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Cobalt Blue Prom Dresses Australia | One Honey Boutique

Cobalt Blue Formal Dresses Australia — If you’re ready to make a bold, unforgettable entrance, our collection of cobalt blue formal gowns delivers all the drama and shine. At One Honey Boutique, we offer a premium selection of cobalt prom and formal dresses in sizes 2–26, available in luxe fabrics like satin, glitter knit, and tulle.

These electric blue gowns feature corset bodices, lace-up backs, high slits, and curve-enhancing mermaid silhouettes — perfect for Year 12 formals, school balls, and red carpet events.

Shop online with AfterPay, ZipPay, and LayBuy, or visit our Gold Coast showroom for a private fitting. Can’t visit? Use our Virtual Try-On Tool and get it shipped express Australia-wide.

Need more shades of blue?
Blue Formal Dresses
Royal Blue Gowns
Navy Blue Dresses

✔️ Sizes 2–26
✔️ Statement-making electric tones
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💃 School Formal Dresses Brisbane | TikTok Famous Gowns

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✨ Find The One With Help From Our Expert Stylists at One Honey

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USA SIZE 00 - 16RYKA sheer lace corset satin mermaid prom dress with beaded bodice and thigh-high slit, evening gown, Brisbane to Gold CoastRYKA Sheer Lace Corset Satin Mermaid Prom Dress with beaded applique bodice by the beach. Brisbane to Gold Coast.
RYKA Sheer Lace Corset Satin Mermaid Prom & Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 0 - 18OLENA green lace bodice prom dress, satin shimmer skirt with thigh slit, worn by model. Brisbane to Gold Coast, Australia.Red satin prom dress with lace bodice and thigh-high slit, evening gown worn by model, elegant attire suitable for formal events.
OLENA Strapless Lace Bustier Corset Shimmer Glitter Fitted Prom Dress Sale priceFrom $659.95 AUD
Color
USA SIZE 0 - 18DARYNA Crystal Bustier satin prom dress with sweetheart neckline and embellished bodice. Evening gown. Brisbane to Gold Coast, Australia.DARYNA crystal bustier satin prom gown with sweetheart neckline, side slit, Brisbane to Gold Coast Australia.
DARYNA Crystal Bustier Corset Satin Fitted Prom & Formal Dress Sale priceFrom $659.95 AUD
Color
USA SIZE XS - 3XLMADE TO ORDERONLINE EXCLUSIVEARACELY Off Shoulder Corset Beaded quinceañera dress with floral tulle skirt. Stunning lavender ball gown. Brisbane to Gold Coast.ARACELY off-shoulder lavender quinceañera gown with beaded details and voluminous tulle skirt. Brisbane to Gold Coast, Australia.
ARACELY Off Shoulder Corset Beaded Quinceañera Ball Gown Dress Sale price$1,459.95 AUD
Color
USA SIZE XS - MMAEVE Low Back Lace Up Bum Scrunch prom dress with minimalist square neckline and thin straps, Brisbane to Gold Coast.MAEVE Low Back Lace Up Bum Scrunch Prom Dress with square neckline, thin straps, in sky blue. Ideal for formal occasions. Brisbane to Gold Coast.
MAEVE Low Back Lace Up Bum Scrunch Prom & Formal Dress Sale price$399.95 AUD
Color
USA SIZE 0 - 16VISIT OUR GOLD COAST STORE TO TRY ONDENNISA Strapless Beaded Bustier Satin Prom Dress with shimmering bustier and elegant satin slit. Perfect for Brisbane to Gold Coast.DENNISA Strapless satin prom dress with beaded bustier and side slit, perfect for formal events. Brisbane to Gold Coast.
DENNISA Strapless Beaded Bustier Satin Fitted Prom & Formal Dress Sale priceFrom $829.95 AUD
Color
