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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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USA SIZE 0 - 12NEW ARRIVALCARLYN Applique Sleeveless Tiered Slit Prom & Formal Dress in Australia | One Honey BoutiqueCARLYN Applique Sleeveless Tiered Slit Prom & Formal Dress in Australia | One Honey Boutique
CARLYN Applique Sleeveless Tiered Slit Prom & Formal Dress Sale priceFrom $929.95 AUD
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USA SIZE 0 - 12NEW ARRIVALHALIMA One - Shoulder Beaded Satin Slit Fitted Prom & Pageant Dress in Australia | One Honey BoutiqueHALIMA One - Shoulder Beaded Satin Slit Fitted Prom & Pageant Dress in Australia | One Honey Boutique
HALIMA One-Shoulder Beaded Satin Slit Fitted Prom & Pageant Dress Sale priceFrom $929.95 AUD
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USA SIZE 0 - 14NEW ARRIVALMING Metallic Strapless Beaded Slit Fitted Prom & Formal Dress in Australia | One Honey BoutiqueMING Metallic Strapless Beaded Slit Fitted Prom & Formal Dress in Australia | One Honey Boutique
MING Metallic Strapless Beaded Slit Fitted Prom & Formal Dress Sale priceFrom $659.95 AUD
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USA SIZE 0 - 14NEW ARRIVALARETE Rhinestone Cutout Lace - Up Fitted Prom & Formal Dress in Australia | One Honey BoutiqueARETE Rhinestone Cutout Lace - Up Fitted Prom & Formal Dress in Australia | One Honey Boutique
ARETE Rhinestone Cutout Lace-Up Fitted Prom & Formal Dress Sale priceFrom $859.95 AUD
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USA SIZE 0 - 12NEW ARRIVALEVANDRINA Strapless Corset Stretch Fit & Flare Prom & Formal Dress in Australia | One Honey BoutiqueEVANDRINA Strapless Corset Stretch Fit & Flare Prom & Formal Dress in Australia | One Honey Boutique
EVANDRINA Strapless Corset Stretch Fit & Flare Prom & Formal Dress Sale price$599.95 AUD
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USA SIZE 0 - 12KARINNE V - Neckline Hot Fix Diamante Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueKARINNE Diamante V - Neck Lace - Up Mermaid Bridal & Formal Dress in Australia | One Honey Boutique
KARINNE Diamante V-Neck Lace-Up Mermaid Bridal & Formal Dress Sale price$699.95 AUD
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USA SIZE 0 - 14NEW ARRIVALMADISYN Strapless Print Tiered Ruffle Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueMADISYN Strapless Print Tiered Ruffle Mermaid Prom & Formal Dress in Australia | One Honey Boutique
MADISYN Strapless Print Tiered Ruffle Mermaid Prom & Formal Dress Sale priceFrom $929.95 AUD
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USA SIZE 0 - 14NEW ARRIVALRANDI Cutout Jeweled Sweetheart Satin Fit & Flare Formal Dress in Australia | One Honey BoutiqueRANDI Cutout Jeweled Sweetheart Satin Fit & Flare Formal Dress in Australia | One Honey Boutique
RANDI Cutout Jeweled Sweetheart Satin Fit & Flare Formal Dress Sale priceFrom $699.95 AUD
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USA SIZE 0 - 12NEW ARRIVALLEONOR Beaded Bow Corset Satin Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueLEONOR Beaded Bow Corset Satin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
LEONOR Beaded Bow Corset Satin Mermaid Prom & Formal Dress Sale priceFrom $729.95 AUD
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USA SIZE 0 - 12NEW ARRIVALAMPARO Crystal Cape Choker Sweetheart Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueAMPARO Crystal Cape Choker Sweetheart Mermaid Prom & Formal Dress in Australia | One Honey Boutique
AMPARO Crystal Cape Choker Sweetheart Mermaid Prom & Formal Dress Sale priceFrom $839.95 AUD
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USA SIZE 0 - 12NEW ARRIVALMICHELE Beaded Strapless Satin Jersey Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueMICHELE Beaded Strapless Satin Jersey Mermaid Prom & Formal Dress in Australia | One Honey Boutique
