SUMMER SALE - UP TO 55% OFF
Midnight Sky Maxi
Low in stock — 3 items left, ready to ship
UPDATE: Due to high demand during our Pre Halloween Sale, only 7 units are still available at the current price!
Complete the set
The Midnight Sky Maxi is your sunset-to-moonlight essential—effortlessly elegant with a coastal-cool twist. This lightweight, open-back maxi flows with every step, featuring a breezy silhouette and a soft cream hue perfect for beach escapes and balmy nights.
Why You'll Love It:
Halter Tie-Neckline: Adjustable for your perfect fit, the deep V cut adds a flattering plunge while framing the shoulders.
Open Back Detail: Daring yet refined, with a tie at the lower back for a breezy, skin-baring finish.
Lightweight Fabric: Flows effortlessly in motion—soft, breathable, and perfect for warm weather.
Relaxed Fit: Cinched under the bust with a free-falling skirt that flatters without clinging.
Versatile Cream Tone: A timeless neutral you can dress up with gold jewellery or wear barefoot on the beach.
The Midnight Sky Maxi is made for golden hour strolls, resort dinners, and effortlessly chic moments that turn heads.
Shipping & Returns
- Free Express shipping on AUS orders over $150
- International shipping & duties charges calculated at checkout
- Carbon-Neutral Shipping
- All of our packaging is plastic-free and recyclable. If you have curbside recycling in your area, you should be able to pop all of our packaging in the bin, but you can use How2Recycle to double check!
For more info on shipping, returns, & international orders swing by our FAQs
Free Express Shipping
Free Express Shipping for orders over $150 AUD*
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 - eligible items can be returned within 30 days.
You may also like
The Story Behind the Scenes
our story
Born in Bondi, Sierra Sydney began as a small coastal idea — a brother and sister creating timeless, effortless pieces inspired by the Australian summer. What started with beach photoshoots and local drops has grown into a brand loved nationwide and stocked in beautiful boutiques like Muse Bali.
From Bondi to Bali, our mission remains the same: to design pieces that celebrate confidence, freedom, and effortless femininity.
Muse bingin 📍
Jl. Pantai Bingin, Pecatu 80364, Bali, Indonesia
Muse Pererenan 📍
Jl. Pantai Pererenan No.116, Pererenan, Kec. Mengwi, Kabupaten Badung, Bali 80351, Indonesia
Phenomena Bingin 📍
Jl. Pantai Bingin No.11, Pecatu, Kec. Kuta Sel., Kabupaten Badung, Bali 80361, Indonesia
Or if you can create it a nicer way
Make all the 50% off on the store now 60% off
MORE THAN
5000+ HAPPY CUSTOMERS
We stand for empowering women, boosting their confidence, and helping them shine—no matter their shape or size.
Our customers tell it better than we do!
Excellent
4.7/ 5
Jessica M
“Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!”
Sydney
Emily R
“Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.”
Gold Coast
Chloe T
“So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!”
Sydney
Isabella L
“I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!”
Melbourne
Olivia B
I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly.
Sunshine Coast
Maddie S
“The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!”
Perth
Jessica M
“Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!”
Sydney
Emily R
“Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.”
Gold Coast
Chloe T
“So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!”
Sydney
Isabella L
“I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!”
Melbourne
Olivia B
I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly.
Sunshine Coast
Maddie S
“The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!”
Perth
Jessica M
“Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!”
Sydney
Emily R
“Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.”
Gold Coast
Chloe T
“So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!”
Sydney
Isabella L
“I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!”
Melbourne
Olivia B
I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly.
Sunshine Coast
Maddie S
“The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!”
Perth
Jessica M
“Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!”
Sydney
Emily R
“Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.”
Gold Coast
Chloe T
“So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!”
Sydney
Isabella L
“I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!”
Melbourne
Olivia B
I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly.
Sunshine Coast
Maddie S
“The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!”
Perth
Jessica M
“Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!”
Sydney
Emily R
“Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.”
Gold Coast
Chloe T
“So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!”
Sydney
Isabella L
“I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!”
Melbourne
Olivia B
I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly.
Sunshine Coast
Maddie S
“The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!”
Perth
Jessica M
“Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!” “Sierra Sydney is my new go-to! The fabrics feel so luxurious and everything fits perfectly. I’ve already placed my second order—obsessed!”
Sydney
Emily R
“Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.” “Absolutely stunning pieces! I wore one of their dresses to an event and got compliments all night. The quality and design are next level.”
Gold Coast
Chloe T
“So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!” “So impressed with the fast shipping and gorgeous packaging. You can tell this brand truly cares about the details. Five stars!”
Sydney
Isabella L
“I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!” “I’ve tried so many boutiques and Sierra Sydney is by far the best. The clothes are stylish, flattering, and such amazing quality. Highly recommend!”
Melbourne
Olivia B
I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly. I was initially hesitant to switch from my usual brand to this new one, but I'm so glad I did! This product has exceeded my expectations. It's not only affordable but also incredibly efficient. The quality is top-notch, and it's user-friendly.
Sunshine Coast
Maddie S
“The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!” “The customer service was amazing. They helped me choose the right size and it fits like it was custom made. I’m genuinely blown away by this brand!”
Perth
From the people
From the people
Stacey Lovett, 2025“My package arrived so quickly and the pieces looked even better in person. I’ve already recommended Sierra Sydney to all my friends!”
From the people
Jessica Hevan, 2025“I absolutely love the quality of my Leo Bikini Bottoms.”