USA SIZE 0 - 14MEISHA Strapless Rhinestone Bustier Mermaid Prom Dress with satin slit, Brisbane to Gold Coast, Australia.MEISHA strapless rhinestone bustier prom gown with satin slit, in vibrant red. Glamorous evening wear from Brisbane to Gold Coast, Australia.
MEISHA Strapless Rhinestone Bustier Mermaid Prom & Formal Dress Sale priceFrom $469.95 AUD
Color
USA SIZE 0 - 18AUBRIELLE Off Shoulder Boned Corset Fitted Evening Gown with sweetheart neckline, crystal beading, Brisbane to Gold Coast, Australia.AUBRIELLE Off Shoulder Boned Corset Fitted Prom Dress with lace-up back, vibrant red color, prom gown. Brisbane to Gold Coast.
AUBRIELLE Off Shoulder Boned Corset Fitted Prom & Formal Dress Sale priceFrom $529.95 AUD
Color
CURVE SIZEUSA SIZE 18 - 24ZORA Curve red mermaid prom gown with halter sweetheart neckline and leg slit, ideal for special occasions. Brisbane to Gold CoastZORA Stretch Satin Mermaid Dress with Halterneck and Sweetheart Neckline for Prom, Brisbane to Gold Coast, Australia.
ZORA Curve Halterneck Stretch Satin Mermaid Prom & Formal Dress Sale price$499.95 AUD
Color
CURVE SIZEUSA SIZE 18 - 24VISIT OUR GOLD COAST STORE TO TRY ONKAILA Curve Off Shoulder Bridesmaid Dress with sweetheart neckline and chic leg slit, Brisbane to Gold Coast, Australia.KAILA off-shoulder silky bridesmaid dress with sweetheart neckline and pleated waist. Semi formal gown. Brisbane to Gold Coast.
KAILA Curve Off Shoulder Silky Bridesmaid Semi Formal Dress Sale price$679.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 0 - 18ALANI Embellished lace bodice mermaid prom dress with satin skirt, ideal for formal events. Brisbane to Gold Coast.ALANI Embellished lace bodice fitted mermaid prom dress with satin skirt, Brisbane to Gold Coast, Australia.
ALANI Embellished Lace Bodice Fitted Mermaid Prom & Formal Dress Sale priceFrom $829.95 AUD
Color
USA SIZE 0 - 18RAELYNN lace applique bodice mermaid prom dress with sweetheart neckline and sheer bodice, Brisbane to Gold CoastRAELYNN lace applique blue mermaid prom gown with strappy back, Brisbane to Gold Coast
RAELYNN Lace Applique Bodice Mermaid Prom & Formal Dress Sale priceFrom $759.95 AUD
Color
USA SIZE 00 - 16JOËLLE Stretch Satin Fitted Ruched Mermaid Prom Dress with spaghetti straps, sleek silhouette in a formal setting. Brisbane to Gold Coast.JOËLLE Stretch Satin Fitted Ruched Mermaid Dress with spaghetti straps and subtle slit, elegant prom gown. Brisbane to Gold Coast.
JOËLLE Stretch Satin Fitted Ruched Mermaid Prom & Formal Dress Sale priceFrom $549.95 AUD
Color
USA SIZE XS - 3XLAZIA Glitter & Lace Mesh Feature Mermaid Prom & Formal DressAZIA Glitter & Lace Mesh Feature Mermaid Prom & Formal Dress
AZIA Glitter & Lace Mesh Feature Mermaid Prom & Formal Dress Sale price$599.95 AUD
Color
USA SIZE XS - 2XLKACEY Lace Applique Bustier Mermaid Prom & Formal DressKACEY Lace Applique Bustier Mermaid Prom & Formal Dress
KACEY Lace Applique Bustier Mermaid Prom & Formal Dress Sale price$679.95 AUD
Color
USA SIZE XS - 2XLMARLI Strapless Diamante Corset Top Mermaid Prom & Formal DressMARLI Strapless Diamante Corset Top Mermaid Prom & Formal Dress
MARLI Strapless Diamante Corset Top Mermaid Prom & Formal Dress Sale price$679.95 AUD
Color
USA SIZE 0 - 18LAZIA fitted blue satin and lace bustier mermaid prom gown with sweetheart neckline and leg slit, Brisbane to Gold Coast.LAZIA Satin & Lace Mermaid Gown with Sweetheart Neckline and Leg Slit, Prom Dress Brisbane to Gold Coast Australia
LAZIA Fitted Satin & Lace Bustier Mermaid Prom & Formal Dress Sale priceFrom $659.95 AUD
Color
USA SIZE 2 - 20MHAIRI Sequin Off Shoulder Tulle Sequin Evening GownMHAIRI Sequin Off Shoulder Tulle Sequin Evening Gown
