaid Formal Dress Sale price$459.95 AUD
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ONLINE EXCLUSIVEUSA SIZE 2 - 16DRAMAH Royal Blue Glitter Sequin Feather Corset Mermaid Formal Gown Dress in Australia | One Honey BoutiqueDRAMAH Royal Blue Glitter Sequin Feather Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
DRAMAH Royal Blue Glitter Sequin Feather Corset Mermaid Formal Gown Dress Sale price$859.95 AUD
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USA SIZE 0 - 16RIA Silky Mirror Tiles Corset Satin Mermaid Formal Dress in Australia | One Honey BoutiqueRIA Silky Mirror Tiles Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
RIA Silky Mirror Tiles Corset Satin Mermaid Formal Dress Sale priceFrom $549.95 AUD
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USA SIZE 2 - 16JEAN Lace & Glitter Fishtail Trumpet Formal Dress in Australia | One Honey BoutiqueJEAN Lace & Glitter Fishtail Trumpet Formal Dress in Australia | One Honey Boutique
JEAN Lace & Glitter Fishtail Trumpet Formal Dress Sale priceFrom $859.95 AUD
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SELECTED SIZES ON SALEFINAL RELEASE FOR 2025On saleGIGI Corset Sparkle Bustier Strapless Mermaid Formal Gown Dress in Australia | One Honey BoutiqueGIGI 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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IN STOCKDISCONTINUEDSALESave 30%Honey Couture MAI Diamante Feature Mermaid Formal Dress in Australia | One Honey BoutiqueHoney 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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USA SIZE 2 - 14DISCONTNUED FINAL SIZES AVAILABLEKOJA Royal Blue Rhinestone Mesh Corset Mermaid Formal Gown Dress in Australia | One Honey BoutiqueKOJA Royal Blue Rhinestone Mesh Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
KOJA Royal Blue Rhinestone Mesh Corset Mermaid Formal Gown Dress Sale priceFrom $799.95 AUD
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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 BoutiqueLARRISA Glitter 3D Flower Applique Off the Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
LARRISA Glitter 3D Flower Applique Off the Shoulder Mermaid Formal Dress Sale priceFrom $799.95 AUD
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USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLEINGRID Off the Shoulder Velour Mermaid Formal Dress in Australia | One Honey BoutiqueINGRID Off the Shoulder Velour Mermaid Formal Dress in Australia | One Honey Boutique
INGRID Off the Shoulder Velour Mermaid Formal Dress Sale priceFrom $569.95 AUD
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IN STOCKDISCONTINUEDSALEOn saleBLAKE Royal Sequin Strapless Corset Bustier Mermaid Formal Dress in Australia | One Honey BoutiqueBLAKE 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 XS - LDISCONTINUED FINAL SIZES AVAIALBLESold outHoney Couture Kylie Low Back Bum Ruched Mermaid Evening Gown Dress in Australia | One Honey BoutiqueHoney Couture Kylie Low Back Bum Ruched Mermaid Evening Gown Dress in Australia | One Honey Boutique
Honey Couture Kylie Low Back Bum Ruched Mermaid Evening Gown Dress Sale price$299.95 AUD
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USA SIZE 4 - 14DISCONTINUED FINAL SIZES AVAILABLEERIKA Neon Glitter Shimmer Corset Back Formal Dress in Australia | One Honey BoutiqueERIKA Neon Glitter Shimmer Corset Back Formal Dress in Australia | One Honey Boutique
ERIKA Neon Glitter Shimmer Corset Back Formal Dress Sale price$459.95 AUD
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USA SIZE XS - LCYRUS Bum Scrunch Neon Low Back Mermaid Formal Dress in Australia | One Honey BoutiqueCYRUS Bum Scrunch Neon Low Back Mermaid Formal Dress in Australia | One Honey Boutique
CYRUS Bum Scrunch Neon Low Back Mermaid Formal Dress Sale price$349.95 AUD
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USA SIZE XS - LDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGSold outHoney Couture ALEXA One Shoulder Cut Out Formal Dress in Australia | One Honey BoutiqueHoney Couture ALEXA One Shoulder Cut Out Formal Dress in Australia | One Honey Boutique
Honey Couture ALEXA One Shoulder Cut Out Formal Dress Sale price$429.95 AUD
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USA SIZE XS - XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGHoney Couture AISHA Low Back Mermaid Evening Gown Dress in Australia | One Honey BoutiqueHoney Couture AISHA Low Back Mermaid Evening Gown Dress in Australia | One Honey Boutique
Honey Couture AISHA Low Back Mermaid Evening Gown Dress Sale price$549.95 AUD
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USA SIZE XS - XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGSold outHoney Couture ADRIANNA Sequin One Shoulder Mermaid Formal Dress in Australia | One Honey BoutiqueHoney Couture ADRIANNA Sequin One Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture ADRIANNA Sequin One Shoulder Mermaid Formal Dress Sale priceFrom $469.95 AUD
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USA SIZE XS - XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGSold outHoney Couture ADDISON Strapless Mermaid Evening Dress in Australia | One Honey BoutiqueHoney Couture ADDISON Strapless Mermaid Evening Dress in Australia | One Honey Boutique