MICHELE Beaded Strapless Satin Jersey Mermaid Prom & Formal Dress Sale priceFrom $729.95 AUD
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USA SIZE 0 - 12NEW ARRIVALJEWELL Beaded Sleeveless Satin Jersey Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueJEWELL Beaded Sleeveless Satin Jersey Mermaid Prom & Formal Dress in Australia | One Honey Boutique
JEWELL Beaded Sleeveless Satin Jersey Mermaid Prom & Formal Dress Sale priceFrom $729.95 AUD
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USA SIZE XXS - 3XLNEW ARRIVALBIANCA Off - White One - Shoulder Stretch Satin Mermaid Affordable Bridal Dress in Australia | One Honey BoutiqueBIANCA Off - White One - Shoulder Stretch Satin Mermaid Affordable Bridal Dress in Australia | One Honey Boutique
BIANCA Off-White One-Shoulder Stretch Satin Mermaid Affordable Bridal Dress Sale price$439.95 AUD
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USA SIZE XXS - 3XLNEW ARRIVALBIANCA One - Shoulder Stretch Satin Mermaid Prom & Semi Formal Dress in Australia | One Honey BoutiqueBIANCA One - Shoulder Stretch Satin Mermaid Prom & Semi Formal Dress in Australia | One Honey Boutique
BIANCA One-Shoulder Stretch Satin Mermaid Prom & Semi Formal Dress Sale price$439.95 AUD
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USA SIZE 0 - 16NEW ARRIVALKARVEL Strapless Beaded Mikado A - Line Prom & School Formal Dress in Australia | One Honey BoutiqueKARVEL Strapless Beaded Mikado A - Line Prom & School Formal Dress in Australia | One Honey Boutique
KARVEL Strapless Beaded Mikado A-Line Prom & School Formal Dress Sale priceFrom $829.95 AUD
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USA SIZE 0 - 16NEW ARRIVALARABELA Strapless Beaded Satin Corset Fitted Prom & School Formal Dress in Australia | One Honey BoutiqueARABELA Strapless Beaded Satin Corset Fitted Prom & School Formal Dress in Australia | One Honey Boutique
ARABELA Strapless Beaded Satin Corset Fitted Prom & School Formal Dress Sale price$729.95 AUD
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USA SIZE 0 - 16NEW ARRIVALRHISHEL Strapless Beaded Glitter Tulle Mermaid Prom & School Formal Dress in Australia | One Honey BoutiqueRHISHEL Strapless Beaded Glitter Tulle Mermaid Prom & School Formal Dress in Australia | One Honey Boutique
RHISHEL Strapless Beaded Glitter Tulle Mermaid Prom & School Formal Dress Sale priceFrom $1,099.95 AUD
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USA SIZE 0 - 16NEW ARRIVALMOULANIA Strapless Beaded Glitter Tulle Mermaid Prom & School Formal Dress in Australia | One Honey BoutiqueMOULANIA Strapless Beaded Glitter Tulle Mermaid Prom & School Formal Dress in Australia | One Honey Boutique
MOULANIA Strapless Beaded Glitter Tulle Mermaid Prom & School Formal Dress Sale priceFrom $1,099.95 AUD
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USA SIZE XXS - 2XLNEW ARRIVALRION Embellished Sheer Corset Satin Mermaid Prom & School Formal Dress in Australia | One Honey BoutiqueRION Embellished Sheer Corset Satin Mermaid Prom & School Formal Dress in Australia | One Honey Boutique
RION Embellished Sheer Corset Satin Mermaid Prom & School Formal Dress Sale price$429.95 AUD
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USA SIZE 0 - 14NEW ARRIVALKELLEY Strapless Beaded Tulle Mermaid Couture Evening Dress in Australia | One Honey BoutiqueKELLEY Strapless Beaded Tulle Mermaid Couture Evening Dress in Australia | One Honey Boutique
KELLEY Strapless Beaded Tulle Mermaid Couture Evening Dress Sale price$1,090.95 AUD
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USA SIZE XXS - 2XLMARVA Strapless Corset Satin Mermaid Prom & School Formal Dress – Fitted Dress in Australia | One Honey Boutique Australia | Prom & Formal DressesMARVA Strapless Corset Satin Mermaid Prom & School Formal Dress – Fitted Dress in Australia | One Honey Boutique Australia | Prom & Formal Dresses