MHAIRI Sequin Off Shoulder Tulle Sequin Evening Gown Sale priceFrom $869.95 AUD
Color
USA SIZE 0 - 16FELICIA stretch satin prom gown with sweetheart neckline and sheer side cutouts. Elegant and sparkling from Brisbane to Gold Coast.FELICIA red prom gown with sweetheart neckline and hot fix stones, featuring sheer side cutouts. Perfect for evenings from Brisbane to Gold Coast.
FELICIA Hot Fix Diamante Fitted Stretch Satin Prom & Formal Gown Sale priceFrom $659.95 AUD
Color
USA SIZE 2 - 18RESTORA Couture beaded diamante overskirt evening gown with intricate beading and layered tulle, perfect for prom, Brisbane to Gold Coast.RESTORA beaded diamante overskirt prom evening gown with tulle layers. Perfect for a night of elegance. Brisbane to Gold Coast.
RESTORA Couture Beaded Diamante Overskirt Formal Prom Evening Dress Sale priceFrom $1,150.00 AUD
Color
USA SIZE 2 - 20TWYLA Strapless Silky Mermaid Formal Dress with Gloves featuring a ruched bodice and side sash, evening gown. Brisbane to Gold Coast.TWYLA Strapless Silky Mermaid Formal Dress with ruched bodice and side sash, perfect evening gown, Brisbane to Gold Coast.
TWYLA Strapless Silky Mermaid Formal Dress with Gloves Sale priceFrom $569.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 10%Blue satin backless evening gown with lace-up design, perfect for formal events. Elegant glamour from Brisbane to Gold Coast, Australia.RENA Satin Diamanté Dress with pleated neckline and beaded leg slit, perfect evening gown. Brisbane to Gold Coast, Australia.
RENA Satin Diamanté Leg Split Mermaid Formal Dress Sale priceFrom $593.95 AUD Regular price$659.95 AUD
Color
IN STOCKDISCONTINUEDSold outOn saleMADAM strapless satin beaded corset evening gown with thigh-high slit, perfect for special occasions from Brisbane to Gold Coast.MADAM blue strapless satin beaded corset evening gown with ruched hipline. Perfect for formal events. Brisbane to Gold Coast.
MADAM Strapless Satin Beaded Detail Corset Bustier Formal Dress Sale priceFrom $527.96 AUD Regular price$659.95 AUD
Color
IN STOCKDISCONTINUEDMONROE Sequin Waist Cut Out Mermaid Formal Dress featuring a glittering sequined bodice and side cutouts, perfect for evening events. Brisbane to Gold Coast.MONROE Sequin Cut Out Mermaid Dress with side slit, formal evening gown. Brisbane to Gold Coast, Australia.
MONROE Sequin Waist Cut Out Mermaid Formal Dress Sale price$459.95 AUD
Color
IN STOCKDISCONTINUEDELANA Diamante Bustier Lace Up Mermaid Formal DressELANA Diamante Bustier Lace Up Mermaid Formal Dress
ELANA Diamante Bustier Lace Up Mermaid Formal Dress Sale price$599.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 2 - 16DRAMAH Royal Blue Glitter Sequin Feather Corset Mermaid Formal Gown with off-shoulder neckline, evening gown. Brisbane to Gold Coast.DRAMAH Royal Blue Glitter Sequin Feather Corset, off-shoulder mermaid formal gown, Brisbane to Gold Coast.
DRAMAH Royal Blue Glitter Sequin Feather Corset Mermaid Formal Gown Dress Sale price$859.95 AUD
Color
USA SIZE 0 - 18SOLANA Crystal Hot Fix Diamanté blue mermaid gown with illusion neckline and shimmering embellishments, evening dress, Brisbane to Gold Coast.Size chart displaying bust, waist, and hip measurements for sizes 2 to 24 in a fashion guide.
SOLANA Crystal Hot Fix Diamanté Fitted Mermaid Formal Dress Sale priceFrom $859.95 AUD
Color
USA SIZE 0 - 14BODI Strapless Lace Applique Fitted Prom & Formal DressBODI Strapless Lace Applique Fitted Prom & Formal Dress
BODI Strapless Lace Applique Fitted Prom & Formal Dress Sale priceFrom $559.95 AUD
Color
