Wear now, pay later
Or, 4 payments of $14.99 with
Introducing our Seashell Muse Halter Mini Dress
A statement mini designed to evoke sun-faded tiles, salt-kissed skin, and the quiet glamour of coastal escapes. Seashell Muse is cut to contour the body, blending soft fluidity with a confident, sculpted silhouette.
The plunging halter neckline draws the eye, anchored by a statement shell detail that feels both nostalgic and modern. Gentle gathers through the skirt enhance shape, while the open back balances allure with ease. Playful yet polished — this is summer dressing with intention.
Made for poolside afternoons, balmy nights, and destinations where everything feels a little warmer.
Features
Sierra Sydney Exclusive
Halter-style mini dress
Plunging neckline with statement shell detail
Soft, lightweight fabrication
Body-contouring fit with gentle ruching
Open back design
Mini length
Fully lined for comfort
Designed exclusively in Australia
We aim to process all orders placed before 23:00 on the same day. However, during busy periods, please allow 1–2 business days for your order to be processed.
Shipping Times
Aus Standard 4 - 8 business days
Aus Express 3 - 5 business days ( Free Over $100)
US Standard 4 - 9 business days
US Express 3 - 5 business days ( Free Over $100)
Free Express Shipping
Free Express Shipping Aus Wide
Free Express Shipping US Wide
Duties & Taxes
All Duties and Taxes are calculated and paid at checkout
30 day returns
We hope you love your new purchase! If it’s not quite right, don’t worry - items can be returned within 30 days.
Breathable fabrics made for warm days.
A comfortable fit that moves with you.
Made for work, holidays and everything in between.
Quality that holds its shape.
NEW DROP
Slip dresses, crochet sets and barely-there resortwear, curated across Bondi and built for the boat, the beach and the bar. Effortless to throw on, elevated enough to be the reason she's remembered.
Testimonials
From the fit to the finish, discover why Sierra Sydney pieces have become an everyday essential.
March 01, 2026
I bought this expecting it to be good for the price, it is actually one of my favorite outfits The detailing is insane up close. Photos do not even do it justice.
Elisa S.
March 10, 2026
I have owned a few higher end dresses and this honestly shocked me. The weight, the finish, the way it sits on my body, it feels expensive.I actually never to take off.
Amelie R.
Feb 28, 2026
The adjustability is next level. You can get that exact fit where it is snug but still comfortable all day. I also reached out before buying and they answered everything properly, not some copy paste reply.
Shauni De Vos
March 03, 2026
No joke, first time I wore it out, someone asked if it was Dior. The weight, the shine, the way it sits... it does not feel like a cheap alternative at all. It just feels expensive.
Brooke D.
Jan 13, 2026
Wore it to multiple events, so my comments on my fit omggg
Noor V.
Jan 22, 2026
I wore this to dinner and my friend literally grabbed my body to look closer. She thought it was a designer until I told her otherwise. Insane value for what you pay.
Sofia L.
Your Cart Is Empty
LET'S GO SHOPPING