MARVA Strapless Corset Satin Mermaid Prom & School Formal Dress Sale price$399.95 AUD
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USA SIZE 0 - 16NEW ARRIVALDERIK Strapless Beaded Corset Satin Mermaid Evening Prom Dress in Australia | One Honey BoutiqueDERIK Strapless Beaded Corset Satin Mermaid Evening Prom Dress in Australia | One Honey Boutique
DERIK Strapless Beaded Corset Satin Mermaid Evening Prom Dress Sale priceFrom $829.95 AUD
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USA SIZE 00 - 16NEW ARRIVALGRIER Chiffon Corset Mermaid Flare Prom & School Formal Dress in Australia | One Honey BoutiqueGRIER Chiffon Corset Mermaid Flare Prom & School Formal Dress in Australia | One Honey Boutique
GRIER Chiffon Corset Mermaid Flare Prom & School Formal Dress Sale priceFrom $769.95 AUD
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USA SIZE 00 - 16NEW ARRIVALLING Satin V - Neck Corset Bow Detail Mermaid Prom & School Formal Dress in Australia | One Honey BoutiqueLING Satin V - Neck Corset Bow Detail Mermaid Prom & School Formal Dress in Australia | One Honey Boutique
LING Satin V-Neck Corset Bow Detail Mermaid Prom & School Formal Dress Sale priceFrom $729.95 AUD
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USA SIZE 00 - 16NEW ARRIVALSONAM Sequin Embroidered Plunge Cutout Mermaid Prom & School Formal Dress in Australia | One Honey BoutiqueSONAM Sequin Embroidered Plunge Cutout Mermaid Prom & School Formal Dress in Australia | One Honey Boutique
SONAM Sequin Embroidered Plunge Cutout Mermaid Prom & School Formal Dress Sale priceFrom $859.95 AUD
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USA SIZE 00 - 16NEW ARRIVALKELLI Sequin Glitter Corset Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueKELLI Sequin Glitter Corset Mermaid Prom & Formal Dress in Australia | One Honey Boutique
KELLI Sequin Glitter Corset Mermaid Prom & Formal Dress Sale priceFrom $829.95 AUD
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USA SIZE 00 - 16NEW ARRIVALSAMMI Strapless Satin Silver Stone Bustline Mermaid Prom Dress in Australia | One Honey BoutiqueSAMMI Strapless Satin Silver Stone Bustline Mermaid Prom Dress in Australia | One Honey Boutique
SAMMI Strapless Satin Silver Stone Bustline Mermaid Prom Dress Sale priceFrom $829.95 AUD
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AUS SIZES 6 - 24Trellis Lane ANGELA Strapless Draped Mermaid Gown in Australia | One Honey BoutiqueTrellis Lane ANGELA Strapless Draped Mermaid Gown in Australia | One Honey Boutique
Trellis Lane ANGELA Strapless Draped Mermaid Gown Sale price$620.00 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEUSA SIZE 4 - 12NEW ARRIVALSave 30%Honey Couture ISHANI Diamante Crystal Evening Dress in Australia | One Honey BoutiqueHoney Couture ISHANI Diamante Crystal Evening Dress in Australia | One Honey Boutique
Honey Couture ISHANI Diamante Crystal Evening Dress Sale priceFrom $559.96 AUD Regular price$799.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 2XLNEW ARRIVALSave 50%STACY Halter Tie Up Bum Ruching Mermaid Formal Prom Dress in Australia | One Honey BoutiqueSTACY Halter Tie Up Bum Ruching Mermaid Formal Prom Dress in Australia | One Honey Boutique
STACY Halter Tie Up Bum Ruching Mermaid Formal Prom Dress Sale priceFrom $214.98 AUD Regular price$429.95 AUD
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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 ONUSA SIZE XS - LSALEOn saleHoney Couture LIAA Silky One Shoulder Formal Prom Dress in Australia | One Honey BoutiqueHoney Couture LIAA Silky One Shoulder Formal Prom Dress in Australia | One Honey Boutique
Honey Couture LIAA Silky One Shoulder Formal Prom Dress Sale priceFrom $99.00 AUD Regular price$499.95 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 ONUSA SIZE XS - 3XLDISCONTINUEDSave 78%Honey Couture LUREX Sparkle Mermaid Prom Formal Dress in Australia | One Honey BoutiqueHoney Couture LUREX Sparkle Mermaid Prom Formal Dress in Australia | One Honey Boutique