USA SIZE 0 - 16RIA Silky Mirror Tiles corset satin evening gown with crystal slit detail; elegant formalwear, Brisbane to Gold Coast, Australia.RIA Silky Mirror Tiles satin mermaid gown with crystal neckline and slit, perfect for formal occasions. Brisbane to Gold Coast, Australia.
RIA Silky Mirror Tiles Corset Satin Mermaid Formal Dress Sale priceFrom $549.95 AUD
Color
USA SIZE 2 - 16JEAN Lace & Glitter Fishtail Trumpet Formal Dress with lace bodice and satin skirt, evening gown Brisbane to Gold Coast AustraliaJEAN glitter and lace mermaid gown with a flattering fit and flare silhouette, perfect for evening events, Brisbane to Gold Coast.
JEAN Lace & Glitter Fishtail Trumpet Formal Dress Sale priceFrom $859.95 AUD
Color
USA SIZE 00 - 14LOVISA Strapless Sequin Satin Prom Dress with Glittering Corset and High Slit, perfect for Brisbane to Gold Coast formal events.LOVISA Strapless Sequin Corset Satin Mermaid Dress with shimmering silver stones, perfect prom gown, Brisbane to Gold Coast, Australia.
LOVISA Strapless Sequin Corset Satin Mermaid Prom & Formal Dress Sale priceFrom $895.95 AUD
Color
USA SIZE 00 - 16HULDA Mesh Corset Bustier with a satin slit, perfect for a prom gown. Chic and sultry look from Brisbane to Gold Coast, Australia.HULDA Mesh Corset Bustier Satin Mermaid Prom Dress with spaghetti straps and high slit. Perfect for formal events, Brisbane to Gold Coast.
HULDA Mesh Corset Bustier Satin Mermaid Prom & Formal Dress Sale priceFrom $459.95 AUD
Color
USA SIZE 00 - 16LEA Satin Beaded Applique Mermaid Dress with slit, perfect for prom, shown on beach from Brisbane to Gold Coast, Australia.LEA Satin Beaded Applique fitted mermaid prom dress with intricate lace-up back and figure-hugging design. Brisbane to Gold Coast.
LEA Satin Beaded Applique Fitted Mermaid Prom & Formal Dress Sale priceFrom $579.95 AUD
Color
USA SIZE 00 - 16AZUI Strapless Beaded Corset Glitter Mermaid Prom Dress with small train on beach. Perfect for formal events. Brisbane to Gold Coast.AZUI Strapless Beaded Corset Mermaid Prom Dress with Glitter Fabric, Small Train. Ideal for Brisbane to Gold Coast, Australia.
AZUI Strapless Beaded Corset Glitter Mermaid Prom & Formal Dress Sale priceFrom $699.95 AUD
Color
USA SIZE 00 - 14DANIKA Sweetheart Beaded Bustier Mermaid Dress with a thigh-high slit, perfect for formal events. Brisbane to Gold Coast.DANIKA Sweetheart Beaded Bustier Mermaid Dress with satin slit, perfect prom gown. Brisbane to Gold Coast, Australia.
DANIKA Sweetheart Beaded Bustier Mermaid Prom & Formal Dress Sale priceFrom $729.95 AUD
Color
USA SIZE 00 - 16ELI V Front Applique Sequin Boned Mermaid Dress with plunging V-neckline and satin fabric, perfect for prom events in Brisbane to Gold Coast.Yellow satin evening gown with crystal embellished bust and thigh-high slit on the beach. Stylish prom dress from Brisbane to Gold Coast.
ELI V Front Applique Sequin Boned Mermaid Prom Dress Sale priceFrom $629.95 AUD
Color
USA SIZE 00 - 16JULIET Sweetheart mermaid prom dress with lace applique and boned strapless design. Perfect formal gown from Brisbane to Gold Coast.JULIET Sweetheart lace applique strapless mermaid prom dress with a stunning sweetheart neckline and satin skirt, Brisbane to Gold Coast.
JULIET Sweetheart Lace Applique Boned Strapless Mermaid Prom Dress Sale priceFrom $629.95 AUD
Color
USA SIZE 00 - 16PIKA Beaded Corset Mermaid Prom Gown with Spaghetti Straps and Lace-Up V-Back, Brisbane to Gold Coast, Australia.PIKA Beaded Boned Corset Prom Gown with Lace-Up Back, Brisbane to Gold Coast Australia
PIKA Beaded Boned Applique Corset Mermaid Prom & Formal Dress Sale priceFrom $629.95 AUD