Honey Couture ADDISON Strapless Mermaid Evening Dress Sale price$499.95 AUD
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AUS SIZE 6 - 18DISCONTINUED FINAL SIZES AVAILABLEHoney Couture MIA Sequin Open Back Formal Gown in Australia | One Honey BoutiqueHoney Couture MIA Sequin Open Back Formal Gown in Australia | One Honey Boutique
Honey Couture MIA Sequin Open Back Formal Gown Sale price$549.95 AUD
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USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEHoney Couture ALORA Embellished Bustier Corset Satin Mermaid Formal Dress in Australia | One Honey BoutiqueHoney Couture ALORA Embellished Bustier Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture ALORA Embellished Bustier Corset Satin Mermaid Formal Dress Sale priceFrom $599.95 AUD
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USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGCHRISTINA Off Shoulder Glitter Shimmer Formal Dress w Gloves in Australia | One Honey BoutiqueCHRISTINA Off Shoulder Glitter Shimmer Formal Dress w Gloves in Australia | One Honey Boutique
CHRISTINA Off Shoulder Glitter Shimmer Formal Dress w Gloves Sale priceFrom $569.95 AUD
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USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLELIZZO Strapless Velvet Mermaid Formal Dress with Gloves in Australia | One Honey BoutiqueLIZZO Strapless Velvet Mermaid Formal Dress with Gloves in Australia | One Honey Boutique
LIZZO Strapless Velvet Mermaid Formal Dress with Gloves Sale priceFrom $569.95 AUD
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USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEBALENCI - USSY Mermaid Formal Dress w Gloves in Australia | One Honey BoutiqueBALENCI - USSY Mermaid Formal Dress w Gloves in Australia | One Honey Boutique
BALENCI-USSY Mermaid Formal Dress w Gloves Sale priceFrom $569.95 AUD
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USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGDELIA Silky Bustier Corset Mermaid Formal Gown Dress in Australia | One Honey BoutiqueDELIA Silky Bustier Corset Mermaid Formal Gown Dress in Australia | One Honey Boutique
DELIA Silky Bustier Corset Mermaid Formal Gown Dress Sale priceFrom $479.95 AUD
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USA SIZE 2 - 16SUZANA Lace & Tulle Applique Trumpet Mermaid Dress in Australia | One Honey BoutiqueSUZANA Lace & Tulle Applique Trumpet Mermaid Dress in Australia | One Honey Boutique
SUZANA Lace & Tulle Applique Trumpet Mermaid Dress Sale price$929.95 AUD
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USA SIZE 2 - 16RITTA Embellished Bustier Satin Prom & Formal Dress in Australia | One Honey BoutiqueRITTA Embellished Bustier Satin Prom & Formal Dress in Australia | One Honey Boutique
RITTA Embellished Bustier Satin Prom & Formal Dress Sale priceFrom $699.95 AUD
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USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEMISTELLA Shimmer Glitter Low Back Corset Feature Mermaid Formal Gown in Australia | One Honey BoutiqueMISTELLA Shimmer Glitter Low Back Corset Feature Mermaid Formal Gown in Australia | One Honey Boutique
MISTELLA Shimmer Glitter Low Back Corset Feature Mermaid Formal Gown Sale priceFrom $569.95 AUD
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USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLETARA Silky Ruched Bodice Mermaid Formal Gown in Australia | One Honey BoutiqueTARA Silky Ruched Bodice Mermaid Formal Gown in Australia | One Honey Boutique
TARA Silky Ruched Bodice Mermaid Formal Gown Sale priceFrom $549.95 AUD
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USA SIZE 2 - 20DISCONTINUED FINAL SIZES AVAILABLEINDRA Beaded Bustier Corset Ruched Formal Gown Dress in Australia | One Honey BoutiqueINDRA Beaded Bustier Corset Ruched Formal Gown Dress in Australia | One Honey Boutique
INDRA Beaded Bustier Corset Ruched Formal Gown Dress Sale priceFrom $569.95 AUD
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USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEJESIKA Glitter Strapless Mermaid Dress with Gloves in Australia | One Honey BoutiqueJESIKA Glitter Strapless Mermaid Dress with Gloves in Australia | One Honey Boutique
JESIKA Glitter Strapless Mermaid Dress with Gloves Sale priceFrom $569.95 AUD
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USA SIZE XS - LELODIE Silky Lace Up Low Back Semi Formal Dress in Australia | One Honey BoutiqueELODIE Silky Lace Up Low Back Semi Formal Dress in Australia | One Honey Boutique
ELODIE Silky Lace Up Low Back Semi Formal Dress Sale price$429.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 6 - 24Save 50%HARPER Shimmer Glitter Off The Shoulder Corset Formal Gown in Australia | One Honey BoutiqueHARPER Shimmer Glitter Off The Shoulder Corset Formal Gown in Australia | One Honey Boutique
HARPER Shimmer Glitter Off The Shoulder Corset Formal Gown Sale priceFrom $249.98 AUD Regular price$499.95 AUD
Black
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Frequently Asked Questions

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

📲 Try our Virtual Try-On App

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