Great — here are reliable places to buy dresses online in Australia, grouped by type so you can pick what fits your style and budget.

Major multi-brand retailers (big selection, fast shipping)

• THE ICONIC — huge range of brands, good filters (petite/curvy/maternity) and fast AU delivery. (theiconic.com.au)

Australian fast-fashion / trend brands (young, party, everyday)

• Showpo — lots of occasion and casual dresses, AU‑based shipping and returns. (showpo.com)
• Princess Polly — trend-driven styles, frequently runs promotions and student discounts. (princesspolly.com.au)

Department stores / higher-end labels (designer and occasionwear)

• David Jones — department-store selection with Australian designers and formalwear options. (davidjones.com)
• Myer (also good for a broad range of brands) — (you’ll find occasion and everyday dresses here too).

Budget and high-street options

• Cotton On, Kmart Australia, Target Australia, Zara Australia, H&M — good for inexpensive and fast-fashion dresses (search their AU sites).

Secondhand / resale (sustainable or designer bargains)

• Depop (AU) and local resale marketplaces let you buy preloved, vintage or designer dresses. (depop.com)
• Also check Hardly Ever Worn It, eBay Australia, Gumtree, Facebook Marketplace for local secondhand finds.

Tips to shop smarter

• Check size guides and customer reviews — AU sizing can differ by brand.
• Look at shipping & return policies (free returns are common at big retailers).
• If you need an outfit fast, filter for “express shipping” or “in stock in Australia.”
• For weddings/formalwear, browse department stores or dedicated occasion brands (Shona Joy, Aje, Acler, etc.).

If you tell me your budget, size, occasion (everyday / work / wedding / formal / party) or preferred style, I can suggest specific dresses or filter these stores to a few exact picks.