Color
USA SIZE 00 - 16TEJA Beaded Satin Corset Mermaid Prom Dress with intricate embellishments and sleek silhouette. Brisbane to Gold Coast.TEJA Beaded Satin Corset Mermaid Dress, featuring a glittering red embellishment and thigh-high slit, prom gown from Brisbane to Gold Coast.
TEJA Beaded Satin Corset Mermaid Prom & Formal Dress Sale priceFrom $659.95 AUD
Color
USA SIZE 2 - 18CHASKA elegant strapless mermaid formal dress with crystal embellishments, featuring a sleek silhouette. Perfect for Brisbane to Gold Coast.CHASKA embellished crystal mermaid formal dress with strapless neckline and rhinestone details, perfect for evening glam. Brisbane to Gold Coast.
CHASKA Embellished Crystal Feature Mermaid Formal Dress Sale priceFrom $969.95 AUD
Color
USA SIZE 4 - 16LARISA sparkling off-shoulder blue evening gown with pleated sweetheart neckline, Brisbane to Gold Coast, AustraliaLARISA Off Shoulder Glitter Satin Prom Dress with Sweetheart Neckline, Fitted Silhouette. Brisbane to Gold Coast, Australia.
LARISA Off Shoulder Glitter Shimmer Prom & Formal Dress Sale price$499.95 AUD
Color
USA SIZE 00 - 16ZLATA Thin Strap Embroidered Prom Gown with Lace Bodice and Satin Skirt, Perfect for Formal Events, Brisbane to Gold Coast, AustraliaZLATA thin strap embroidered formal dress with lace bodice and high slit, perfect prom gown, Brisbane to Gold Coast, Australia
ZLATA Thin Strap Embroidered Applique A-Line Prom & Formal Dress Sale price$759.95 AUD
Color
VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 0 - 18NAJASTA red bustier mermaid prom dress with lace appliqué and fitted silhouette. Perfect for formal events. Brisbane to Gold Coast.NAJASTA Fitted Satin & Lace Appliqué Bustier Mermaid Dress with a V-neckline, perfect for prom or formal occasions, Brisbane to Gold Coast.
NAJASTA Fitted Satin & Lace Appliqué Bustier Mermaid Prom & Formal Dress Sale priceFrom $799.95 AUD
Color
USA SIZE 0 - 18VISIT OUR GOLD COAST STORE TO TRY ONDANKA Strapless satin bustier gown with leg slit, perfect prom gown for making an entrance. Brisbane to Gold Coast.DANKA black satin strapless bustier prom gown with sweetheart neckline and full skirt. Elegant evening dress Brisbane to Gold Coast.
DANKA Strapless Satin Bustier Prom & Formal Ball Gown Sale price$729.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 30%Honey Couture MAI Diamante Feature Mermaid Formal DressHoney Couture MAI Diamante Feature Mermaid Formal Dress
Honey Couture MAI Diamante Feature Mermaid Formal Dress Sale priceFrom $419.95 AUD Regular price$599.95 AUD
Color
USA SIZE 0 - 12TERESE Bustier Style Glitter Prom & Formal Ball GownTERESE Bustier Style Glitter Prom & Formal Ball Gown
TERESE Bustier Style Glitter Prom & Formal Ball Gown Sale price$629.95 AUD
Color
USA SIZE 00 - 16VISIT OUR GOLD COAST STORE TO TRY ONKYRA Strapless Corset Back Bum Scrunch Prom & Formal DressKYRA Strapless Corset Back Bum Scrunch Prom & Formal Dress
KYRA Strapless Corset Back Bum Scrunch Prom & Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 00 - 16JASMINE Strapless blue prom dress with ruching and mermaid silhouette, perfect for formal events. Brisbane to Gold Coast, Australia.JASMINE strapless red prom dress with sweetheart neckline and side slit, perfect formal gown from Brisbane to Gold Coast, Australia.
JASMINE Strapless Corset Back Bum Scrunch Mermaid Prom & Formal Dress Sale priceFrom $599.95 AUD
Color

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Cobalt Blue 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.

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