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4.7 / 5.0 based on 9465+ reviews

Petunia - Maxi Dress

Name: Petunia - Maxi Dress
Brand: Sienna Bay Boutique
Price: 179.95 AUD
Availability: InStock

$600.00

$179.95

Save 70% Today

Color:

Black

Variant

Fit

smaller

normal

larger

Almost sold out

14-day return policy

Shipped on

Free Shipping

The Petunia Maxi Dress is a striking statement piece that blends minimalist elegance with whimsical charm. Crafted in a sleek black fabric, this full-length dress features delicate spaghetti straps and a fluid silhouette that drapes effortlessly over the body. Its standout detail is the cascading arrangement of oversized 3D floral appliqués in soft pastel shades of lavender, blush, ivory, and butter yellow—each bloom adding texture, movement, and a touch of romance. Perfect for garden soirées or artistic evening events, the Petunia Maxi Dress captures the essence of modern femininity with a bold, botanical twist.

COMBINE AND GET 20% EXTRA OFF

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PRE-BLACK FRIDAY ACCESS

Before the rush begins, secure your style—this is your exclusive opportunity to shop the pieces you've been dreaming of at our best prices of the season.

Enjoy up to 70% OFF everything, plus tiered discounts for even greater savings:

BUY 2 = 20% EXTRA OFF

BUY 3 = 25% EXTRA OFF

BUY 4+ = 30% EXTRA OFF

Shop now and beat the crowds—this special preview won't last!

★★★★★

I’ve tried so many stores that claim to understand women like me, but they always miss the mark. Sienna Bay Boutique is different. Every piece feels thoughtfully made, and I finally feel seen.

Margaret
Sydney

★★★★★

I can never guess my size with other stores. With Sienna Bay Boutique, it was consistent and true to size. What a relief to not have to send anything back.

Diane
Melbourne

★★★★★

Sienna Bay Boutique has become my go-to for sophisticated, timeless pieces. Every item feels carefully curated and the quality is exceptional. The staff are always warm and helpful.

Julie
Perth

★★★★★

I always struggle to find clothes that actually fit my shape, so I didn’t expect much. But Sienna Bay Boutique truly surprised me. Their pieces feel like they’re made for real women. Everything fits so well without clinging or pulling.

Linda
Adelaide

★★★★★

Online shopping used to stress me out with bad sizing and returns. Sienna Bay Boutique got my order right the first time. It fit perfectly and looked even better than I hoped.

Susan
Brisbane

★★★★★

Most clothes irritate my skin or feel stiff. The fabric from Sienna Bay Boutique was soft and gentle, and I wore the top all day without discomfort. That never happens.

Sophie
Melbourne

★★★★★

So many brands seem to forget that women my age still care about style. Sienna Bay Boutique feels like it was made with me in mind. The fit, the cuts, the feel—it all just works.

Jennifer
Byron Bay

FAQ

Is shipping free?

We ship Australia-wide with trusted local carriers. Enjoy free standard shipping on all orders

How long does shipping take?

The delivery time consists of two parts:

Processing time: 1-3 business days

Delivery time: 6-10 days

Once your order has been dispatched, you will receive an email with a tracking link so you can track your package. If you have any questions about your shipment, please contact our team.

Not satisfied with your order?

We make promises, but you can't really know until you try it for yourself. That's why we offer a 14-day money-back guarantee on all orders. If you're not completely satisfied, you can return your item anytime for a full refund!

Do I have to pay customs duties?

No, there are no customs fees for orders shipped within Australia. Customs fees don’t apply to domestic deliveries.

Free shipping throughout Australia

Enjoy free shipping across Australia, today only! Find something you love and we’ll cover the shipping. Every order ships free, straight to your door.

100% satisfaction guarantee

At Sienna Bay Boutique you can shop with peace of mind thanks to our 14 day money back return guarantee

24/7 CUSTOMER SERVICE

If you have any questions, feedback, or concerns about your order, don't worry! Our customer service team is here to assist you.

Free shipping throughout Australia

Enjoy free shipping across Australia, today only! Find something you love and we’ll cover the shipping. Every order ships free, straight to your door.

100% satisfaction guarantee

At Sienna Bay Boutique you can shop with peace of mind thanks to our 14 day money back return guarantee

24/7 CUSTOMER SERVICE

If you have any questions, feedback, or concerns about your order, don't worry! Our customer service team is here to assist you.