Honey Couture LUREX Sparkle Mermaid Prom Formal Dress Sale priceFrom $99.00 AUD Regular price$459.95 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 - LOn saleHoney Couture SELENA Off Shoulder Satin Prom Formal Dress in Australia | One Honey BoutiqueHoney Couture SELENA Off Shoulder Satin Prom Formal Dress in Australia | One Honey Boutique
Honey Couture SELENA Off Shoulder Satin Prom Formal Dress Sale priceFrom $99.00 AUD Regular price$499.95 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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USA SIZE 2 - 16KENZIE Halterneck Lace Embellished Mermaid Prom Dress in Australia | One Honey BoutiqueKENZIE Halterneck Lace Embellished Mermaid Prom Dress in Australia | One Honey Boutique
KENZIE Halterneck Lace Embellished Mermaid Prom Dress Sale priceFrom $829.95 AUD
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USA SIZE 0 - 16NEW ARRIVALCATRICE Strapless Asymmetrical Corset Bodice Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueCATRICE Strapless Asymmetrical Corset Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
CATRICE Strapless Asymmetrical Corset Bodice Mermaid Prom & Formal Dress Sale priceFrom $739.95 AUD
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USA SIZE 0 - 16LOLITA Sequin Fitted Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueLOLITA Sequin Fitted Mermaid Prom & Formal Dress in Australia | One Honey Boutique
LOLITA Sequin Fitted Mermaid Prom & Formal Dress Sale priceFrom $759.95 AUD
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USA SIZE 0 - 16MARTINA Strapless Crystal Bust Mermaid Prom Formal Dress in Australia | One Honey BoutiqueMARTINA Strapless Crystal Bust Mermaid Prom Formal Dress in Australia | One Honey Boutique
MARTINA Strapless Crystal Bust Mermaid Prom Formal Dress Sale priceFrom $539.95 AUD
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USA SIZE 0 - 18MARISOL Couture Flower One Shoulder Corset Mermaid Prom Dress in Australia | One Honey BoutiqueMARISOL Couture Flower One Shoulder Corset Mermaid Prom Dress in Australia | One Honey Boutique
MARISOL Couture Flower One Shoulder Corset Mermaid Prom Dress Sale priceFrom $839.95 AUD
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USA SIZE 0 - 16VON Strapless Corset Bodice Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueVON Strapless Corset Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
VON Strapless Corset Bodice Mermaid Prom & Formal Dress Sale price$839.95 AUD
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USA SIZE 4 - 18ASTER Couture Off Shoulder Beaded Mermaid Evening Gown in Australia | One Honey BoutiqueASTER Couture Off Shoulder Beaded Mermaid Evening Gown in Australia | One Honey Boutique
ASTER Couture Off Shoulder Beaded Mermaid Evening Gown Sale priceFrom $1,199.95 AUD
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USA SIZE 0 - 18ADRIANA Beaded Bodice Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueADRIANA Beaded Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
ADRIANA Beaded Bodice Mermaid Prom & Formal Dress Sale priceFrom $799.95 AUD
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USA SIZE 2 - 18MINIVA Strapless Couture Corset Bodice Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueMINIVA Strapless Couture Corset Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
MINIVA Strapless Couture Corset Bodice Mermaid Prom & Formal Dress Sale priceFrom $1,199.95 AUD
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USA SIZE 2 - 20BERLIN Strapless Asymmetrical Mermaid Prom & Formal Dress in Australia | One Honey BoutiqueBERLIN Strapless Asymmetrical Mermaid Prom & Formal Dress in Australia | One Honey Boutique
BERLIN Strapless Asymmetrical Mermaid Prom & Formal Dress Sale priceFrom $799.95 AUD
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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 ✨